diff options
Diffstat (limited to 'drivers')
106 files changed, 1082 insertions, 1739 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index f688c214be0..b4f5e854282 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -283,34 +283,22 @@ config ACPI_TOSHIBA If you have a legacy free Toshiba laptop (such as the Libretto L1 series), say Y. -config ACPI_CUSTOM_DSDT - bool "Include Custom DSDT" +config ACPI_CUSTOM_DSDT_FILE + string "Custom DSDT Table file to include" + default "" depends on !STANDALONE - default n help This option supports a custom DSDT by linking it into the kernel. See Documentation/acpi/dsdt-override.txt - If unsure, say N. - -config ACPI_CUSTOM_DSDT_FILE - string "Custom DSDT Table file to include" - depends on ACPI_CUSTOM_DSDT - default "" - help Enter the full path name to the file which includes the AmlCode declaration. -config ACPI_CUSTOM_DSDT_INITRD - bool "Read Custom DSDT from initramfs" - depends on BLK_DEV_INITRD - default n - help - This option supports a custom DSDT by optionally loading it from initrd. - See Documentation/acpi/dsdt-override.txt + If unsure, don't enter a file name. - If you are not using this feature now, but may use it later, - it is safe to say Y here. +config ACPI_CUSTOM_DSDT + bool + default ACPI_CUSTOM_DSDT_FILE != "" config ACPI_BLACKLIST_YEAR int "Disable ACPI for systems before Jan 1st this year" if X86_32 diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index ce3c0a2cbac..5b6760e0f95 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -776,7 +776,7 @@ static int __init acpi_init(void) acpi_kobj = kobject_create_and_add("acpi", firmware_kobj); if (!acpi_kobj) { - printk(KERN_WARNING "%s: kset create error\n", __FUNCTION__); + printk(KERN_WARNING "%s: kset create error\n", __func__); acpi_kobj = NULL; } diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 24a7865a57c..6c5da83cdb6 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -449,6 +449,7 @@ static int acpi_button_add(struct acpi_device *device) input->phys = button->phys; input->id.bustype = BUS_HOST; input->id.product = button->type; + input->dev.parent = &device->dev; switch (button->type) { case ACPI_BUTTON_TYPE_POWER: diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index caf873c14bf..e7e197e3a4f 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -129,6 +129,7 @@ static struct acpi_ec { struct mutex lock; wait_queue_head_t wait; struct list_head list; + atomic_t irq_count; u8 handlers_installed; } *boot_ec, *first_ec; @@ -181,6 +182,8 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll) { int ret = 0; + atomic_set(&ec->irq_count, 0); + if (unlikely(event == ACPI_EC_EVENT_OBF_1 && test_bit(EC_FLAGS_NO_OBF1_GPE, &ec->flags))) force_poll = 1; @@ -227,6 +230,7 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll) while (time_before(jiffies, delay)) { if (acpi_ec_check_status(ec, event)) goto end; + msleep(5); } } pr_err(PREFIX "acpi_ec_wait timeout," @@ -529,6 +533,13 @@ static u32 acpi_ec_gpe_handler(void *data) struct acpi_ec *ec = data; pr_debug(PREFIX "~~~> interrupt\n"); + atomic_inc(&ec->irq_count); + if (atomic_read(&ec->irq_count) > 5) { + pr_err(PREFIX "GPE storm detected, disabling EC GPE\n"); + acpi_disable_gpe(NULL, ec->gpe, ACPI_ISR); + clear_bit(EC_FLAGS_GPE_MODE, &ec->flags); + return ACPI_INTERRUPT_HANDLED; + } clear_bit(EC_FLAGS_WAIT_GPE, &ec->flags); if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags)) wake_up(&ec->wait); @@ -943,11 +954,7 @@ int __init acpi_ec_ecdt_probe(void) boot_ec->command_addr = ecdt_ptr->control.address; boot_ec->data_addr = ecdt_ptr->data.address; boot_ec->gpe = ecdt_ptr->gpe; - if (ACPI_FAILURE(acpi_get_handle(NULL, ecdt_ptr->id, - &boot_ec->handle))) { - pr_info("Failed to locate handle for boot EC\n"); - boot_ec->handle = ACPI_ROOT_OBJECT; - } + boot_ec->handle = ACPI_ROOT_OBJECT; } else { /* This workaround is needed only on some broken machines, * which require early EC, but fail to provide ECDT */ diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 8edba7b678e..a697fb6cf05 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -91,10 +91,6 @@ static DEFINE_SPINLOCK(acpi_res_lock); #define OSI_STRING_LENGTH_MAX 64 /* arbitrary */ static char osi_additional_string[OSI_STRING_LENGTH_MAX]; -#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD -static int acpi_no_initrd_override; -#endif - /* * "Ode to _OSI(Linux)" * @@ -324,67 +320,6 @@ acpi_os_predefined_override(const struct acpi_predefined_names *init_val, return AE_OK; } -#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD -static struct acpi_table_header *acpi_find_dsdt_initrd(void) -{ - struct file *firmware_file; - mm_segment_t oldfs; - unsigned long len, len2; - struct acpi_table_header *dsdt_buffer, *ret = NULL; - struct kstat stat; - char *ramfs_dsdt_name = "/DSDT.aml"; - - printk(KERN_INFO PREFIX "Checking initramfs for custom DSDT\n"); - - /* - * Never do this at home, only the user-space is allowed to open a file. - * The clean way would be to use the firmware loader. - * But this code must be run before there is any userspace available. - * A static/init firmware infrastructure doesn't exist yet... - */ - if (vfs_stat(ramfs_dsdt_name, &stat) < 0) - return ret; - - len = stat.size; - /* check especially against empty files */ - if (len <= 4) { - printk(KERN_ERR PREFIX "Failed: DSDT only %lu bytes.\n", len); - return ret; - } - - firmware_file = filp_open(ramfs_dsdt_name, O_RDONLY, 0); - if (IS_ERR(firmware_file)) { - printk(KERN_ERR PREFIX "Failed to open %s.\n", ramfs_dsdt_name); - return ret; - } - - dsdt_buffer = kmalloc(len, GFP_ATOMIC); - if (!dsdt_buffer) { - printk(KERN_ERR PREFIX "Failed to allocate %lu bytes.\n", len); - goto err; - } - - oldfs = get_fs(); - set_fs(KERNEL_DS); - len2 = vfs_read(firmware_file, (char __user *)dsdt_buffer, len, - &firmware_file->f_pos); - set_fs(oldfs); - if (len2 < len) { - printk(KERN_ERR PREFIX "Failed to read %lu bytes from %s.\n", - len, ramfs_dsdt_name); - ACPI_FREE(dsdt_buffer); - goto err; - } - - printk(KERN_INFO PREFIX "Found %lu byte DSDT in %s.\n", - len, ramfs_dsdt_name); - ret = dsdt_buffer; -err: - filp_close(firmware_file, NULL); - return ret; -} -#endif - acpi_status acpi_os_table_override(struct acpi_table_header * existing_table, struct acpi_table_header ** new_table) @@ -398,16 +333,6 @@ acpi_os_table_override(struct acpi_table_header * existing_table, if (strncmp(existing_table->signature, "DSDT", 4) == 0) *new_table = (struct acpi_table_header *)AmlCode; #endif -#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD - if ((strncmp(existing_table->signature, "DSDT", 4) == 0) && - !acpi_no_initrd_override) { - struct acpi_table_header *initrd_table; - - initrd_table = acpi_find_dsdt_initrd(); - if (initrd_table) - *new_table = initrd_table; - } -#endif if (*new_table != NULL) { printk(KERN_WARNING PREFIX "Override [%4.4s-%8.8s], " "this is unsafe: tainting kernel\n", @@ -418,15 +343,6 @@ acpi_os_table_override(struct acpi_table_header * existing_table, return AE_OK; } -#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD -static int __init acpi_no_initrd_override_setup(char *s) -{ - acpi_no_initrd_override = 1; - return 1; -} -__setup("acpi_no_initrd_override", acpi_no_initrd_override_setup); -#endif - static irqreturn_t acpi_irq(int irq, void *dev_id) { u32 handled; @@ -1237,7 +1153,7 @@ int acpi_check_resource_conflict(struct resource *res) if (clash) { if (acpi_enforce_resources != ENFORCE_RESOURCES_NO) { - printk(KERN_INFO "%sACPI: %s resource %s [0x%llx-0x%llx]" + printk("%sACPI: %s resource %s [0x%llx-0x%llx]" " conflicts with ACPI region %s" " [0x%llx-0x%llx]\n", acpi_enforce_resources == ENFORCE_RESOURCES_LAX diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 7f19859580c..7af414a3c63 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -25,6 +25,7 @@ */ +#include <linux/dmi.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -76,6 +77,101 @@ static struct acpi_prt_entry *acpi_pci_irq_find_prt_entry(int segment, return NULL; } +/* http://bugzilla.kernel.org/show_bug.cgi?id=4773 */ +static struct dmi_system_id medion_md9580[] = { + { + .ident = "Medion MD9580-F laptop", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"), + DMI_MATCH(DMI_PRODUCT_NAME, "A555"), + }, + }, + { } +}; + +/* http://bugzilla.kernel.org/show_bug.cgi?id=5044 */ +static struct dmi_system_id dell_optiplex[] = { + { + .ident = "Dell Optiplex GX1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX1 600S+"), + }, + }, + { } +}; + +/* http://bugzilla.kernel.org/show_bug.cgi?id=10138 */ +static struct dmi_system_id hp_t5710[] = { + { + .ident = "HP t5710", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "hp t5000 series"), + DMI_MATCH(DMI_BOARD_NAME, "098Ch"), + }, + }, + { } +}; + +struct prt_quirk { + struct dmi_system_id *system; + unsigned int segment; + unsigned int bus; + unsigned int device; + unsigned char pin; + char *source; /* according to BIOS */ + char *actual_source; +}; + +/* + * These systems have incorrect _PRT entries. The BIOS claims the PCI + * interrupt at the listed segment/bus/device/pin is connected to the first + * link device, but it is actually connected to the second. + */ +static struct prt_quirk prt_quirks[] = { + { medion_md9580, 0, 0, 9, 'A', + "\\_SB_.PCI0.ISA.LNKA", + "\\_SB_.PCI0.ISA.LNKB"}, + { dell_optiplex, 0, 0, 0xd, 'A', + "\\_SB_.LNKB", + "\\_SB_.LNKA"}, + { hp_t5710, 0, 0, 1, 'A', + "\\_SB_.PCI0.LNK1", + "\\_SB_.PCI0.LNK3"}, +}; + +static void +do_prt_fixups(struct acpi_prt_entry *entry, struct acpi_pci_routing_table *prt) +{ + int i; + struct prt_quirk *quirk; + + for (i = 0; i < ARRAY_SIZE(prt_quirks); i++) { + quirk = &prt_quirks[i]; + + /* All current quirks involve link devices, not GSIs */ + if (!prt->source) + continue; + + if (dmi_check_system(quirk->system) && + entry->id.segment == quirk->segment && + entry->id.bus == quirk->bus && + entry->id.device == quirk->device && + entry->pin + 'A' == quirk->pin && + !strcmp(prt->source, quirk->source) && + strlen(prt->source) >= strlen(quirk->actual_source)) { + printk(KERN_WARNING PREFIX "firmware reports " + "%04x:%02x:%02x[%c] connected to %s; " + "changing to %s\n", + entry->id.segment, entry->id.bus, + entry->id.device, 'A' + entry->pin, + prt->source, quirk->actual_source); + strcpy(prt->source, quirk->actual_source); + } + } +} + static int acpi_pci_irq_add_entry(acpi_handle handle, int segment, int bus, struct acpi_pci_routing_table *prt) @@ -96,6 +192,8 @@ acpi_pci_irq_add_entry(acpi_handle handle, entry->id.function = prt->address & 0xFFFF; entry->pin = prt->pin; + do_prt_fixups(entry, prt); + /* * Type 1: Dynamic * --------------- diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index f14ff1ffab2..c3fed31166b 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -184,7 +184,7 @@ static void acpi_pci_bridge_scan(struct acpi_device *device) } } -static int acpi_pci_root_add(struct acpi_device *device) +static int __devinit acpi_pci_root_add(struct acpi_device *device) { int result = 0; struct acpi_pci_root *root = NULL; diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index a3cc8a98255..36a68fa114e 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -840,17 +840,19 @@ static int is_processor_present(acpi_handle handle) status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); - /* - * if a processor object does not have an _STA object, - * OSPM assumes that the processor is present. - */ - if (status == AE_NOT_FOUND) - return 1; if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_PRESENT)) return 1; - ACPI_EXCEPTION((AE_INFO, status, "Processor Device is not present")); + /* + * _STA is mandatory for a processor that supports hot plug + */ + if (status == AE_NOT_FOUND) + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Processor does not support hot plug\n")); + else + ACPI_EXCEPTION((AE_INFO, status, + "Processor Device is not present")); return 0; } @@ -886,8 +888,8 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device) return 0; } -static void -acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data) +static void __ref acpi_processor_hotplug_notify(acpi_handle handle, + u32 event, void *data) { struct acpi_processor *pr; struct acpi_device *device = NULL; @@ -897,9 +899,10 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data) switch (event) { case ACPI_NOTIFY_BUS_CHECK: case ACPI_NOTIFY_DEVICE_CHECK: - printk("Processor driver received %s event\n", + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Processor driver received %s event\n", (event == ACPI_NOTIFY_BUS_CHECK) ? - "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK"); + "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK")); if (!is_processor_present(handle)) break; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 3fac011f9cf..57570ac4780 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -609,7 +609,8 @@ acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd) status = acpi_evaluate_object(handle, "_EJD", NULL, &buffer); if (ACPI_SUCCESS(status)) { obj = buffer.pointer; - status = acpi_get_handle(NULL, obj->string.pointer, ejd); + status = acpi_get_handle(ACPI_ROOT_OBJECT, obj->string.pointer, + ejd); kfree(buffer.pointer); } return status; @@ -966,7 +967,7 @@ static void acpi_device_set_id(struct acpi_device *device, case ACPI_BUS_TYPE_DEVICE: status = acpi_get_object_info(handle, &buffer); if (ACPI_FAILURE(status)) { - printk(KERN_ERR PREFIX "%s: Error reading device info\n", __FUNCTION__); + printk(KERN_ERR PREFIX "%s: Error reading device info\n", __func__); return; } diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c index 293a1cbb47c..d2f71a54726 100644 --- a/drivers/acpi/sleep/main.c +++ b/drivers/acpi/sleep/main.c @@ -504,7 +504,7 @@ static void acpi_power_off_prepare(void) static void acpi_power_off(void) { /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */ - printk("%s called\n", __FUNCTION__); + printk("%s called\n", __func__); local_irq_disable(); acpi_enable_wakeup_device(ACPI_STATE_S5); acpi_enter_sleep_state(ACPI_STATE_S5); diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index 55cf4c05bb7..4749f379a91 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -319,7 +319,7 @@ void acpi_irq_stats_init(void) goto fail; for (i = 0; i < num_counters; ++i) { - char buffer[10]; + char buffer[12]; char *name; if (i < num_gpes) diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 8d4b79b4f93..c4e00ac8ea8 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -879,6 +879,8 @@ static void acpi_thermal_check(void *data) } /* sys I/F for generic thermal sysfs support */ +#define KELVIN_TO_MILLICELSIUS(t) (t * 100 - 273200) + static int thermal_get_temp(struct thermal_zone_device *thermal, char *buf) { struct acpi_thermal *tz = thermal->devdata; @@ -886,7 +888,7 @@ static int thermal_get_temp(struct thermal_zone_device *thermal, char *buf) if (!tz) return -EINVAL; - return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS(tz->temperature)); + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(tz->temperature)); } static const char enabled[] = "kernel"; @@ -980,21 +982,21 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, if (tz->trips.critical.flags.valid) { if (!trip) - return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS( + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS( tz->trips.critical.temperature)); trip--; } if (tz->trips.hot.flags.valid) { if (!trip) - return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS( + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS( tz->trips.hot.temperature)); trip--; } if (tz->trips.passive.flags.valid) { if (!trip) - return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS( + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS( tz->trips.passive.temperature)); trip--; } @@ -1002,7 +1004,7 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->trips.active[i].flags.valid; i++) { if (!trip) - return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS( + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS( tz->trips.active[i].temperature)); trip--; } diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c index 9e8c20c6a0b..0a43c8e0eff 100644 --- a/drivers/acpi/toshiba_acpi.c +++ b/drivers/acpi/toshiba_acpi.c @@ -99,6 +99,13 @@ MODULE_LICENSE("GPL"); #define HCI_VIDEO_OUT_CRT 0x2 #define HCI_VIDEO_OUT_TV 0x4 +static const struct acpi_device_id toshiba_device_ids[] = { + {"TOS6200", 0}, + {"TOS1900", 0}, + {"", 0}, +}; +MODULE_DEVICE_TABLE(acpi, toshiba_device_ids); + /* utility */ diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c index c7e128e5369..7361204b1ee 100644 --- a/drivers/acpi/utilities/utdebug.c +++ b/drivers/acpi/utilities/utdebug.c @@ -109,7 +109,7 @@ void acpi_ut_track_stack_ptr(void) * RETURN: Updated pointer to the function name * * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present. - * This allows compiler macros such as __FUNCTION__ to be used + * This allows compiler macros such as __func__ to be used * with no change to the debug output. * ******************************************************************************/ diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c index 76ee766c84f..e08b3fa6639 100644 --- a/drivers/acpi/utilities/utobject.c +++ b/drivers/acpi/utilities/utobject.c @@ -432,7 +432,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object, * element -- which is legal) */ if (!internal_object) { - *obj_length = 0; + *obj_length = sizeof(union acpi_object); return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index eba55b7d6c9..44ea60cf21c 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -407,6 +407,12 @@ acpi_evaluate_reference(acpi_handle handle, break; } + if (!element->reference.handle) { + printk(KERN_WARNING PREFIX "Invalid reference in" + " package %s\n", pathname); + status = AE_NULL_ENTRY; + break; + } /* Get the acpi_handle. */ list->handles[i] = element->reference.handle; diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 12cce69b544..1bc0c74f275 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -713,7 +713,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) kfree(obj); - if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){ + if (device->cap._BCL && device->cap._BCM && max_level > 0) { int result; static int count = 0; char *name; @@ -1201,7 +1201,7 @@ static int acpi_video_bus_ROM_seq_show(struct seq_file *seq, void *offset) if (!video) goto end; - printk(KERN_INFO PREFIX "Please implement %s\n", __FUNCTION__); + printk(KERN_INFO PREFIX "Please implement %s\n", __func__); seq_printf(seq, "<TODO>\n"); end: diff --git a/drivers/acpi/wmi.c b/drivers/acpi/wmi.c index efacc9f8bfe..c33b1c6e93b 100644 --- a/drivers/acpi/wmi.c +++ b/drivers/acpi/wmi.c @@ -293,7 +293,7 @@ struct acpi_buffer *out) { struct guid_block *block = NULL; struct wmi_block *wblock = NULL; - acpi_handle handle; + acpi_handle handle, wc_handle; acpi_status status, wc_status = AE_ERROR; struct acpi_object_list input, wc_input; union acpi_object wc_params[1], wq_params[1]; @@ -338,8 +338,10 @@ struct acpi_buffer *out) * expensive, but have no corresponding WCxx method. So we * should not fail if this happens. */ - wc_status = acpi_evaluate_object(handle, wc_method, - &wc_input, NULL); + wc_status = acpi_get_handle(handle, wc_method, &wc_handle); + if (ACPI_SUCCESS(wc_status)) + wc_status = acpi_evaluate_object(handle, wc_method, + &wc_input, NULL); } strcpy(method, "WQ"); @@ -351,7 +353,7 @@ struct acpi_buffer *out) * If ACPI_WMI_EXPENSIVE, call the relevant WCxx method, even if * the WQxx method failed - we should disable collection anyway. */ - if ((block->flags & ACPI_WMI_EXPENSIVE) && wc_status) { + if ((block->flags & ACPI_WMI_EXPENSIVE) && ACPI_SUCCESS(wc_status)) { wc_params[0].integer.value = 0; status = acpi_evaluate_object(handle, wc_method, &wc_input, NULL); diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 6978469eb16..17ee6ed985d 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -49,6 +49,10 @@ #define DRV_NAME "ahci" #define DRV_VERSION "3.0" +static int ahci_skip_host_reset; +module_param_named(skip_host_reset, ahci_skip_host_reset, int, 0444); +MODULE_PARM_DESC(skip_host_reset, "skip global host reset (0=don't skip, 1=skip)"); + static int ahci_enable_alpm(struct ata_port *ap, enum link_pm policy); static void ahci_disable_alpm(struct ata_port *ap); @@ -587,6 +591,7 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* Marvell */ { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */ + { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */ /* Generic, PCI class code for AHCI */ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, @@ -661,6 +666,7 @@ static void ahci_save_initial_config(struct pci_dev *pdev, void __iomem *mmio = pcim_iomap_table(pdev)[AHCI_PCI_BAR]; u32 cap, port_map; int i; + int mv; /* make sure AHCI mode is enabled before accessing CAP */ ahci_enable_ahci(mmio); @@ -696,12 +702,16 @@ static void ahci_save_initial_config(struct pci_dev *pdev, * presence register, as bit 4 (counting from 0) */ if (hpriv->flags & AHCI_HFLAG_MV_PATA) { + if (pdev->device == 0x6121) + mv = 0x3; + else + mv = 0xf; dev_printk(KERN_ERR, &pdev->dev, "MV_AHCI HACK: port_map %x -> %x\n", - hpriv->port_map, - hpriv->port_map & 0xf); + port_map, + port_map & mv); - port_map &= 0xf; + port_map &= mv; } /* cross check port_map and cap.n_ports */ @@ -1088,29 +1098,35 @@ static int ahci_reset_controller(struct ata_host *host) ahci_enable_ahci(mmio); /* global controller reset */ - tmp = readl(mmio + HOST_CTL); - if ((tmp & HOST_RESET) == 0) { - writel(tmp | HOST_RESET, mmio + HOST_CTL); - readl(mmio + HOST_CTL); /* flush */ - } + if (!ahci_skip_host_reset) { + tmp = readl(mmio + HOST_CTL); + if ((tmp & HOST_RESET) == 0) { + writel(tmp | HOST_RESET, mmio + HOST_CTL); + readl(mmio + HOST_CTL); /* flush */ + } - /* reset must complete within 1 second, or - * the hardware should be considered fried. - */ - ssleep(1); + /* reset must complete within 1 second, or + * the hardware should be considered fried. + */ + ssleep(1); - tmp = readl(mmio + HOST_CTL); - if (tmp & HOST_RESET) { - dev_printk(KERN_ERR, host->dev, - "controller reset failed (0x%x)\n", tmp); - return -EIO; - } + tmp = readl(mmio + HOST_CTL); + if (tmp & HOST_RESET) { + dev_printk(KERN_ERR, host->dev, + "controller reset failed (0x%x)\n", tmp); + return -EIO; + } - /* turn on AHCI mode */ - ahci_enable_ahci(mmio); + /* turn on AHCI mode */ + ahci_enable_ahci(mmio); - /* some registers might be cleared on reset. restore initial values */ - ahci_restore_initial_config(host); + /* Some registers might be cleared on reset. Restore + * initial values. + */ + ahci_restore_initial_config(host); + } else + dev_printk(KERN_INFO, host->dev, + "skipping global host reset\n"); if (pdev->vendor == PCI_VENDOR_ID_INTEL) { u16 tmp16; @@ -1162,9 +1178,14 @@ static void ahci_init_controller(struct ata_host *host) int i; void __iomem *port_mmio; u32 tmp; + int mv; if (hpriv->flags & AHCI_HFLAG_MV_PATA) { - port_mmio = __ahci_port_base(host, 4); + if (pdev->device == 0x6121) + mv = 2; + else + mv = 4; + port_mmio = __ahci_port_base(host, mv); writel(0, port_mmio + PORT_IRQ_MASK); @@ -2241,7 +2262,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) return rc; - rc = pcim_iomap_regions(pdev, 1 << AHCI_PCI_BAR, DRV_NAME); + /* AHCI controllers often implement SFF compatible interface. + * Grab all PCI BARs just in case. + */ + rc = pcim_iomap_regions_request_all(pdev, 1 << AHCI_PCI_BAR, DRV_NAME); if (rc == -EBUSY) pcim_pin_device(pdev); if (rc) diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 0770cb7391a..bf98a566ada 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -118,45 +118,77 @@ static void ata_acpi_associate_ide_port(struct ata_port *ap) ap->pflags |= ATA_PFLAG_INIT_GTM_VALID; } -static void ata_acpi_handle_hotplug(struct ata_port *ap, struct kobject *kobj, +static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device *dev, u32 event) { char event_string[12]; char *envp[] = { event_string, NULL }; - struct ata_eh_info *ehi = &ap->link.eh_info; - - if (event == 0 || event == 1) { - unsigned long flags; - spin_lock_irqsave(ap->lock, flags); - ata_ehi_clear_desc(ehi); - ata_ehi_push_desc(ehi, "ACPI event"); - ata_ehi_hotplugged(ehi); - ata_port_freeze(ap); - spin_unlock_irqrestore(ap->lock, flags); + struct ata_eh_info *ehi; + struct kobject *kobj = NULL; + int wait = 0; + unsigned long flags; + + if (!ap) + ap = dev->link->ap; + ehi = &ap->link.eh_info; + + spin_lock_irqsave(ap->lock, flags); + + switch (event) { + case ACPI_NOTIFY_BUS_CHECK: + case ACPI_NOTIFY_DEVICE_CHECK: + ata_ehi_push_desc(ehi, "ACPI event"); + ata_ehi_hotplugged(ehi); + ata_port_freeze(ap); + break; + + case ACPI_NOTIFY_EJECT_REQUEST: + ata_ehi_push_desc(ehi, "ACPI event"); + if (dev) + dev->flags |= ATA_DFLAG_DETACH; + else { + struct ata_link *tlink; + struct ata_device *tdev; + + ata_port_for_each_link(tlink, ap) + ata_link_for_each_dev(tdev, tlink) + tdev->flags |= ATA_DFLAG_DETACH; + } + + ata_port_schedule_eh(ap); + wait = 1; + break; } + if (dev) { + if (dev->sdev) + kobj = &dev->sdev->sdev_gendev.kobj; + } else + kobj = &ap->dev->kobj; + if (kobj) { sprintf(event_string, "BAY_EVENT=%d", event); kobject_uevent_env(kobj, KOBJ_CHANGE, envp); } + + spin_unlock_irqrestore(ap->lock, flags); + + if (wait) + ata_port_wait_eh(ap); } static void ata_acpi_dev_notify(acpi_handle handle, u32 event, void *data) { struct ata_device *dev = data; - struct kobject *kobj = NULL; - if (dev->sdev) - kobj = &dev->sdev->sdev_gendev.kobj; - - ata_acpi_handle_hotplug(dev->link->ap, kobj, event); + ata_acpi_handle_hotplug(NULL, dev, event); } static void ata_acpi_ap_notify(acpi_handle handle, u32 event, void *data) { struct ata_port *ap = data; - ata_acpi_handle_hotplug(ap, &ap->dev->kobj, event); + ata_acpi_handle_hotplug(ap, NULL, event); } /** @@ -191,20 +223,30 @@ void ata_acpi_associate(struct ata_host *host) else ata_acpi_associate_ide_port(ap); - if (ap->acpi_handle) - acpi_install_notify_handler (ap->acpi_handle, - ACPI_SYSTEM_NOTIFY, - ata_acpi_ap_notify, - ap); + if (ap->acpi_handle) { + acpi_install_notify_handler(ap->acpi_handle, + ACPI_SYSTEM_NOTIFY, + ata_acpi_ap_notify, ap); +#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE) + /* we might be on a docking station */ + register_hotplug_dock_device(ap->acpi_handle, + ata_acpi_ap_notify, ap); +#endif + } for (j = 0; j < ata_link_max_devices(&ap->link); j++) { struct ata_device *dev = &ap->link.device[j]; - if (dev->acpi_handle) - acpi_install_notify_handler (dev->acpi_handle, - ACPI_SYSTEM_NOTIFY, - ata_acpi_dev_notify, - dev); + if (dev->acpi_handle) { + acpi_install_notify_handler(dev->acpi_handle, + ACPI_SYSTEM_NOTIFY, + ata_acpi_dev_notify, dev); +#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE) + /* we might be on a docking station */ + register_hotplug_dock_device(dev->acpi_handle, + ata_acpi_dev_notify, dev); +#endif + } } } } diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index 7e68edf3c0f..8786455c901 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -295,7 +295,7 @@ static void ali_lock_sectors(struct ata_device *adev) static int ali_check_atapi_dma(struct ata_queued_cmd *qc) { /* If its not a media command, its not worth it */ - if (qc->nbytes < 2048) + if (atapi_cmd_type(qc->cdb[0]) == ATAPI_MISC) return -EOPNOTSUPP; return 0; } diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index c662d686154..47c57a4294b 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -331,8 +331,8 @@ module_param(fs_keystream, int, 0); #define FS_DEBUG_QSIZE 0x00001000 -#define func_enter() fs_dprintk (FS_DEBUG_FLOW, "fs: enter %s\n", __FUNCTION__) -#define func_exit() fs_dprintk (FS_DEBUG_FLOW, "fs: exit %s\n", __FUNCTION__) +#define func_enter() fs_dprintk(FS_DEBUG_FLOW, "fs: enter %s\n", __func__) +#define func_exit() fs_dprintk(FS_DEBUG_FLOW, "fs: exit %s\n", __func__) static struct fs_dev *fs_boards = NULL; diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c index f97e050338f..9427a61f62b 100644 --- a/drivers/atm/fore200e.c +++ b/drivers/atm/fore200e.c @@ -95,8 +95,8 @@ #if 1 #define ASSERT(expr) if (!(expr)) { \ printk(FORE200E "assertion failed! %s[%d]: %s\n", \ - __FUNCTION__, __LINE__, #expr); \ - panic(FORE200E "%s", __FUNCTION__); \ + __func__, __LINE__, #expr); \ + panic(FORE200E "%s", __func__); \ } #else #define ASSERT(expr) do {} while (0) diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index eee54c0cde6..b967919fb7e 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -555,7 +555,7 @@ idt77252_tx_dump(struct idt77252_dev *card) struct vc_map *vc; int i; - printk("%s\n", __FUNCTION__); + printk("%s\n", __func__); for (i = 0; i < card->tct_size; i++) { vc = card->vcs[i]; if (!vc) @@ -1035,7 +1035,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) skb = sb_pool_skb(card, le32_to_cpu(rsqe->word_2)); if (skb == NULL) { printk("%s: NULL skb in %s, rsqe: %08x %08x %08x %08x\n", - card->name, __FUNCTION__, + card->name, __func__, le32_to_cpu(rsqe->word_1), le32_to_cpu(rsqe->word_2), le32_to_cpu(rsqe->word_3), le32_to_cpu(rsqe->word_4)); return; @@ -1873,7 +1873,7 @@ add_rx_skb(struct idt77252_dev *card, int queue, return; if (sb_pool_add(card, skb, queue)) { - printk("%s: SB POOL full\n", __FUNCTION__); + printk("%s: SB POOL full\n", __func__); goto outfree; } @@ -1883,7 +1883,7 @@ add_rx_skb(struct idt77252_dev *card, int queue, IDT77252_PRV_PADDR(skb) = paddr; if (push_rx_skb(card, skb, queue)) { - printk("%s: FB QUEUE full\n", __FUNCTION__); + printk("%s: FB QUEUE full\n", __func__); goto outunmap; } } @@ -3821,12 +3821,12 @@ static int __init idt77252_init(void) { struct sk_buff *skb; - printk("%s: at %p\n", __FUNCTION__, idt77252_init); + printk("%s: at %p\n", __func__, idt77252_init); if (sizeof(skb->cb) < sizeof(struct atm_skb_data) + sizeof(struct idt77252_skb_prv)) { printk(KERN_ERR "%s: skb->cb is too small (%lu < %lu)\n", - __FUNCTION__, (unsigned long) sizeof(skb->cb), + __func__, (unsigned long) sizeof(skb->cb), (unsigned long) sizeof(struct atm_skb_data) + sizeof(struct idt77252_skb_prv)); return -EIO; diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index b6d230b3209..0d1d2133d9b 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -44,16 +44,6 @@ config MAC_FLOPPY If you have a SWIM-3 (Super Woz Integrated Machine 3; from Apple) floppy controller, say Y here. Most commonly found in PowerMacs. -config BLK_DEV_PS2 - tristate "PS/2 ESDI hard disk support" - depends on MCA && MCA_LEGACY && BROKEN - help - Say Y here if you have a PS/2 machine with a MCA bus and an ESDI - hard disk. - - To compile this driver as a module, choose M here: the - module will be called ps2esdi. - config AMIGA_Z2RAM tristate "Amiga Zorro II ramdisk support" depends on ZORRO diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 01c972415cb..5e584306be9 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -13,7 +13,6 @@ obj-$(CONFIG_ATARI_FLOPPY) += ataflop.o obj-$(CONFIG_AMIGA_Z2RAM) += z2ram.o obj-$(CONFIG_BLK_DEV_RAM) += brd.o obj-$(CONFIG_BLK_DEV_LOOP) += loop.o -obj-$(CONFIG_BLK_DEV_PS2) += ps2esdi.o obj-$(CONFIG_BLK_DEV_XD) += xd.o obj-$(CONFIG_BLK_CPQ_DA) += cpqarray.o obj-$(CONFIG_BLK_CPQ_CISS_DA) += cciss.o diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 32c79a55511..7652e87d60c 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -217,7 +217,6 @@ static int use_virtual_dma; */ static DEFINE_SPINLOCK(floppy_lock); -static struct completion device_release; static unsigned short virtual_dma_port = 0x3f0; irqreturn_t floppy_interrupt(int irq, void *dev_id); @@ -4144,7 +4143,6 @@ DEVICE_ATTR(cmos,S_IRUGO,floppy_cmos_show,NULL); static void floppy_device_release(struct device *dev) { - complete(&device_release); } static struct platform_device floppy_device[N_DRIVE]; @@ -4539,7 +4537,6 @@ void cleanup_module(void) { int drive; - init_completion(&device_release); blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256); unregister_blkdev(FLOPPY_MAJOR, "fd"); @@ -4564,8 +4561,6 @@ void cleanup_module(void) /* eject disk, if any */ fd_eject(0); - - wait_for_completion(&device_release); } module_param(floppy, charp, 0); diff --git a/drivers/block/ps2esdi.c b/drivers/block/ps2esdi.c deleted file mode 100644 index 3c796e23625..00000000000 --- a/drivers/block/ps2esdi.c +++ /dev/null @@ -1,1079 +0,0 @@ -/* ps2esdi driver based on assembler code by Arindam Banerji, - written by Peter De Schrijver */ -/* Reassuring note to IBM : This driver was NOT developed by vice-versa - engineering the PS/2's BIOS */ -/* Dedicated to Wannes, Tofke, Ykke, Godot, Killroy and all those - other lovely fish out there... */ -/* This code was written during the long and boring WINA - elections 1994 */ -/* Thanks to Arindam Banerij for giving me the source of his driver */ -/* This code may be freely distributed and modified in any way, - as long as these notes remain intact */ - -/* Revised: 05/07/94 by Arindam Banerji (axb@cse.nd.edu) */ -/* Revised: 09/08/94 by Peter De Schrijver (stud11@cc4.kuleuven.ac.be) - Thanks to Arindam Banerij for sending me the docs of the adapter */ - -/* BA Modified for ThinkPad 720 by Boris Ashkinazi */ -/* (bash@vnet.ibm.com) 08/08/95 */ - -/* Modified further for ThinkPad-720C by Uri Blumenthal */ -/* (uri@watson.ibm.com) Sep 11, 1995 */ - -/* TODO : - + Timeouts - + Get disk parameters - + DMA above 16MB - + reset after read/write error - */ - -#define DEVICE_NAME "PS/2 ESDI" - -#include <linux/major.h> -#include <linux/errno.h> -#include <linux/wait.h> -#include <linux/interrupt.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/genhd.h> -#include <linux/ps2esdi.h> -#include <linux/blkdev.h> -#include <linux/mca-legacy.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/module.h> -#include <linux/hdreg.h> - -#include <asm/system.h> -#include <asm/io.h> -#include <asm/dma.h> -#include <asm/mca_dma.h> -#include <asm/uaccess.h> - -#define PS2ESDI_IRQ 14 -#define MAX_HD 2 -#define MAX_RETRIES 5 -#define MAX_16BIT 65536 -#define ESDI_TIMEOUT 0xf000 -#define ESDI_STAT_TIMEOUT 4 - -#define TYPE_0_CMD_BLK_LENGTH 2 -#define TYPE_1_CMD_BLK_LENGTH 4 - -static void reset_ctrl(void); - -static int ps2esdi_geninit(void); - -static void do_ps2esdi_request(struct request_queue * q); - -static void ps2esdi_readwrite(int cmd, struct request *req); - -static void ps2esdi_fill_cmd_block(u_short * cmd_blk, u_short cmd, -u_short cyl, u_short head, u_short sector, u_short length, u_char drive); - -static int ps2esdi_out_cmd_blk(u_short * cmd_blk); - -static void ps2esdi_prep_dma(char *buffer, u_short length, u_char dma_xmode); - -static irqreturn_t ps2esdi_interrupt_handler(int irq, void *dev_id); -static void (*current_int_handler) (u_int) = NULL; -static void ps2esdi_normal_interrupt_handler(u_int); -static void ps2esdi_initial_reset_int_handler(u_int); -static void ps2esdi_geometry_int_handler(u_int); -static int ps2esdi_getgeo(struct block_device *bdev, struct hd_geometry *geo); - -static int ps2esdi_read_status_words(int num_words, int max_words, u_short * buffer); - -static void dump_cmd_complete_status(u_int int_ret_code); - -static void ps2esdi_get_device_cfg(void); - -static void ps2esdi_reset_timer(unsigned long unused); - -static u_int dma_arb_level; /* DMA arbitration level */ - -static DECLARE_WAIT_QUEUE_HEAD(ps2esdi_int); - -static int no_int_yet; -static int ps2esdi_drives; -static u_short io_base; -static DEFINE_TIMER(esdi_timer, ps2esdi_reset_timer, 0, 0); -static int reset_status; -static int ps2esdi_slot = -1; -static int tp720esdi = 0; /* Is it Integrated ESDI of ThinkPad-720? */ -static int intg_esdi = 0; /* If integrated adapter */ -struct ps2esdi_i_struct { - unsigned int head, sect, cyl, wpcom, lzone, ctl; -}; -static DEFINE_SPINLOCK(ps2esdi_lock); -static struct request_queue *ps2esdi_queue; -static struct request *current_req; - -#if 0 -#if 0 /* try both - I don't know which one is better... UB */ -static struct ps2esdi_i_struct ps2esdi_info[MAX_HD] = -{ - {4, 48, 1553, 0, 0, 0}, - {0, 0, 0, 0, 0, 0}}; -#else -static struct ps2esdi_i_struct ps2esdi_info[MAX_HD] = -{ - {64, 32, 161, 0, 0, 0}, - {0, 0, 0, 0, 0, 0}}; -#endif -#endif -static struct ps2esdi_i_struct ps2esdi_info[MAX_HD] = -{ - {0, 0, 0, 0, 0, 0}, - {0, 0, 0, 0, 0, 0}}; - -static struct block_device_operations ps2esdi_fops = -{ - .owner = THIS_MODULE, - .getgeo = ps2esdi_getgeo, -}; - -static struct gendisk *ps2esdi_gendisk[2]; - -/* initialization routine called by ll_rw_blk.c */ -static int __init ps2esdi_init(void) -{ - - int error = 0; - - /* register the device - pass the name and major number */ - if (register_blkdev(PS2ESDI_MAJOR, "ed")) - return -EBUSY; - - /* set up some global information - indicating device specific info */ - ps2esdi_queue = blk_init_queue(do_ps2esdi_request, &ps2esdi_lock); - if (!ps2esdi_queue) { - unregister_blkdev(PS2ESDI_MAJOR, "ed"); - return -ENOMEM; - } - - /* some minor housekeeping - setup the global gendisk structure */ - error = ps2esdi_geninit(); - if (error) { - printk(KERN_WARNING "PS2ESDI: error initialising" - " device, releasing resources\n"); - unregister_blkdev(PS2ESDI_MAJOR, "ed"); - blk_cleanup_queue(ps2esdi_queue); - return error; - } - return 0; -} /* ps2esdi_init */ - -#ifndef MODULE - -module_init(ps2esdi_init); - -#else - -static int cyl[MAX_HD] = {-1,-1}; -static int head[MAX_HD] = {-1, -1}; -static int sect[MAX_HD] = {-1, -1}; - -module_param(tp720esdi, bool, 0); -module_param_array(cyl, int, NULL, 0); -module_param_array(head, int, NULL, 0); -module_param_array(sect, int, NULL, 0); -MODULE_LICENSE("GPL"); - -int init_module(void) { - int drive; - - for(drive = 0; drive < MAX_HD; drive++) { - struct ps2esdi_i_struct *info = &ps2esdi_info[drive]; - - if (cyl[drive] != -1) { - info->cyl = info->lzone = cyl[drive]; - info->wpcom = 0; - } - if (head[drive] != -1) { - info->head = head[drive]; - info->ctl = (head[drive] > 8 ? 8 : 0); - } - if (sect[drive] != -1) info->sect = sect[drive]; - } - return ps2esdi_init(); -} - -void -cleanup_module(void) { - int i; - if(ps2esdi_slot) { - mca_mark_as_unused(ps2esdi_slot); - mca_set_adapter_procfn(ps2esdi_slot, NULL, NULL); - } - release_region(io_base, 4); - free_dma(dma_arb_level); - free_irq(PS2ESDI_IRQ, &ps2esdi_gendisk); - unregister_blkdev(PS2ESDI_MAJOR, "ed"); - blk_cleanup_queue(ps2esdi_queue); - for (i = 0; i < ps2esdi_drives; i++) { - del_gendisk(ps2esdi_gendisk[i]); - put_disk(ps2esdi_gendisk[i]); - } -} -#endif /* MODULE */ - -/* handles boot time command line parameters */ -void __init tp720_setup(char *str, int *ints) -{ - /* no params, just sets the tp720esdi flag if it exists */ - - printk("%s: TP 720 ESDI flag set\n", DEVICE_NAME); - tp720esdi = 1; -} - -void __init ed_setup(char *str, int *ints) -{ - int hdind = 0; - - /* handles 3 parameters only - corresponding to - 1. Number of cylinders - 2. Number of heads - 3. Sectors/track - */ - - if (ints[0] != 3) - return; - - /* print out the information - seen at boot time */ - printk("%s: ints[0]=%d ints[1]=%d ints[2]=%d ints[3]=%d\n", - DEVICE_NAME, ints[0], ints[1], ints[2], ints[3]); - - /* set the index into device specific information table */ - if (ps2esdi_info[0].head != 0) - hdind = 1; - - /* set up all the device information */ - ps2esdi_info[hdind].head = ints[2]; - ps2esdi_info[hdind].sect = ints[3]; - ps2esdi_info[hdind].cyl = ints[1]; - ps2esdi_info[hdind].wpcom = 0; - ps2esdi_info[hdind].lzone = ints[1]; - ps2esdi_info[hdind].ctl = (ints[2] > 8 ? 8 : 0); -#if 0 /* this may be needed for PS2/Mod.80, but it hurts ThinkPad! */ - ps2esdi_drives = hdind + 1; /* increment index for the next time */ -#endif -} /* ed_setup */ - -static int ps2esdi_getinfo(char *buf, int slot, void *d) -{ - int len = 0; - - len += sprintf(buf + len, "DMA Arbitration Level: %d\n", - dma_arb_level); - len += sprintf(buf + len, "IO Port: %x\n", io_base); - len += sprintf(buf + len, "IRQ: 14\n"); - len += sprintf(buf + len, "Drives: %d\n", ps2esdi_drives); - - return len; -} - -/* ps2 esdi specific initialization - called thru the gendisk chain */ -static int __init ps2esdi_geninit(void) -{ - /* - The first part contains the initialization code - for the ESDI disk subsystem. All we really do - is search for the POS registers of the controller - to do some simple setup operations. First, we - must ensure that the controller is installed, - enabled, and configured as PRIMARY. Then we must - determine the DMA arbitration level being used by - the controller so we can handle data transfer - operations properly. If all of this works, then - we will set the INIT_FLAG to a non-zero value. - */ - - int slot = 0, i, reset_start, reset_end; - u_char status; - unsigned short adapterID; - int error = 0; - - if ((slot = mca_find_adapter(INTG_ESDI_ID, 0)) != MCA_NOTFOUND) { - adapterID = INTG_ESDI_ID; - printk("%s: integrated ESDI adapter found in slot %d\n", - DEVICE_NAME, slot+1); -#ifndef MODULE - mca_set_adapter_name(slot, "PS/2 Integrated ESDI"); -#endif - } else if ((slot = mca_find_adapter(NRML_ESDI_ID, 0)) != -1) { - adapterID = NRML_ESDI_ID; - printk("%s: normal ESDI adapter found in slot %d\n", - DEVICE_NAME, slot+1); - mca_set_adapter_name(slot, "PS/2 ESDI"); - } else { - return -ENODEV; - } - - ps2esdi_slot = slot; - mca_mark_as_used(slot); - mca_set_adapter_procfn(slot, (MCA_ProcFn) ps2esdi_getinfo, NULL); - - /* Found the slot - read the POS register 2 to get the necessary - configuration and status information. POS register 2 has the - following information : - Bit Function - 7 reserved = 0 - 6 arbitration method - 0 - fairness enabled - 1 - fairness disabled, linear priority assignment - 5-2 arbitration level - 1 alternate address - 1 alternate address - 0 - use addresses 0x3510 - 0x3517 - 0 adapter enable - */ - - status = mca_read_stored_pos(slot, 2); - /* is it enabled ? */ - if (!(status & STATUS_ENABLED)) { - printk("%s: ESDI adapter disabled\n", DEVICE_NAME); - error = -ENODEV; - goto err_out1; - } - /* try to grab IRQ, and try to grab a slow IRQ if it fails, so we can - share with the SCSI driver */ - if (request_irq(PS2ESDI_IRQ, ps2esdi_interrupt_handler, - IRQF_DISABLED | IRQF_SHARED, "PS/2 ESDI", &ps2esdi_gendisk) - && request_irq(PS2ESDI_IRQ, ps2esdi_interrupt_handler, - IRQF_SHARED, "PS/2 ESDI", &ps2esdi_gendisk) - ) { - printk("%s: Unable to get IRQ %d\n", DEVICE_NAME, PS2ESDI_IRQ); - error = -EBUSY; - goto err_out1; - } - if (status & STATUS_ALTERNATE) - io_base = ALT_IO_BASE; - else - io_base = PRIMARY_IO_BASE; - - if (!request_region(io_base, 4, "ed")) { - printk(KERN_WARNING"Unable to request region 0x%x\n", io_base); - error = -EBUSY; - goto err_out2; - } - /* get the dma arbitration level */ - dma_arb_level = (status >> 2) & 0xf; - - /* BA */ - printk("%s: DMA arbitration level : %d\n", - DEVICE_NAME, dma_arb_level); - - LITE_ON; - current_int_handler = ps2esdi_initial_reset_int_handler; - reset_ctrl(); - reset_status = 0; - reset_start = jiffies; - while (!reset_status) { - init_timer(&esdi_timer); - esdi_timer.expires = jiffies + HZ; - esdi_timer.data = 0; - add_timer(&esdi_timer); - sleep_on(&ps2esdi_int); - } - reset_end = jiffies; - LITE_OFF; - printk("%s: reset interrupt after %d jiffies, %u.%02u secs\n", - DEVICE_NAME, reset_end - reset_start, (reset_end - reset_start) / HZ, - (reset_end - reset_start) % HZ); - - - /* Integrated ESDI Disk and Controller has only one drive! */ - if (adapterID == INTG_ESDI_ID) {/* if not "normal" PS2 ESDI adapter */ - ps2esdi_drives = 1; /* then we have only one physical disk! */ intg_esdi = 1; - } - - - - /* finally this part sets up some global data structures etc. */ - - ps2esdi_get_device_cfg(); - - /* some annoyance in the above routine returns TWO drives? - Is something else happining in the background? - Regaurdless we fix the # of drives again. AJK */ - /* Integrated ESDI Disk and Controller has only one drive! */ - if (adapterID == INTG_ESDI_ID) /* if not "normal" PS2 ESDI adapter */ - ps2esdi_drives = 1; /* Not three or two, ONE DAMNIT! */ - - current_int_handler = ps2esdi_normal_interrupt_handler; - - if (request_dma(dma_arb_level, "ed") !=0) { - printk(KERN_WARNING "PS2ESDI: Can't request dma-channel %d\n" - ,(int) dma_arb_level); - error = -EBUSY; - goto err_out3; - } - blk_queue_max_sectors(ps2esdi_queue, 128); - - error = -ENOMEM; - for (i = 0; i < ps2esdi_drives; i++) { - struct gendisk *disk = alloc_disk(64); - if (!disk) - goto err_out4; - disk->major = PS2ESDI_MAJOR; - disk->first_minor = i<<6; - sprintf(disk->disk_name, "ed%c", 'a'+i); - disk->fops = &ps2esdi_fops; - ps2esdi_gendisk[i] = disk; - } - - for (i = 0; i < ps2esdi_drives; i++) { - struct gendisk *disk = ps2esdi_gendisk[i]; - set_capacity(disk, ps2esdi_info[i].head * ps2esdi_info[i].sect * - ps2esdi_info[i].cyl); - disk->queue = ps2esdi_queue; - disk->private_data = &ps2esdi_info[i]; - add_disk(disk); - } - return 0; -err_out4: - while (i--) - put_disk(ps2esdi_gendisk[i]); -err_out3: - release_region(io_base, 4); -err_out2: - free_irq(PS2ESDI_IRQ, &ps2esdi_gendisk); -err_out1: - if(ps2esdi_slot) { - mca_mark_as_unused(ps2esdi_slot); - mca_set_adapter_procfn(ps2esdi_slot, NULL, NULL); - } - return error; -} - -static void __init ps2esdi_get_device_cfg(void) -{ - u_short cmd_blk[TYPE_0_CMD_BLK_LENGTH]; - - /*BA */ printk("%s: Drive 0\n", DEVICE_NAME); - current_int_handler = ps2esdi_geometry_int_handler; - cmd_blk[0] = CMD_GET_DEV_CONFIG | 0x600; - cmd_blk[1] = 0; - no_int_yet = TRUE; - ps2esdi_out_cmd_blk(cmd_blk); - if (no_int_yet) - sleep_on(&ps2esdi_int); - - if (ps2esdi_drives > 1) { - printk("%s: Drive 1\n", DEVICE_NAME); /*BA */ - cmd_blk[0] = CMD_GET_DEV_CONFIG | (1 << 5) | 0x600; - cmd_blk[1] = 0; - no_int_yet = TRUE; - ps2esdi_out_cmd_blk(cmd_blk); - if (no_int_yet) - sleep_on(&ps2esdi_int); - } /* if second physical drive is present */ - return; -} - -/* strategy routine that handles most of the IO requests */ -static void do_ps2esdi_request(struct request_queue * q) -{ - struct request *req; - /* since, this routine is called with interrupts cleared - they - must be before it finishes */ - - req = elv_next_request(q); - if (!req) - return; - -#if 0 - printk("%s:got request. device : %s command : %d sector : %ld count : %ld, buffer: %p\n", - DEVICE_NAME, - req->rq_disk->disk_name, - req->cmd, req->sector, - req->current_nr_sectors, req->buffer); -#endif - - /* check for above 16Mb dmas */ - if (isa_virt_to_bus(req->buffer + req->current_nr_sectors * 512) > 16 * MB) { - printk("%s: DMA above 16MB not supported\n", DEVICE_NAME); - end_request(req, FAIL); - return; - } - - if (req->sector+req->current_nr_sectors > get_capacity(req->rq_disk)) { - printk("Grrr. error. ps2esdi_drives: %d, %llu %llu\n", - ps2esdi_drives, req->sector, - (unsigned long long)get_capacity(req->rq_disk)); - end_request(req, FAIL); - return; - } - - switch (rq_data_dir(req)) { - case READ: - ps2esdi_readwrite(READ, req); - break; - case WRITE: - ps2esdi_readwrite(WRITE, req); - break; - default: - printk("%s: Unknown command\n", req->rq_disk->disk_name); - end_request(req, FAIL); - break; - } /* handle different commands */ -} /* main strategy routine */ - -/* resets the ESDI adapter */ -static void reset_ctrl(void) -{ - - u_long expire; - u_short status; - - /* enable interrupts on the controller */ - status = inb(ESDI_INTRPT); - outb((status & 0xe0) | ATT_EOI, ESDI_ATTN); /* to be sure we don't have - any interrupt pending... */ - outb_p(CTRL_ENABLE_INTR, ESDI_CONTROL); - - /* read the ESDI status port - if the controller is not busy, - simply do a soft reset (fast) - otherwise we'll have to do a - hard (slow) reset. */ - if (!(inb_p(ESDI_STATUS) & STATUS_BUSY)) { - /*BA */ printk("%s: soft reset...\n", DEVICE_NAME); - outb_p(CTRL_SOFT_RESET, ESDI_ATTN); - } - /* soft reset */ - else { - /*BA */ - printk("%s: hard reset...\n", DEVICE_NAME); - outb_p(CTRL_HARD_RESET, ESDI_CONTROL); - expire = jiffies + 2*HZ; - while (time_before(jiffies, expire)); - outb_p(1, ESDI_CONTROL); - } /* hard reset */ - - -} /* reset the controller */ - -/* called by the strategy routine to handle read and write requests */ -static void ps2esdi_readwrite(int cmd, struct request *req) -{ - struct ps2esdi_i_struct *p = req->rq_disk->private_data; - unsigned block = req->sector; - unsigned count = req->current_nr_sectors; - int drive = p - ps2esdi_info; - u_short track, head, cylinder, sector; - u_short cmd_blk[TYPE_1_CMD_BLK_LENGTH]; - - /* do some relevant arithmatic */ - track = block / p->sect; - head = track % p->head; - cylinder = track / p->head; - sector = block % p->sect; - -#if 0 - printk("%s: cyl=%d head=%d sect=%d\n", DEVICE_NAME, cylinder, head, sector); -#endif - /* call the routine that actually fills out a command block */ - ps2esdi_fill_cmd_block - (cmd_blk, - (cmd == READ) ? CMD_READ : CMD_WRITE, - cylinder, head, sector, count, drive); - - /* send the command block to the controller */ - current_req = req; - spin_unlock_irq(&ps2esdi_lock); - if (ps2esdi_out_cmd_blk(cmd_blk)) { - spin_lock_irq(&ps2esdi_lock); - printk("%s: Controller failed\n", DEVICE_NAME); - if ((++req->errors) >= MAX_RETRIES) - end_request(req, FAIL); - } - /* check for failure to put out the command block */ - else { - spin_lock_irq(&ps2esdi_lock); -#if 0 - printk("%s: waiting for xfer\n", DEVICE_NAME); -#endif - /* turn disk lights on */ - LITE_ON; - } - -} /* ps2esdi_readwrite */ - -/* fill out the command block */ -static void ps2esdi_fill_cmd_block(u_short * cmd_blk, u_short cmd, - u_short cyl, u_short head, u_short sector, u_short length, u_char drive) -{ - - cmd_blk[0] = (drive << 5) | cmd; - cmd_blk[1] = length; - cmd_blk[2] = ((cyl & 0x1f) << 11) | (head << 5) | sector; - cmd_blk[3] = (cyl & 0x3E0) >> 5; - -} /* fill out the command block */ - -/* write a command block to the controller */ -static int ps2esdi_out_cmd_blk(u_short * cmd_blk) -{ - - int i; - unsigned long jif; - u_char status; - - /* enable interrupts */ - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - - /* do not write to the controller, if it is busy */ - for (jif = jiffies + ESDI_STAT_TIMEOUT; - time_after(jif, jiffies) && - (inb(ESDI_STATUS) & STATUS_BUSY); ) - ; - -#if 0 - printk("%s: i(1)=%ld\n", DEVICE_NAME, jif); -#endif - - /* if device is still busy - then just time out */ - if (inb(ESDI_STATUS) & STATUS_BUSY) { - printk("%s: ps2esdi_out_cmd timed out (1)\n", DEVICE_NAME); - return ERROR; - } /* timeout ??? */ - /* Set up the attention register in the controller */ - outb(((*cmd_blk) & 0xE0) | 1, ESDI_ATTN); - -#if 0 - printk("%s: sending %d words to controller\n", DEVICE_NAME, (((*cmd_blk) >> 14) + 1) << 1); -#endif - - /* one by one send each word out */ - for (i = (((*cmd_blk) >> 14) + 1) << 1; i; i--) { - status = inb(ESDI_STATUS); - for (jif = jiffies + ESDI_STAT_TIMEOUT; - time_after(jif, jiffies) && (status & STATUS_BUSY) && - (status & STATUS_CMD_INF); status = inb(ESDI_STATUS)); - if ((status & (STATUS_BUSY | STATUS_CMD_INF)) == STATUS_BUSY) { -#if 0 - printk("%s: sending %04X\n", DEVICE_NAME, *cmd_blk); -#endif - outw(*cmd_blk++, ESDI_CMD_INT); - } else { - printk("%s: ps2esdi_out_cmd timed out while sending command (status=%02X)\n", - DEVICE_NAME, status); - return ERROR; - } - } /* send all words out */ - return OK; -} /* send out the commands */ - - -/* prepare for dma - do all the necessary setup */ -static void ps2esdi_prep_dma(char *buffer, u_short length, u_char dma_xmode) -{ - unsigned long flags = claim_dma_lock(); - - mca_disable_dma(dma_arb_level); - - mca_set_dma_addr(dma_arb_level, isa_virt_to_bus(buffer)); - - mca_set_dma_count(dma_arb_level, length * 512 / 2); - - mca_set_dma_mode(dma_arb_level, dma_xmode); - - mca_enable_dma(dma_arb_level); - - release_dma_lock(flags); - -} /* prepare for dma */ - - - -static irqreturn_t ps2esdi_interrupt_handler(int irq, void *dev_id) -{ - u_int int_ret_code; - - if (inb(ESDI_STATUS) & STATUS_INTR) { - int_ret_code = inb(ESDI_INTRPT); - if (current_int_handler) { - /* Disable adapter interrupts till processing is finished */ - outb(CTRL_DISABLE_INTR, ESDI_CONTROL); - current_int_handler(int_ret_code); - } else - printk("%s: help ! No interrupt handler.\n", DEVICE_NAME); - } else { - return IRQ_NONE; - } - return IRQ_HANDLED; -} - -static void ps2esdi_initial_reset_int_handler(u_int int_ret_code) -{ - - switch (int_ret_code & 0xf) { - case INT_RESET: - /*BA */ - printk("%s: initial reset completed.\n", DEVICE_NAME); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - wake_up(&ps2esdi_int); - break; - case INT_ATTN_ERROR: - printk("%s: Attention error. interrupt status : %02X\n", DEVICE_NAME, - int_ret_code); - printk("%s: status: %02x\n", DEVICE_NAME, inb(ESDI_STATUS)); - break; - default: - printk("%s: initial reset handler received interrupt: %02X\n", - DEVICE_NAME, int_ret_code); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - break; - } - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); -} - - -static void ps2esdi_geometry_int_handler(u_int int_ret_code) -{ - u_int status, drive_num; - unsigned long rba; - int i; - - drive_num = int_ret_code >> 5; - switch (int_ret_code & 0xf) { - case INT_CMD_COMPLETE: - for (i = ESDI_TIMEOUT; i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL); i--); - if (!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) { - printk("%s: timeout reading status word\n", DEVICE_NAME); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - break; - } - status = inw(ESDI_STT_INT); - if ((status & 0x1F) == CMD_GET_DEV_CONFIG) { -#define REPLY_WORDS 5 /* we already read word 0 */ - u_short reply[REPLY_WORDS]; - - if (ps2esdi_read_status_words((status >> 8) - 1, REPLY_WORDS, reply)) { - /*BA */ - printk("%s: Device Configuration Status for drive %u\n", - DEVICE_NAME, drive_num); - - printk("%s: Spares/cyls: %u", DEVICE_NAME, reply[0] >> 8); - - printk - ("Config bits: %s%s%s%s%s\n", - (reply[0] & CONFIG_IS) ? "Invalid Secondary, " : "", - ((reply[0] & CONFIG_ZD) && !(reply[0] & CONFIG_IS)) - ? "Zero Defect, " : "Defects Present, ", - (reply[0] & CONFIG_SF) ? "Skewed Format, " : "", - (reply[0] & CONFIG_FR) ? "Removable, " : "Non-Removable, ", - (reply[0] & CONFIG_RT) ? "No Retries" : "Retries"); - - rba = reply[1] | ((unsigned long) reply[2] << 16); - printk("%s: Number of RBA's: %lu\n", DEVICE_NAME, rba); - - printk("%s: Physical number of cylinders: %u, Sectors/Track: %u, Heads: %u\n", - DEVICE_NAME, reply[3], reply[4] >> 8, reply[4] & 0xff); - - if (!ps2esdi_info[drive_num].head) { - ps2esdi_info[drive_num].head = 64; - ps2esdi_info[drive_num].sect = 32; - ps2esdi_info[drive_num].cyl = rba / (64 * 32); - ps2esdi_info[drive_num].wpcom = 0; - ps2esdi_info[drive_num].lzone = ps2esdi_info[drive_num].cyl; - ps2esdi_info[drive_num].ctl = 8; - if (tp720esdi) { /* store the retrieved parameters */ - ps2esdi_info[0].head = reply[4] & 0Xff; - ps2esdi_info[0].sect = reply[4] >> 8; - ps2esdi_info[0].cyl = reply[3]; - ps2esdi_info[0].wpcom = 0; - ps2esdi_info[0].lzone = reply[3]; - } else { - if (!intg_esdi) - ps2esdi_drives++; - } - } -#ifdef OBSOLETE - if (!ps2esdi_info[drive_num].head) { - ps2esdi_info[drive_num].head = reply[4] & 0Xff; - ps2esdi_info[drive_num].sect = reply[4] >> 8; - ps2esdi_info[drive_num].cyl = reply[3]; - ps2esdi_info[drive_num].wpcom = 0; - ps2esdi_info[drive_num].lzone = reply[3]; - if (tp720esdi) { /* store the retrieved parameters */ - ps2esdi_info[0].head = reply[4] & 0Xff; - ps2esdi_info[0].sect = reply[4] >> 8; - ps2esdi_info[0].cyl = reply[3]; - ps2esdi_info[0].wpcom = 0; - ps2esdi_info[0].lzone = reply[3]; - } else { - ps2esdi_drives++; - } - } -#endif - - } else - printk("%s: failed while getting device config\n", DEVICE_NAME); -#undef REPLY_WORDS - } else - printk("%s: command %02X unknown by geometry handler\n", - DEVICE_NAME, status & 0x1f); - - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - break; - - case INT_ATTN_ERROR: - printk("%s: Attention error. interrupt status : %02X\n", DEVICE_NAME, - int_ret_code); - printk("%s: Device not available\n", DEVICE_NAME); - break; - case INT_CMD_ECC: - case INT_CMD_RETRY: - case INT_CMD_ECC_RETRY: - case INT_CMD_WARNING: - case INT_CMD_ABORT: - case INT_CMD_FAILED: - case INT_DMA_ERR: - case INT_CMD_BLK_ERR: - /*BA */ printk("%s: Whaa. Error occurred...\n", DEVICE_NAME); - dump_cmd_complete_status(int_ret_code); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - break; - default: - printk("%s: Unknown interrupt reason: %02X\n", - DEVICE_NAME, int_ret_code & 0xf); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - break; - } - - wake_up(&ps2esdi_int); - no_int_yet = FALSE; - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - -} - -static void ps2esdi_normal_interrupt_handler(u_int int_ret_code) -{ - unsigned long flags; - u_int status; - u_int ending; - int i; - - switch (int_ret_code & 0x0f) { - case INT_TRANSFER_REQ: - ps2esdi_prep_dma(current_req->buffer, - current_req->current_nr_sectors, - (rq_data_dir(current_req) == READ) - ? MCA_DMA_MODE_16 | MCA_DMA_MODE_WRITE | MCA_DMA_MODE_XFER - : MCA_DMA_MODE_16 | MCA_DMA_MODE_READ); - outb(CTRL_ENABLE_DMA | CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = -1; - break; - - case INT_ATTN_ERROR: - printk("%s: Attention error. interrupt status : %02X\n", DEVICE_NAME, - int_ret_code); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = FAIL; - break; - - case INT_CMD_COMPLETE: - for (i = ESDI_TIMEOUT; i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL); i--); - if (!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) { - printk("%s: timeout reading status word\n", DEVICE_NAME); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - if ((++current_req->errors) >= MAX_RETRIES) - ending = FAIL; - else - ending = -1; - break; - } - status = inw(ESDI_STT_INT); - switch (status & 0x1F) { - case (CMD_READ & 0xff): - case (CMD_WRITE & 0xff): - LITE_OFF; - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = SUCCES; - break; - default: - printk("%s: interrupt for unknown command %02X\n", - DEVICE_NAME, status & 0x1f); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = -1; - break; - } - break; - case INT_CMD_ECC: - case INT_CMD_RETRY: - case INT_CMD_ECC_RETRY: - LITE_OFF; - dump_cmd_complete_status(int_ret_code); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = SUCCES; - break; - case INT_CMD_WARNING: - case INT_CMD_ABORT: - case INT_CMD_FAILED: - case INT_DMA_ERR: - LITE_OFF; - dump_cmd_complete_status(int_ret_code); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - if ((++current_req->errors) >= MAX_RETRIES) - ending = FAIL; - else - ending = -1; - break; - - case INT_CMD_BLK_ERR: - dump_cmd_complete_status(int_ret_code); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = FAIL; - break; - - case INT_CMD_FORMAT: - printk("%s: huh ? Who issued this format command ?\n" - ,DEVICE_NAME); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = -1; - break; - - case INT_RESET: - /* BA printk("%s: reset completed.\n", DEVICE_NAME) */ ; - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = -1; - break; - - default: - printk("%s: Unknown interrupt reason: %02X\n", - DEVICE_NAME, int_ret_code & 0xf); - outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - ending = -1; - break; - } - if(ending != -1) { - spin_lock_irqsave(&ps2esdi_lock, flags); - end_request(current_req, ending); - current_req = NULL; - do_ps2esdi_request(ps2esdi_queue); - spin_unlock_irqrestore(&ps2esdi_lock, flags); - } -} /* handle interrupts */ - - - -static int ps2esdi_read_status_words(int num_words, - int max_words, - u_short * buffer) -{ - int i; - - for (; max_words && num_words; max_words--, num_words--, buffer++) { - for (i = ESDI_TIMEOUT; i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL); i--); - if (!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) { - printk("%s: timeout reading status word\n", DEVICE_NAME); - return FAIL; - } - *buffer = inw(ESDI_STT_INT); - } - return SUCCES; -} - - - - -static void dump_cmd_complete_status(u_int int_ret_code) -{ -#define WAIT_FOR_STATUS \ - for(i=ESDI_TIMEOUT;i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL);i--); \ - if(!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) { \ - printk("%s: timeout reading status word\n",DEVICE_NAME); \ - return; \ - } - - int i, word_count; - u_short stat_word; - u_long rba; - - printk("%s: Device: %u, interrupt ID: %02X\n", - DEVICE_NAME, int_ret_code >> 5, - int_ret_code & 0xf); - - WAIT_FOR_STATUS; - stat_word = inw(ESDI_STT_INT); - word_count = (stat_word >> 8) - 1; - printk("%s: %u status words, command: %02X\n", DEVICE_NAME, word_count, - stat_word & 0xff); - - if (word_count--) { - WAIT_FOR_STATUS; - stat_word = inw(ESDI_STT_INT); - printk("%s: command status code: %02X, command error code: %02X\n", - DEVICE_NAME, stat_word >> 8, stat_word & 0xff); - } - if (word_count--) { - WAIT_FOR_STATUS; - stat_word = inw(ESDI_STT_INT); - printk("%s: device error code: %s%s%s%s%s,%02X\n", DEVICE_NAME, - (stat_word & 0x1000) ? "Ready, " : "Not Ready, ", - (stat_word & 0x0800) ? "Selected, " : "Not Selected, ", - (stat_word & 0x0400) ? "Write Fault, " : "", - (stat_word & 0x0200) ? "Track 0, " : "", - (stat_word & 0x0100) ? "Seek or command complete, " : "", - stat_word >> 8); - } - if (word_count--) { - WAIT_FOR_STATUS; - stat_word = inw(ESDI_STT_INT); - printk("%s: Blocks to do: %u", DEVICE_NAME, stat_word); - } - if (word_count -= 2) { - WAIT_FOR_STATUS; - rba = inw(ESDI_STT_INT); - WAIT_FOR_STATUS; - rba |= inw(ESDI_STT_INT) << 16; - printk(", Last Cyl: %u Head: %u Sector: %u\n", - (u_short) ((rba & 0x1ff80000) >> 11), - (u_short) ((rba & 0x7E0) >> 5), (u_short) (rba & 0x1f)); - } else - printk("\n"); - - if (word_count--) { - WAIT_FOR_STATUS; - stat_word = inw(ESDI_STT_INT); - printk("%s: Blocks required ECC: %u", DEVICE_NAME, stat_word); - } - printk("\n"); - -#undef WAIT_FOR_STATUS - -} - -static int ps2esdi_getgeo(struct block_device *bdev, struct hd_geometry *geo) -{ - struct ps2esdi_i_struct *p = bdev->bd_disk->private_data; - - geo->heads = p->head; - geo->sectors = p->sect; - geo->cylinders = p->cyl; - return 0; -} - -static void ps2esdi_reset_timer(unsigned long unused) -{ - - int status; - - status = inb(ESDI_INTRPT); - if ((status & 0xf) == INT_RESET) { - outb((status & 0xe0) | ATT_EOI, ESDI_ATTN); - outb(CTRL_ENABLE_INTR, ESDI_CONTROL); - reset_status = 1; - } - wake_up(&ps2esdi_int); -} diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c index 9e61fca4611..41ca721d252 100644 --- a/drivers/block/viodasd.c +++ b/drivers/block/viodasd.c @@ -528,8 +528,7 @@ static int block_event_to_scatterlist(const struct vioblocklpevent *bevent, numsg = VIOMAXBLOCKDMA; *total_len = 0; - memset(sg, 0, sizeof(sg[0]) * VIOMAXBLOCKDMA); - + sg_init_table(sg, VIOMAXBLOCKDMA); for (i = 0; (i < numsg) && (rw_data->dma_info[i].len > 0); ++i) { sg_dma_address(&sg[i]) = rw_data->dma_info[i].token; sg_dma_len(&sg[i]) = rw_data->dma_info[i].len; diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 3b1a68d6edd..0cfbe8c594a 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -238,6 +238,7 @@ static int virtblk_probe(struct virtio_device *vdev) vblk->disk->first_minor = index_to_minor(index); vblk->disk->private_data = vblk; vblk->disk->fops = &virtblk_fops; + vblk->disk->driverfs_dev = &vdev->dev; index++; /* If barriers are supported, tell block layer that queue is ordered */ diff --git a/drivers/bluetooth/hci_usb.c b/drivers/bluetooth/hci_usb.c index f16c94cbf48..8b884f87d8b 100644 --- a/drivers/bluetooth/hci_usb.c +++ b/drivers/bluetooth/hci_usb.c @@ -149,6 +149,9 @@ static struct usb_device_id blacklist_ids[] = { { USB_DEVICE(0x0400, 0x0807), .driver_info = HCI_BROKEN_ISOC }, { USB_DEVICE(0x0400, 0x080a), .driver_info = HCI_BROKEN_ISOC }, + /* CONWISE Technology based adapters with buggy SCO support */ + { USB_DEVICE(0x0e5e, 0x6622), .driver_info = HCI_BROKEN_ISOC }, + /* Belkin F8T012 and F8T013 devices */ { USB_DEVICE(0x050d, 0x0012), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, { USB_DEVICE(0x050d, 0x0013), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, diff --git a/drivers/char/drm/ati_pcigart.c b/drivers/char/drm/ati_pcigart.c index d352dbb4ccf..e5a0e97cfdd 100644 --- a/drivers/char/drm/ati_pcigart.c +++ b/drivers/char/drm/ati_pcigart.c @@ -35,42 +35,23 @@ # define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */ -static void *drm_ati_alloc_pcigart_table(int order) +static int drm_ati_alloc_pcigart_table(struct drm_device *dev, + struct drm_ati_pcigart_info *gart_info) { - unsigned long address; - struct page *page; - int i; - - DRM_DEBUG("%d order\n", order); - - address = __get_free_pages(GFP_KERNEL | __GFP_COMP, - order); - if (address == 0UL) { - return NULL; - } - - page = virt_to_page(address); + gart_info->table_handle = drm_pci_alloc(dev, gart_info->table_size, + PAGE_SIZE, + gart_info->table_mask); + if (gart_info->table_handle == NULL) + return -ENOMEM; - for (i = 0; i < order; i++, page++) - SetPageReserved(page); - - DRM_DEBUG("returning 0x%08lx\n", address); - return (void *)address; + return 0; } -static void drm_ati_free_pcigart_table(void *address, int order) +static void drm_ati_free_pcigart_table(struct drm_device *dev, + struct drm_ati_pcigart_info *gart_info) { - struct page *page; - int i; - int num_pages = 1 << order; - DRM_DEBUG("\n"); - - page = virt_to_page((unsigned long)address); - - for (i = 0; i < num_pages; i++, page++) - ClearPageReserved(page); - - free_pages((unsigned long)address, order); + drm_pci_free(dev, gart_info->table_handle); + gart_info->table_handle = NULL; } int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info) @@ -78,8 +59,7 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info struct drm_sg_mem *entry = dev->sg; unsigned long pages; int i; - int order; - int num_pages, max_pages; + int max_pages; /* we need to support large memory configurations */ if (!entry) { @@ -87,15 +67,7 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info return 0; } - order = drm_order((gart_info->table_size + (PAGE_SIZE-1)) / PAGE_SIZE); - num_pages = 1 << order; - if (gart_info->bus_addr) { - if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { - pci_unmap_single(dev->pdev, gart_info->bus_addr, - num_pages * PAGE_SIZE, - PCI_DMA_TODEVICE); - } max_pages = (gart_info->table_size / sizeof(u32)); pages = (entry->pages <= max_pages) @@ -112,10 +84,9 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info gart_info->bus_addr = 0; } - if (gart_info->gart_table_location == DRM_ATI_GART_MAIN - && gart_info->addr) { - drm_ati_free_pcigart_table(gart_info->addr, order); - gart_info->addr = NULL; + if (gart_info->gart_table_location == DRM_ATI_GART_MAIN && + gart_info->table_handle) { + drm_ati_free_pcigart_table(dev, gart_info); } return 1; @@ -127,11 +98,10 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga struct drm_sg_mem *entry = dev->sg; void *address = NULL; unsigned long pages; - u32 *pci_gart, page_base, bus_address = 0; + u32 *pci_gart, page_base; + dma_addr_t bus_address = 0; int i, j, ret = 0; - int order; int max_pages; - int num_pages; if (!entry) { DRM_ERROR("no scatter/gather memory!\n"); @@ -141,31 +111,14 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n"); - order = drm_order((gart_info->table_size + - (PAGE_SIZE-1)) / PAGE_SIZE); - num_pages = 1 << order; - address = drm_ati_alloc_pcigart_table(order); - if (!address) { + ret = drm_ati_alloc_pcigart_table(dev, gart_info); + if (ret) { DRM_ERROR("cannot allocate PCI GART page!\n"); goto done; } - if (!dev->pdev) { - DRM_ERROR("PCI device unknown!\n"); - goto done; - } - - bus_address = pci_map_single(dev->pdev, address, - num_pages * PAGE_SIZE, - PCI_DMA_TODEVICE); - if (bus_address == 0) { - DRM_ERROR("unable to map PCIGART pages!\n"); - order = drm_order((gart_info->table_size + - (PAGE_SIZE-1)) / PAGE_SIZE); - drm_ati_free_pcigart_table(address, order); - address = NULL; - goto done; - } + address = gart_info->table_handle->vaddr; + bus_address = gart_info->table_handle->busaddr; } else { address = gart_info->addr; bus_address = gart_info->bus_addr; diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index a6789f25009..8ea9dd1717a 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -54,6 +54,7 @@ #include <linux/pci.h> #include <linux/jiffies.h> #include <linux/smp_lock.h> /* For (un)lock_kernel */ +#include <linux/dma-mapping.h> #include <linux/mm.h> #include <linux/cdev.h> #include <linux/mutex.h> @@ -551,6 +552,8 @@ struct drm_ati_pcigart_info { int gart_reg_if; void *addr; dma_addr_t bus_addr; + dma_addr_t table_mask; + struct drm_dma_handle *table_handle; drm_local_map_t mapping; int table_size; }; diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c index 3992f73299c..f09d4b5002b 100644 --- a/drivers/char/drm/drm_fops.c +++ b/drivers/char/drm/drm_fops.c @@ -326,6 +326,7 @@ int drm_release(struct inode *inode, struct file *filp) struct drm_file *file_priv = filp->private_data; struct drm_device *dev = file_priv->head->dev; int retcode = 0; + unsigned long irqflags; lock_kernel(); @@ -357,9 +358,11 @@ int drm_release(struct inode *inode, struct file *filp) */ do{ - spin_lock(&dev->lock.spinlock); + spin_lock_irqsave(&dev->lock.spinlock, + irqflags); locked = dev->lock.idle_has_lock; - spin_unlock(&dev->lock.spinlock); + spin_unlock_irqrestore(&dev->lock.spinlock, + irqflags); if (locked) break; schedule(); diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c index bea2a7d5b2b..12dcdd1832f 100644 --- a/drivers/char/drm/drm_lock.c +++ b/drivers/char/drm/drm_lock.c @@ -53,6 +53,7 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) DECLARE_WAITQUEUE(entry, current); struct drm_lock *lock = data; int ret = 0; + unsigned long irqflags; ++file_priv->lock_count; @@ -71,9 +72,9 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) return -EINVAL; add_wait_queue(&dev->lock.lock_queue, &entry); - spin_lock(&dev->lock.spinlock); + spin_lock_irqsave(&dev->lock.spinlock, irqflags); dev->lock.user_waiters++; - spin_unlock(&dev->lock.spinlock); + spin_unlock_irqrestore(&dev->lock.spinlock, irqflags); for (;;) { __set_current_state(TASK_INTERRUPTIBLE); if (!dev->lock.hw_lock) { @@ -95,9 +96,9 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) break; } } - spin_lock(&dev->lock.spinlock); + spin_lock_irqsave(&dev->lock.spinlock, irqflags); dev->lock.user_waiters--; - spin_unlock(&dev->lock.spinlock); + spin_unlock_irqrestore(&dev->lock.spinlock, irqflags); __set_current_state(TASK_RUNNING); remove_wait_queue(&dev->lock.lock_queue, &entry); @@ -198,8 +199,9 @@ int drm_lock_take(struct drm_lock_data *lock_data, { unsigned int old, new, prev; volatile unsigned int *lock = &lock_data->hw_lock->lock; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); do { old = *lock; if (old & _DRM_LOCK_HELD) @@ -211,7 +213,7 @@ int drm_lock_take(struct drm_lock_data *lock_data, } prev = cmpxchg(lock, old, new); } while (prev != old); - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); if (_DRM_LOCKING_CONTEXT(old) == context) { if (old & _DRM_LOCK_HELD) { @@ -272,15 +274,16 @@ int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context) { unsigned int old, new, prev; volatile unsigned int *lock = &lock_data->hw_lock->lock; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); if (lock_data->kernel_waiters != 0) { drm_lock_transfer(lock_data, 0); lock_data->idle_has_lock = 1; - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); return 1; } - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); do { old = *lock; @@ -344,19 +347,20 @@ static int drm_notifier(void *priv) void drm_idlelock_take(struct drm_lock_data *lock_data) { int ret = 0; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); lock_data->kernel_waiters++; if (!lock_data->idle_has_lock) { - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); ret = drm_lock_take(lock_data, DRM_KERNEL_CONTEXT); - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); if (ret == 1) lock_data->idle_has_lock = 1; } - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); } EXPORT_SYMBOL(drm_idlelock_take); @@ -364,8 +368,9 @@ void drm_idlelock_release(struct drm_lock_data *lock_data) { unsigned int old, prev; volatile unsigned int *lock = &lock_data->hw_lock->lock; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); if (--lock_data->kernel_waiters == 0) { if (lock_data->idle_has_lock) { do { @@ -376,7 +381,7 @@ void drm_idlelock_release(struct drm_lock_data *lock_data) lock_data->idle_has_lock = 0; } } - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); } EXPORT_SYMBOL(drm_idlelock_release); diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h index 715b361f0c2..a6a499f97e2 100644 --- a/drivers/char/drm/drm_pciids.h +++ b/drivers/char/drm/drm_pciids.h @@ -205,9 +205,9 @@ {0x1002, 0x71D6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x71DA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_NEW_MEMMAP}, \ {0x1002, 0x71DE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ - {0x1002, 0x7200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_NEW_MEMMAP}, \ - {0x1002, 0x7210, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ - {0x1002, 0x7211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x7200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x7210, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x7211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7243, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7244, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \ @@ -238,6 +238,7 @@ {0x1002, 0x7834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x791e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \ + {0x1002, 0x791f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \ {0, 0, 0} #define r128_PCI_IDS \ diff --git a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c index 892e0a58984..f36adbd3aaf 100644 --- a/drivers/char/drm/r128_cce.c +++ b/drivers/char/drm/r128_cce.c @@ -558,6 +558,7 @@ static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init) #if __OS_HAS_AGP if (dev_priv->is_pci) { #endif + dev_priv->gart_info.table_mask = DMA_BIT_MASK(32); dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN; dev_priv->gart_info.table_size = R128_PCIGART_TABLE_SIZE; dev_priv->gart_info.addr = NULL; diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c index 833abc7e55f..9072e4a1894 100644 --- a/drivers/char/drm/radeon_cp.c +++ b/drivers/char/drm/radeon_cp.c @@ -1807,6 +1807,7 @@ static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init) } else #endif { + dev_priv->gart_info.table_mask = DMA_BIT_MASK(32); /* if we have an offset set from userspace */ if (dev_priv->pcigart_offset_set) { dev_priv->gart_info.bus_addr = diff --git a/drivers/char/drm/via_dma.c b/drivers/char/drm/via_dma.c index 94baec692b5..7a339dba6a6 100644 --- a/drivers/char/drm/via_dma.c +++ b/drivers/char/drm/via_dma.c @@ -126,6 +126,8 @@ via_cmdbuf_wait(drm_via_private_t * dev_priv, unsigned int size) hw_addr, cur_addr, next_addr); return -1; } + if ((cur_addr < hw_addr) && (next_addr >= hw_addr)) + msleep(1); } while ((cur_addr < hw_addr) && (next_addr >= hw_addr)); return 0; } @@ -416,27 +418,50 @@ static int via_hook_segment(drm_via_private_t * dev_priv, int paused, count; volatile uint32_t *paused_at = dev_priv->last_pause_ptr; uint32_t reader,ptr; + uint32_t diff; paused = 0; via_flush_write_combine(); (void) *(volatile uint32_t *)(via_get_dma(dev_priv) -1); + *paused_at = pause_addr_lo; via_flush_write_combine(); (void) *paused_at; + reader = *(dev_priv->hw_addr_ptr); ptr = ((volatile char *)paused_at - dev_priv->dma_ptr) + dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr + 4; + dev_priv->last_pause_ptr = via_get_dma(dev_priv) - 1; - if ((ptr - reader) <= dev_priv->dma_diff ) { - count = 10000000; - while (!(paused = (VIA_READ(0x41c) & 0x80000000)) && count--); + /* + * If there is a possibility that the command reader will + * miss the new pause address and pause on the old one, + * In that case we need to program the new start address + * using PCI. + */ + + diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff; + count = 10000000; + while(diff == 0 && count--) { + paused = (VIA_READ(0x41c) & 0x80000000); + if (paused) + break; + reader = *(dev_priv->hw_addr_ptr); + diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff; } + paused = VIA_READ(0x41c) & 0x80000000; + if (paused && !no_pci_fire) { reader = *(dev_priv->hw_addr_ptr); - if ((ptr - reader) == dev_priv->dma_diff) { - + diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff; + diff &= (dev_priv->dma_high - 1); + if (diff != 0 && diff < (dev_priv->dma_high >> 1)) { + DRM_ERROR("Paused at incorrect address. " + "0x%08x, 0x%08x 0x%08x\n", + ptr, reader, dev_priv->dma_diff); + } else if (diff == 0) { /* * There is a concern that these writes may stall the PCI bus * if the GPU is not idle. However, idling the GPU first @@ -577,6 +602,7 @@ static void via_cmdbuf_jump(drm_via_private_t * dev_priv) uint32_t pause_addr_lo, pause_addr_hi; uint32_t jump_addr_lo, jump_addr_hi; volatile uint32_t *last_pause_ptr; + uint32_t dma_low_save1, dma_low_save2; agp_base = dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr; via_align_cmd(dev_priv, HC_HAGPBpID_JUMP, 0, &jump_addr_hi, @@ -603,8 +629,29 @@ static void via_cmdbuf_jump(drm_via_private_t * dev_priv) &pause_addr_lo, 0); *last_pause_ptr = pause_addr_lo; + dma_low_save1 = dev_priv->dma_low; - via_hook_segment( dev_priv, jump_addr_hi, jump_addr_lo, 0); + /* + * Now, set a trap that will pause the regulator if it tries to rerun the old + * command buffer. (Which may happen if via_hook_segment detecs a command regulator pause + * and reissues the jump command over PCI, while the regulator has already taken the jump + * and actually paused at the current buffer end). + * There appears to be no other way to detect this condition, since the hw_addr_pointer + * does not seem to get updated immediately when a jump occurs. + */ + + last_pause_ptr = + via_align_cmd(dev_priv, HC_HAGPBpID_PAUSE, 0, &pause_addr_hi, + &pause_addr_lo, 0) - 1; + via_align_cmd(dev_priv, HC_HAGPBpID_PAUSE, 0, &pause_addr_hi, + &pause_addr_lo, 0); + *last_pause_ptr = pause_addr_lo; + + dma_low_save2 = dev_priv->dma_low; + dev_priv->dma_low = dma_low_save1; + via_hook_segment(dev_priv, jump_addr_hi, jump_addr_lo, 0); + dev_priv->dma_low = dma_low_save2; + via_hook_segment(dev_priv, pause_addr_hi, pause_addr_lo, 0); } diff --git a/drivers/char/drm/via_dmablit.c b/drivers/char/drm/via_dmablit.c index 33c5197b73c..409e00afdd0 100644 --- a/drivers/char/drm/via_dmablit.c +++ b/drivers/char/drm/via_dmablit.c @@ -603,7 +603,7 @@ via_build_sg_info(struct drm_device *dev, drm_via_sg_info_t *vsg, drm_via_dmabli * (Not a big limitation anyway.) */ - if ((xfer->mem_stride - xfer->line_length) >= PAGE_SIZE) { + if ((xfer->mem_stride - xfer->line_length) > 2*PAGE_SIZE) { DRM_ERROR("Too large system memory stride. Stride: %d, " "Length: %d\n", xfer->mem_stride, xfer->line_length); return -EINVAL; diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index 589ac6f65b9..3f9d0a9ac36 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -1709,7 +1709,7 @@ static int __init riscom8_init_module (void) if (iobase || iobase1 || iobase2 || iobase3) { for(i = 0; i < RC_NBOARD; i++) - rc_board[0].base = 0; + rc_board[i].base = 0; } if (iobase) diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 29965231b91..8db0e7f9d3f 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -357,7 +357,7 @@ int dma_async_device_register(struct dma_device *device) !device->device_prep_dma_zero_sum); BUG_ON(dma_has_cap(DMA_MEMSET, device->cap_mask) && !device->device_prep_dma_memset); - BUG_ON(dma_has_cap(DMA_ZERO_SUM, device->cap_mask) && + BUG_ON(dma_has_cap(DMA_INTERRUPT, device->cap_mask) && !device->device_prep_dma_interrupt); BUG_ON(!device->device_alloc_chan_resources); diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index cc9a68158d9..ad2f938597e 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -57,12 +57,12 @@ static void dma_init(struct fsl_dma_chan *fsl_chan) } -static void set_sr(struct fsl_dma_chan *fsl_chan, dma_addr_t val) +static void set_sr(struct fsl_dma_chan *fsl_chan, u32 val) { DMA_OUT(fsl_chan, &fsl_chan->reg_base->sr, val, 32); } -static dma_addr_t get_sr(struct fsl_dma_chan *fsl_chan) +static u32 get_sr(struct fsl_dma_chan *fsl_chan) { return DMA_IN(fsl_chan, &fsl_chan->reg_base->sr, 32); } @@ -406,6 +406,32 @@ static void fsl_dma_free_chan_resources(struct dma_chan *chan) dma_pool_destroy(fsl_chan->desc_pool); } +static struct dma_async_tx_descriptor * +fsl_dma_prep_interrupt(struct dma_chan *chan) +{ + struct fsl_dma_chan *fsl_chan; + struct fsl_desc_sw *new; + + if (!chan) + return NULL; + + fsl_chan = to_fsl_chan(chan); + + new = fsl_dma_alloc_descriptor(fsl_chan); + if (!new) { + dev_err(fsl_chan->dev, "No free memory for link descriptor\n"); + return NULL; + } + + new->async_tx.cookie = -EBUSY; + new->async_tx.ack = 0; + + /* Set End-of-link to the last link descriptor of new list*/ + set_ld_eol(fsl_chan, new); + + return &new->async_tx; +} + static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy( struct dma_chan *chan, dma_addr_t dma_dest, dma_addr_t dma_src, size_t len, unsigned long flags) @@ -436,7 +462,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy( dev_dbg(fsl_chan->dev, "new link desc alloc %p\n", new); #endif - copy = min(len, FSL_DMA_BCR_MAX_CNT); + copy = min(len, (size_t)FSL_DMA_BCR_MAX_CNT); set_desc_cnt(fsl_chan, &new->hw, copy); set_desc_src(fsl_chan, &new->hw, dma_src); @@ -513,7 +539,6 @@ static void fsl_chan_ld_cleanup(struct fsl_dma_chan *fsl_chan) spin_lock_irqsave(&fsl_chan->desc_lock, flags); - fsl_dma_update_completed_cookie(fsl_chan); dev_dbg(fsl_chan->dev, "chan completed_cookie = %d\n", fsl_chan->completed_cookie); list_for_each_entry_safe(desc, _desc, &fsl_chan->ld_queue, node) { @@ -581,8 +606,8 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan) if (ld_node != &fsl_chan->ld_queue) { /* Get the ld start address from ld_queue */ next_dest_addr = to_fsl_desc(ld_node)->async_tx.phys; - dev_dbg(fsl_chan->dev, "xfer LDs staring from 0x%016llx\n", - (u64)next_dest_addr); + dev_dbg(fsl_chan->dev, "xfer LDs staring from %p\n", + (void *)next_dest_addr); set_cdar(fsl_chan, next_dest_addr); dma_start(fsl_chan); } else { @@ -662,7 +687,7 @@ static enum dma_status fsl_dma_is_complete(struct dma_chan *chan, static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data) { struct fsl_dma_chan *fsl_chan = (struct fsl_dma_chan *)data; - dma_addr_t stat; + u32 stat; stat = get_sr(fsl_chan); dev_dbg(fsl_chan->dev, "event: channel %d, stat = 0x%x\n", @@ -681,10 +706,10 @@ static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data) */ if (stat & FSL_DMA_SR_EOSI) { dev_dbg(fsl_chan->dev, "event: End-of-segments INT\n"); - dev_dbg(fsl_chan->dev, "event: clndar 0x%016llx, " - "nlndar 0x%016llx\n", (u64)get_cdar(fsl_chan), - (u64)get_ndar(fsl_chan)); + dev_dbg(fsl_chan->dev, "event: clndar %p, nlndar %p\n", + (void *)get_cdar(fsl_chan), (void *)get_ndar(fsl_chan)); stat &= ~FSL_DMA_SR_EOSI; + fsl_dma_update_completed_cookie(fsl_chan); } /* If it current transfer is the end-of-transfer, @@ -726,12 +751,15 @@ static void dma_do_tasklet(unsigned long data) fsl_chan_ld_cleanup(fsl_chan); } +#ifdef FSL_DMA_CALLBACKTEST static void fsl_dma_callback_test(struct fsl_dma_chan *fsl_chan) { if (fsl_chan) dev_info(fsl_chan->dev, "selftest: callback is ok!\n"); } +#endif +#ifdef CONFIG_FSL_DMA_SELFTEST static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan) { struct dma_chan *chan; @@ -837,9 +865,9 @@ static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan) if (err) { for (i = 0; (*(src + i) == *(dest + i)) && (i < test_size); i++); - dev_err(fsl_chan->dev, "selftest: Test failed, data %d/%d is " + dev_err(fsl_chan->dev, "selftest: Test failed, data %d/%ld is " "error! src 0x%x, dest 0x%x\n", - i, test_size, *(src + i), *(dest + i)); + i, (long)test_size, *(src + i), *(dest + i)); } free_resources: @@ -848,6 +876,7 @@ out: kfree(src); return err; } +#endif static int __devinit of_fsl_dma_chan_probe(struct of_device *dev, const struct of_device_id *match) @@ -1008,8 +1037,8 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev, } dev_info(&dev->dev, "Probe the Freescale DMA driver for %s " - "controller at 0x%08x...\n", - match->compatible, fdev->reg.start); + "controller at %p...\n", + match->compatible, (void *)fdev->reg.start); fdev->reg_base = ioremap(fdev->reg.start, fdev->reg.end - fdev->reg.start + 1); @@ -1017,6 +1046,7 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev, dma_cap_set(DMA_INTERRUPT, fdev->common.cap_mask); fdev->common.device_alloc_chan_resources = fsl_dma_alloc_chan_resources; fdev->common.device_free_chan_resources = fsl_dma_free_chan_resources; + fdev->common.device_prep_dma_interrupt = fsl_dma_prep_interrupt; fdev->common.device_prep_dma_memcpy = fsl_dma_prep_memcpy; fdev->common.device_is_tx_complete = fsl_dma_is_complete; fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending; diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c index 3986d54492b..f82b0906d46 100644 --- a/drivers/dma/iop-adma.c +++ b/drivers/dma/iop-adma.c @@ -140,7 +140,7 @@ static void __iop_adma_slot_cleanup(struct iop_adma_chan *iop_chan) int busy = iop_chan_is_busy(iop_chan); int seen_current = 0, slot_cnt = 0, slots_per_op = 0; - dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(iop_chan->device->common.dev, "%s\n", __func__); /* free completed slots from the chain starting with * the oldest descriptor */ @@ -438,7 +438,7 @@ iop_adma_tx_submit(struct dma_async_tx_descriptor *tx) spin_unlock_bh(&iop_chan->lock); dev_dbg(iop_chan->device->common.dev, "%s cookie: %d slot: %d\n", - __FUNCTION__, sw_desc->async_tx.cookie, sw_desc->idx); + __func__, sw_desc->async_tx.cookie, sw_desc->idx); return cookie; } @@ -520,7 +520,7 @@ iop_adma_prep_dma_interrupt(struct dma_chan *chan) struct iop_adma_desc_slot *sw_desc, *grp_start; int slot_cnt, slots_per_op; - dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(iop_chan->device->common.dev, "%s\n", __func__); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_interrupt_slot_count(&slots_per_op, iop_chan); @@ -548,7 +548,7 @@ iop_adma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dma_dest, BUG_ON(unlikely(len > IOP_ADMA_MAX_BYTE_COUNT)); dev_dbg(iop_chan->device->common.dev, "%s len: %u\n", - __FUNCTION__, len); + __func__, len); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_memcpy_slot_count(len, &slots_per_op); @@ -580,7 +580,7 @@ iop_adma_prep_dma_memset(struct dma_chan *chan, dma_addr_t dma_dest, BUG_ON(unlikely(len > IOP_ADMA_MAX_BYTE_COUNT)); dev_dbg(iop_chan->device->common.dev, "%s len: %u\n", - __FUNCTION__, len); + __func__, len); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_memset_slot_count(len, &slots_per_op); @@ -614,7 +614,7 @@ iop_adma_prep_dma_xor(struct dma_chan *chan, dma_addr_t dma_dest, dev_dbg(iop_chan->device->common.dev, "%s src_cnt: %d len: %u flags: %lx\n", - __FUNCTION__, src_cnt, len, flags); + __func__, src_cnt, len, flags); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_xor_slot_count(len, src_cnt, &slots_per_op); @@ -648,7 +648,7 @@ iop_adma_prep_dma_zero_sum(struct dma_chan *chan, dma_addr_t *dma_src, return NULL; dev_dbg(iop_chan->device->common.dev, "%s src_cnt: %d len: %u\n", - __FUNCTION__, src_cnt, len); + __func__, src_cnt, len); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_zero_sum_slot_count(len, src_cnt, &slots_per_op); @@ -659,7 +659,7 @@ iop_adma_prep_dma_zero_sum(struct dma_chan *chan, dma_addr_t *dma_src, iop_desc_set_zero_sum_byte_count(grp_start, len); grp_start->xor_check_result = result; pr_debug("\t%s: grp_start->xor_check_result: %p\n", - __FUNCTION__, grp_start->xor_check_result); + __func__, grp_start->xor_check_result); sw_desc->unmap_src_cnt = src_cnt; sw_desc->unmap_len = len; while (src_cnt--) @@ -700,7 +700,7 @@ static void iop_adma_free_chan_resources(struct dma_chan *chan) iop_chan->last_used = NULL; dev_dbg(iop_chan->device->common.dev, "%s slots_allocated %d\n", - __FUNCTION__, iop_chan->slots_allocated); + __func__, iop_chan->slots_allocated); spin_unlock_bh(&iop_chan->lock); /* one is ok since we left it on there on purpose */ @@ -753,7 +753,7 @@ static irqreturn_t iop_adma_eot_handler(int irq, void *data) { struct iop_adma_chan *chan = data; - dev_dbg(chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(chan->device->common.dev, "%s\n", __func__); tasklet_schedule(&chan->irq_tasklet); @@ -766,7 +766,7 @@ static irqreturn_t iop_adma_eoc_handler(int irq, void *data) { struct iop_adma_chan *chan = data; - dev_dbg(chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(chan->device->common.dev, "%s\n", __func__); tasklet_schedule(&chan->irq_tasklet); @@ -823,7 +823,7 @@ static int __devinit iop_adma_memcpy_self_test(struct iop_adma_device *device) int err = 0; struct iop_adma_chan *iop_chan; - dev_dbg(device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(device->common.dev, "%s\n", __func__); src = kzalloc(sizeof(u8) * IOP_ADMA_TEST_SIZE, GFP_KERNEL); if (!src) @@ -906,7 +906,7 @@ iop_adma_xor_zero_sum_self_test(struct iop_adma_device *device) int err = 0; struct iop_adma_chan *iop_chan; - dev_dbg(device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(device->common.dev, "%s\n", __func__); for (src_idx = 0; src_idx < IOP_ADMA_NUM_SRC_TEST; src_idx++) { xor_srcs[src_idx] = alloc_page(GFP_KERNEL); @@ -1159,7 +1159,7 @@ static int __devinit iop_adma_probe(struct platform_device *pdev) } dev_dbg(&pdev->dev, "%s: allocted descriptor pool virt %p phys %p\n", - __FUNCTION__, adev->dma_desc_pool_virt, + __func__, adev->dma_desc_pool_virt, (void *) adev->dma_desc_pool); adev->id = plat_data->hw_id; @@ -1289,7 +1289,7 @@ static void iop_chan_start_null_memcpy(struct iop_adma_chan *iop_chan) dma_cookie_t cookie; int slot_cnt, slots_per_op; - dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(iop_chan->device->common.dev, "%s\n", __func__); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_memcpy_slot_count(0, &slots_per_op); @@ -1346,7 +1346,7 @@ static void iop_chan_start_null_xor(struct iop_adma_chan *iop_chan) dma_cookie_t cookie; int slot_cnt, slots_per_op; - dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__); + dev_dbg(iop_chan->device->common.dev, "%s\n", __func__); spin_lock_bh(&iop_chan->lock); slot_cnt = iop_chan_xor_slot_count(0, 2, &slots_per_op); diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig index fe9e768cfbc..25bdc2dd9ce 100644 --- a/drivers/firewire/Kconfig +++ b/drivers/firewire/Kconfig @@ -1,5 +1,3 @@ -# -*- shell-script -*- - comment "An alternative FireWire stack is available with EXPERIMENTAL=y" depends on EXPERIMENTAL=n @@ -21,27 +19,7 @@ config FIREWIRE NOTE: You should only build ONE of the stacks, unless you REALLY know what - you are doing. If you install both, you should configure them only as - modules rather than link them statically, and you should blacklist one - of the concurrent low-level drivers in /etc/modprobe.conf. Add either - - blacklist firewire-ohci - or - blacklist ohci1394 - - there depending on which driver you DON'T want to have auto-loaded. - You can optionally do the same with the other IEEE 1394/ FireWire - drivers. - - If you have an old modprobe which doesn't implement the blacklist - directive, use either - - install firewire-ohci /bin/true - or - install ohci1394 /bin/true - - and so on, depending on which modules you DON't want to have - auto-loaded. + you are doing. config FIREWIRE_OHCI tristate "Support for OHCI FireWire host controllers" @@ -57,8 +35,24 @@ config FIREWIRE_OHCI NOTE: - If you also build ohci1394 of the classic stack, blacklist either - ohci1394 or firewire-ohci to let hotplug load only the desired driver. + You should only build ohci1394 or firewire-ohci, but not both. + If you nevertheless want to install both, you should configure them + only as modules and blacklist the driver(s) which you don't want to + have auto-loaded. Add either + + blacklist firewire-ohci + or + blacklist ohci1394 + blacklist video1394 + blacklist dv1394 + + to /etc/modprobe.conf or /etc/modprobe.d/* and update modprobe.conf + depending on your distribution. The latter two modules should be + blacklisted together with ohci1394 because they depend on ohci1394. + + If you have an old modprobe which doesn't implement the blacklist + directive, use "install modulename /bin/true" for the modules to be + blacklisted. config FIREWIRE_SBP2 tristate "Support for storage devices (SBP-2 protocol driver)" @@ -75,9 +69,3 @@ config FIREWIRE_SBP2 You should also enable support for disks, CD-ROMs, etc. in the SCSI configuration section. - - NOTE: - - If you also build sbp2 of the classic stack, blacklist either sbp2 - or firewire-sbp2 to let hotplug load only the desired driver. - diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index 7ebad3c14cb..996d61f0d46 100644 --- a/drivers/firewire/fw-ohci.c +++ b/drivers/firewire/fw-ohci.c @@ -33,6 +33,10 @@ #include <asm/page.h> #include <asm/system.h> +#ifdef CONFIG_PPC_PMAC +#include <asm/pmac_feature.h> +#endif + #include "fw-ohci.h" #include "fw-transaction.h" @@ -175,6 +179,7 @@ struct fw_ohci { int generation; int request_generation; u32 bus_seconds; + bool old_uninorth; /* * Spinlock for accessing fw_ohci data. Never call out of @@ -276,19 +281,13 @@ static int ar_context_add_page(struct ar_context *ctx) { struct device *dev = ctx->ohci->card.device; struct ar_buffer *ab; - dma_addr_t ab_bus; + dma_addr_t uninitialized_var(ab_bus); size_t offset; - ab = (struct ar_buffer *) __get_free_page(GFP_ATOMIC); + ab = dma_alloc_coherent(dev, PAGE_SIZE, &ab_bus, GFP_ATOMIC); if (ab == NULL) return -ENOMEM; - ab_bus = dma_map_single(dev, ab, PAGE_SIZE, DMA_BIDIRECTIONAL); - if (dma_mapping_error(ab_bus)) { - free_page((unsigned long) ab); - return -ENOMEM; - } - memset(&ab->descriptor, 0, sizeof(ab->descriptor)); ab->descriptor.control = cpu_to_le16(DESCRIPTOR_INPUT_MORE | DESCRIPTOR_STATUS | @@ -299,8 +298,6 @@ static int ar_context_add_page(struct ar_context *ctx) ab->descriptor.res_count = cpu_to_le16(PAGE_SIZE - offset); ab->descriptor.branch_address = 0; - dma_sync_single_for_device(dev, ab_bus, PAGE_SIZE, DMA_BIDIRECTIONAL); - ctx->last_buffer->descriptor.branch_address = cpu_to_le32(ab_bus | 1); ctx->last_buffer->next = ab; ctx->last_buffer = ab; @@ -311,15 +308,22 @@ static int ar_context_add_page(struct ar_context *ctx) return 0; } +#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32) +#define cond_le32_to_cpu(v) \ + (ohci->old_uninorth ? (__force __u32)(v) : le32_to_cpu(v)) +#else +#define cond_le32_to_cpu(v) le32_to_cpu(v) +#endif + static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) { struct fw_ohci *ohci = ctx->ohci; struct fw_packet p; u32 status, length, tcode; - p.header[0] = le32_to_cpu(buffer[0]); - p.header[1] = le32_to_cpu(buffer[1]); - p.header[2] = le32_to_cpu(buffer[2]); + p.header[0] = cond_le32_to_cpu(buffer[0]); + p.header[1] = cond_le32_to_cpu(buffer[1]); + p.header[2] = cond_le32_to_cpu(buffer[2]); tcode = (p.header[0] >> 4) & 0x0f; switch (tcode) { @@ -331,7 +335,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) break; case TCODE_READ_BLOCK_REQUEST : - p.header[3] = le32_to_cpu(buffer[3]); + p.header[3] = cond_le32_to_cpu(buffer[3]); p.header_length = 16; p.payload_length = 0; break; @@ -340,7 +344,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) case TCODE_READ_BLOCK_RESPONSE: case TCODE_LOCK_REQUEST: case TCODE_LOCK_RESPONSE: - p.header[3] = le32_to_cpu(buffer[3]); + p.header[3] = cond_le32_to_cpu(buffer[3]); p.header_length = 16; p.payload_length = p.header[3] >> 16; break; @@ -357,7 +361,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) /* FIXME: What to do about evt_* errors? */ length = (p.header_length + p.payload_length + 3) / 4; - status = le32_to_cpu(buffer[length]); + status = cond_le32_to_cpu(buffer[length]); p.ack = ((status >> 16) & 0x1f) - 16; p.speed = (status >> 21) & 0x7; @@ -375,7 +379,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) */ if (p.ack + 16 == 0x09) - ohci->request_generation = (buffer[2] >> 16) & 0xff; + ohci->request_generation = (p.header[2] >> 16) & 0xff; else if (ctx == &ohci->ar_request_ctx) fw_core_handle_request(&ohci->card, &p); else @@ -397,6 +401,7 @@ static void ar_context_tasklet(unsigned long data) if (d->res_count == 0) { size_t size, rest, offset; + dma_addr_t buffer_bus; /* * This descriptor is finished and we may have a @@ -405,9 +410,7 @@ static void ar_context_tasklet(unsigned long data) */ offset = offsetof(struct ar_buffer, data); - dma_unmap_single(ohci->card.device, - le32_to_cpu(ab->descriptor.data_address) - offset, - PAGE_SIZE, DMA_BIDIRECTIONAL); + buffer_bus = le32_to_cpu(ab->descriptor.data_address) - offset; buffer = ab; ab = ab->next; @@ -423,7 +426,8 @@ static void ar_context_tasklet(unsigned long data) while (buffer < end) buffer = handle_ar_packet(ctx, buffer); - free_page((unsigned long)buffer); + dma_free_coherent(ohci->card.device, PAGE_SIZE, + buffer, buffer_bus); ar_context_add_page(ctx); } else { buffer = ctx->pointer; @@ -532,7 +536,7 @@ static int context_add_buffer(struct context *ctx) { struct descriptor_buffer *desc; - dma_addr_t bus_addr; + dma_addr_t uninitialized_var(bus_addr); int offset; /* @@ -1022,13 +1026,14 @@ static void bus_reset_tasklet(unsigned long data) */ self_id_count = (reg_read(ohci, OHCI1394_SelfIDCount) >> 3) & 0x3ff; - generation = (le32_to_cpu(ohci->self_id_cpu[0]) >> 16) & 0xff; + generation = (cond_le32_to_cpu(ohci->self_id_cpu[0]) >> 16) & 0xff; rmb(); for (i = 1, j = 0; j < self_id_count; i += 2, j++) { if (ohci->self_id_cpu[i] != ~ohci->self_id_cpu[i + 1]) fw_error("inconsistent self IDs\n"); - ohci->self_id_buffer[j] = le32_to_cpu(ohci->self_id_cpu[i]); + ohci->self_id_buffer[j] = + cond_le32_to_cpu(ohci->self_id_cpu[i]); } rmb(); @@ -1316,7 +1321,7 @@ ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length) unsigned long flags; int retval = -EBUSY; __be32 *next_config_rom; - dma_addr_t next_config_rom_bus; + dma_addr_t uninitialized_var(next_config_rom_bus); ohci = fw_ohci(card); @@ -1487,7 +1492,7 @@ static int handle_ir_dualbuffer_packet(struct context *context, void *p, *end; int i; - if (db->first_res_count > 0 && db->second_res_count > 0) { + if (db->first_res_count != 0 && db->second_res_count != 0) { if (ctx->excess_bytes <= le16_to_cpu(db->second_req_count)) { /* This descriptor isn't done yet, stop iteration. */ return 0; @@ -1513,7 +1518,7 @@ static int handle_ir_dualbuffer_packet(struct context *context, memcpy(ctx->header + i + 4, p + 8, ctx->base.header_size - 4); i += ctx->base.header_size; ctx->excess_bytes += - (le32_to_cpu(*(u32 *)(p + 4)) >> 16) & 0xffff; + (le32_to_cpu(*(__le32 *)(p + 4)) >> 16) & 0xffff; p += ctx->base.header_size + 4; } ctx->header_length = i; @@ -2048,6 +2053,18 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent) int err; size_t size; +#ifdef CONFIG_PPC_PMAC + /* Necessary on some machines if fw-ohci was loaded/ unloaded before */ + if (machine_is(powermac)) { + struct device_node *ofn = pci_device_to_OF_node(dev); + + if (ofn) { + pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 1); + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1); + } + } +#endif /* CONFIG_PPC_PMAC */ + ohci = kzalloc(sizeof(*ohci), GFP_KERNEL); if (ohci == NULL) { fw_error("Could not malloc fw_ohci data.\n"); @@ -2066,6 +2083,10 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent) pci_write_config_dword(dev, OHCI1394_PCI_HCI_Control, 0); pci_set_drvdata(dev, ohci); +#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32) + ohci->old_uninorth = dev->vendor == PCI_VENDOR_ID_APPLE && + dev->device == PCI_DEVICE_ID_APPLE_UNI_N_FW; +#endif spin_lock_init(&ohci->lock); tasklet_init(&ohci->bus_reset_tasklet, @@ -2182,6 +2203,19 @@ static void pci_remove(struct pci_dev *dev) pci_disable_device(dev); fw_card_put(&ohci->card); +#ifdef CONFIG_PPC_PMAC + /* On UniNorth, power down the cable and turn off the chip clock + * to save power on laptops */ + if (machine_is(powermac)) { + struct device_node *ofn = pci_device_to_OF_node(dev); + + if (ofn) { + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0); + pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 0); + } + } +#endif /* CONFIG_PPC_PMAC */ + fw_notify("Removed fw-ohci device.\n"); } @@ -2202,6 +2236,16 @@ static int pci_suspend(struct pci_dev *pdev, pm_message_t state) if (err) fw_error("pci_set_power_state failed with %d\n", err); +/* PowerMac suspend code comes last */ +#ifdef CONFIG_PPC_PMAC + if (machine_is(powermac)) { + struct device_node *ofn = pci_device_to_OF_node(pdev); + + if (ofn) + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0); + } +#endif /* CONFIG_PPC_PMAC */ + return 0; } @@ -2210,6 +2254,16 @@ static int pci_resume(struct pci_dev *pdev) struct fw_ohci *ohci = pci_get_drvdata(pdev); int err; +/* PowerMac resume code comes first */ +#ifdef CONFIG_PPC_PMAC + if (machine_is(powermac)) { + struct device_node *ofn = pci_device_to_OF_node(pdev); + + if (ofn) + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1); + } +#endif /* CONFIG_PPC_PMAC */ + pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); err = pci_enable_device(pdev); diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 03069a454c0..62b4e47d0cc 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -173,6 +173,7 @@ struct sbp2_target { #define SBP2_ORB_TIMEOUT 2000U /* Timeout in ms */ #define SBP2_ORB_NULL 0x80000000 #define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 +#define SBP2_RETRY_LIMIT 0xf /* 15 retries */ #define SBP2_DIRECTION_TO_MEDIA 0x0 #define SBP2_DIRECTION_FROM_MEDIA 0x1 @@ -330,6 +331,11 @@ static const struct { .model = ~0, .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, }, + /* Datafab MD2-FW2 with Symbios/LSILogic SYM13FW500 bridge */ { + .firmware_revision = 0x002600, + .model = ~0, + .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, + }, /* * There are iPods (2nd gen, 3rd gen) with model_id == 0, but @@ -812,6 +818,30 @@ static void sbp2_target_put(struct sbp2_target *tgt) kref_put(&tgt->kref, sbp2_release_target); } +static void +complete_set_busy_timeout(struct fw_card *card, int rcode, + void *payload, size_t length, void *done) +{ + complete(done); +} + +static void sbp2_set_busy_timeout(struct sbp2_logical_unit *lu) +{ + struct fw_device *device = fw_device(lu->tgt->unit->device.parent); + DECLARE_COMPLETION_ONSTACK(done); + struct fw_transaction t; + static __be32 busy_timeout; + + /* FIXME: we should try to set dual-phase cycle_limit too */ + busy_timeout = cpu_to_be32(SBP2_RETRY_LIMIT); + + fw_send_request(device->card, &t, TCODE_WRITE_QUADLET_REQUEST, + lu->tgt->node_id, lu->generation, device->max_speed, + CSR_REGISTER_BASE + CSR_BUSY_TIMEOUT, &busy_timeout, + sizeof(busy_timeout), complete_set_busy_timeout, &done); + wait_for_completion(&done); +} + static void sbp2_reconnect(struct work_struct *work); static void sbp2_login(struct work_struct *work) @@ -864,10 +894,8 @@ static void sbp2_login(struct work_struct *work) fw_notify("%s: logged in to LUN %04x (%d retries)\n", tgt->bus_id, lu->lun, lu->retries); -#if 0 - /* FIXME: The linux1394 sbp2 does this last step. */ - sbp2_set_busy_timeout(scsi_id); -#endif + /* set appropriate retry limit(s) in BUSY_TIMEOUT register */ + sbp2_set_busy_timeout(lu); PREPARE_DELAYED_WORK(&lu->work, sbp2_reconnect); sbp2_agent_reset(lu); diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c index e47bb040197..d2c7a3d7e1c 100644 --- a/drivers/firewire/fw-topology.c +++ b/drivers/firewire/fw-topology.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/wait.h> #include <linux/errno.h> +#include <asm/bug.h> #include <asm/system.h> #include "fw-transaction.h" #include "fw-topology.h" @@ -424,8 +425,8 @@ update_tree(struct fw_card *card, struct fw_node *root) node1 = fw_node(list1.next); while (&node0->link != &list0) { + WARN_ON(node0->port_count != node1->port_count); - /* assert(node0->port_count == node1->port_count); */ if (node0->link_on && !node1->link_on) event = FW_NODE_LINK_OFF; else if (!node0->link_on && node1->link_on) diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c index 7fcc59dedf0..99529e59a0b 100644 --- a/drivers/firewire/fw-transaction.c +++ b/drivers/firewire/fw-transaction.c @@ -751,7 +751,7 @@ handle_topology_map(struct fw_card *card, struct fw_request *request, void *payload, size_t length, void *callback_data) { int i, start, end; - u32 *map; + __be32 *map; if (!TCODE_IS_READ_REQUEST(tcode)) { fw_send_response(card, request, RCODE_TYPE_ERROR); diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h index 09cb7287045..a43bb22912f 100644 --- a/drivers/firewire/fw-transaction.h +++ b/drivers/firewire/fw-transaction.h @@ -86,12 +86,12 @@ static inline void fw_memcpy_from_be32(void *_dst, void *_src, size_t size) { - u32 *dst = _dst; - u32 *src = _src; + u32 *dst = _dst; + __be32 *src = _src; int i; for (i = 0; i < size / 4; i++) - dst[i] = cpu_to_be32(src[i]); + dst[i] = be32_to_cpu(src[i]); } static inline void diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c index 573abe44084..2fa43183d37 100644 --- a/drivers/i2c/busses/i2c-amd756.c +++ b/drivers/i2c/busses/i2c-amd756.c @@ -335,7 +335,7 @@ static int __devinit amd756_probe(struct pci_dev *pdev, u8 temp; /* driver_data might come from user-space, so check it */ - if (id->driver_data > ARRAY_SIZE(chipname)) + if (id->driver_data >= ARRAY_SIZE(chipname)) return -EINVAL; if (amd756_ioport) { diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile index 501f00cea78..e47aca0ca5a 100644 --- a/drivers/i2c/chips/Makefile +++ b/drivers/i2c/chips/Makefile @@ -1,6 +1,13 @@ # # Makefile for miscellaneous I2C chip drivers. # +# Think twice before you add a new driver to this directory. +# Device drivers are better grouped according to the functionality they +# implement rather than to the bus they are connected to. In particular: +# * Hardware monitoring chip drivers go to drivers/hwmon +# * RTC chip drivers go to drivers/rtc +# * I/O expander drivers go to drivers/gpio +# obj-$(CONFIG_DS1682) += ds1682.o obj-$(CONFIG_SENSORS_EEPROM) += eeprom.o diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 96da22e9a5a..fd84b2a3633 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -90,12 +90,16 @@ static int i2c_device_probe(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct i2c_driver *driver = to_i2c_driver(dev->driver); + int status; if (!driver->probe) return -ENODEV; client->driver = driver; dev_dbg(dev, "probe\n"); - return driver->probe(client); + status = driver->probe(client); + if (status) + client->driver = NULL; + return status; } static int i2c_device_remove(struct device *dev) diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 9e2b1964d71..f53f72daae3 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -376,6 +376,11 @@ static const struct { .model_id = SBP2_ROM_VALUE_WILDCARD, .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, }, + /* Datafab MD2-FW2 with Symbios/LSILogic SYM13FW500 bridge */ { + .firmware_revision = 0x002600, + .model_id = SBP2_ROM_VALUE_WILDCARD, + .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, + }, /* iPod 4th generation */ { .firmware_revision = 0x0a2700, .model_id = 0x000021, diff --git a/drivers/infiniband/hw/ipath/ipath_common.h b/drivers/infiniband/hw/ipath/ipath_common.h index 41462109554..591901aab6b 100644 --- a/drivers/infiniband/hw/ipath/ipath_common.h +++ b/drivers/infiniband/hw/ipath/ipath_common.h @@ -75,7 +75,7 @@ #define IPATH_IB_LINKDOWN 0 #define IPATH_IB_LINKARM 1 #define IPATH_IB_LINKACTIVE 2 -#define IPATH_IB_LINKINIT 3 +#define IPATH_IB_LINKDOWN_ONLY 3 #define IPATH_IB_LINKDOWN_SLEEP 4 #define IPATH_IB_LINKDOWN_DISABLE 5 #define IPATH_IB_LINK_LOOPBACK 6 /* enable local loopback */ diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index d5ff6ca2db3..ca4d0acc678 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -851,8 +851,7 @@ void ipath_disarm_piobufs(struct ipath_devdata *dd, unsigned first, * -ETIMEDOUT state can have multiple states set, for any of several * transitions. */ -static int ipath_wait_linkstate(struct ipath_devdata *dd, u32 state, - int msecs) +int ipath_wait_linkstate(struct ipath_devdata *dd, u32 state, int msecs) { dd->ipath_state_wanted = state; wait_event_interruptible_timeout(ipath_state_wait, @@ -1656,8 +1655,8 @@ void ipath_cancel_sends(struct ipath_devdata *dd, int restore_sendctrl) static void ipath_set_ib_lstate(struct ipath_devdata *dd, int which) { static const char *what[4] = { - [0] = "DOWN", - [INFINIPATH_IBCC_LINKCMD_INIT] = "INIT", + [0] = "NOP", + [INFINIPATH_IBCC_LINKCMD_DOWN] = "DOWN", [INFINIPATH_IBCC_LINKCMD_ARMED] = "ARMED", [INFINIPATH_IBCC_LINKCMD_ACTIVE] = "ACTIVE" }; @@ -1672,9 +1671,9 @@ static void ipath_set_ib_lstate(struct ipath_devdata *dd, int which) (dd, dd->ipath_kregs->kr_ibcstatus) >> INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) & INFINIPATH_IBCS_LINKTRAININGSTATE_MASK]); - /* flush all queued sends when going to DOWN or INIT, to be sure that + /* flush all queued sends when going to DOWN to be sure that * they don't block MAD packets */ - if (!linkcmd || linkcmd == INFINIPATH_IBCC_LINKCMD_INIT) + if (linkcmd == INFINIPATH_IBCC_LINKCMD_DOWN) ipath_cancel_sends(dd, 1); ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, @@ -1687,6 +1686,13 @@ int ipath_set_linkstate(struct ipath_devdata *dd, u8 newstate) int ret; switch (newstate) { + case IPATH_IB_LINKDOWN_ONLY: + ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_DOWN << + INFINIPATH_IBCC_LINKCMD_SHIFT); + /* don't wait */ + ret = 0; + goto bail; + case IPATH_IB_LINKDOWN: ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKINITCMD_POLL << INFINIPATH_IBCC_LINKINITCMD_SHIFT); @@ -1709,16 +1715,6 @@ int ipath_set_linkstate(struct ipath_devdata *dd, u8 newstate) ret = 0; goto bail; - case IPATH_IB_LINKINIT: - if (dd->ipath_flags & IPATH_LINKINIT) { - ret = 0; - goto bail; - } - ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_INIT << - INFINIPATH_IBCC_LINKCMD_SHIFT); - lstate = IPATH_LINKINIT; - break; - case IPATH_IB_LINKARM: if (dd->ipath_flags & IPATH_LINKARMED) { ret = 0; diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index 4cc0f95ea87..ecf3f7ff771 100644 --- a/drivers/infiniband/hw/ipath/ipath_kernel.h +++ b/drivers/infiniband/hw/ipath/ipath_kernel.h @@ -767,6 +767,7 @@ void ipath_kreceive(struct ipath_portdata *); int ipath_setrcvhdrsize(struct ipath_devdata *, unsigned); int ipath_reset_device(int); void ipath_get_faststats(unsigned long); +int ipath_wait_linkstate(struct ipath_devdata *, u32, int); int ipath_set_linkstate(struct ipath_devdata *, u8); int ipath_set_mtu(struct ipath_devdata *, u16); int ipath_set_lid(struct ipath_devdata *, u32, u8); diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c index d98d5f10370..b34b91d3723 100644 --- a/drivers/infiniband/hw/ipath/ipath_mad.c +++ b/drivers/infiniband/hw/ipath/ipath_mad.c @@ -555,10 +555,7 @@ static int recv_subn_set_portinfo(struct ib_smp *smp, /* FALLTHROUGH */ case IB_PORT_DOWN: if (lstate == 0) - if (get_linkdowndefaultstate(dd)) - lstate = IPATH_IB_LINKDOWN_SLEEP; - else - lstate = IPATH_IB_LINKDOWN; + lstate = IPATH_IB_LINKDOWN_ONLY; else if (lstate == 1) lstate = IPATH_IB_LINKDOWN_SLEEP; else if (lstate == 2) @@ -568,6 +565,8 @@ static int recv_subn_set_portinfo(struct ib_smp *smp, else goto err; ipath_set_linkstate(dd, lstate); + ipath_wait_linkstate(dd, IPATH_LINKINIT | IPATH_LINKARMED | + IPATH_LINKACTIVE, 1000); break; case IB_PORT_ARMED: ipath_set_linkstate(dd, IPATH_IB_LINKARM); diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c index 80dc623cee4..087ed316647 100644 --- a/drivers/infiniband/hw/ipath/ipath_qp.c +++ b/drivers/infiniband/hw/ipath/ipath_qp.c @@ -329,8 +329,9 @@ struct ipath_qp *ipath_lookup_qpn(struct ipath_qp_table *qpt, u32 qpn) /** * ipath_reset_qp - initialize the QP state to the reset state * @qp: the QP to reset + * @type: the QP type */ -static void ipath_reset_qp(struct ipath_qp *qp) +static void ipath_reset_qp(struct ipath_qp *qp, enum ib_qp_type type) { qp->remote_qpn = 0; qp->qkey = 0; @@ -342,7 +343,7 @@ static void ipath_reset_qp(struct ipath_qp *qp) qp->s_psn = 0; qp->r_psn = 0; qp->r_msn = 0; - if (qp->ibqp.qp_type == IB_QPT_RC) { + if (type == IB_QPT_RC) { qp->s_state = IB_OPCODE_RC_SEND_LAST; qp->r_state = IB_OPCODE_RC_SEND_LAST; } else { @@ -414,7 +415,7 @@ int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err) wc.wr_id = qp->r_wr_id; wc.opcode = IB_WC_RECV; wc.status = err; - ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 1); + ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, 1); } wc.status = IB_WC_WR_FLUSH_ERR; @@ -534,7 +535,7 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, switch (new_state) { case IB_QPS_RESET: - ipath_reset_qp(qp); + ipath_reset_qp(qp, ibqp->qp_type); break; case IB_QPS_ERR: @@ -647,7 +648,7 @@ int ipath_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, attr->port_num = 1; attr->timeout = qp->timeout; attr->retry_cnt = qp->s_retry_cnt; - attr->rnr_retry = qp->s_rnr_retry; + attr->rnr_retry = qp->s_rnr_retry_cnt; attr->alt_port_num = 0; attr->alt_timeout = 0; @@ -839,7 +840,7 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd, goto bail_qp; } qp->ip = NULL; - ipath_reset_qp(qp); + ipath_reset_qp(qp, init_attr->qp_type); break; default: diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c index 459e46e2c01..40f3e37d7ad 100644 --- a/drivers/infiniband/hw/ipath/ipath_rc.c +++ b/drivers/infiniband/hw/ipath/ipath_rc.c @@ -1196,6 +1196,10 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev, list_move_tail(&qp->timerwait, &dev->pending[dev->pending_index]); spin_unlock(&dev->pending_lock); + + if (opcode == OP(RDMA_READ_RESPONSE_MIDDLE)) + qp->s_retry = qp->s_retry_cnt; + /* * Update the RDMA receive state but do the copy w/o * holding the locks and blocking interrupts. diff --git a/drivers/infiniband/hw/ipath/ipath_registers.h b/drivers/infiniband/hw/ipath/ipath_registers.h index 6d2a17f9c1d..92ad73a7fff 100644 --- a/drivers/infiniband/hw/ipath/ipath_registers.h +++ b/drivers/infiniband/hw/ipath/ipath_registers.h @@ -185,7 +185,7 @@ #define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3 #define INFINIPATH_IBCC_LINKINITCMD_SHIFT 16 #define INFINIPATH_IBCC_LINKCMD_MASK 0x3ULL -#define INFINIPATH_IBCC_LINKCMD_INIT 1 /* move to 0x11 */ +#define INFINIPATH_IBCC_LINKCMD_DOWN 1 /* move to 0x11 */ #define INFINIPATH_IBCC_LINKCMD_ARMED 2 /* move to 0x21 */ #define INFINIPATH_IBCC_LINKCMD_ACTIVE 3 /* move to 0x31 */ #define INFINIPATH_IBCC_LINKCMD_SHIFT 18 diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 52b1bebfa74..2490b2d79db 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -38,6 +38,7 @@ #include <net/icmp.h> #include <linux/icmpv6.h> #include <linux/delay.h> +#include <linux/vmalloc.h> #include "ipoib.h" @@ -637,6 +638,7 @@ static inline int post_send(struct ipoib_dev_priv *priv, priv->tx_sge[0].addr = addr; priv->tx_sge[0].length = len; + priv->tx_wr.num_sge = 1; priv->tx_wr.wr_id = wr_id | IPOIB_OP_CM; return ib_post_send(tx->qp, &priv->tx_wr, &bad_wr); @@ -1030,13 +1032,13 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn, struct ipoib_dev_priv *priv = netdev_priv(p->dev); int ret; - p->tx_ring = kzalloc(ipoib_sendq_size * sizeof *p->tx_ring, - GFP_KERNEL); + p->tx_ring = vmalloc(ipoib_sendq_size * sizeof *p->tx_ring); if (!p->tx_ring) { ipoib_warn(priv, "failed to allocate tx ring\n"); ret = -ENOMEM; goto err_tx; } + memset(p->tx_ring, 0, ipoib_sendq_size * sizeof *p->tx_ring); p->qp = ipoib_cm_create_tx_qp(p->dev, p); if (IS_ERR(p->qp)) { @@ -1077,6 +1079,7 @@ err_id: ib_destroy_qp(p->qp); err_qp: p->qp = NULL; + vfree(p->tx_ring); err_tx: return ret; } @@ -1127,7 +1130,7 @@ timeout: if (p->qp) ib_destroy_qp(p->qp); - kfree(p->tx_ring); + vfree(p->tx_ring); kfree(p); } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index f96477a8ca5..57282048865 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -41,6 +41,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/kernel.h> +#include <linux/vmalloc.h> #include <linux/if_arp.h> /* For ARPHRD_xxx */ @@ -887,13 +888,13 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port) goto out; } - priv->tx_ring = kzalloc(ipoib_sendq_size * sizeof *priv->tx_ring, - GFP_KERNEL); + priv->tx_ring = vmalloc(ipoib_sendq_size * sizeof *priv->tx_ring); if (!priv->tx_ring) { printk(KERN_WARNING "%s: failed to allocate TX ring (%d entries)\n", ca->name, ipoib_sendq_size); goto out_rx_ring_cleanup; } + memset(priv->tx_ring, 0, ipoib_sendq_size * sizeof *priv->tx_ring); /* priv->tx_head, tx_tail & tx_outstanding are already 0 */ @@ -903,7 +904,7 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port) return 0; out_tx_ring_cleanup: - kfree(priv->tx_ring); + vfree(priv->tx_ring); out_rx_ring_cleanup: kfree(priv->rx_ring); @@ -928,7 +929,7 @@ void ipoib_dev_cleanup(struct net_device *dev) ipoib_ib_dev_cleanup(dev); kfree(priv->rx_ring); - kfree(priv->tx_ring); + vfree(priv->tx_ring); priv->rx_ring = NULL; priv->tx_ring = NULL; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 2628339e3a9..31a53c5bcb1 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -650,7 +650,7 @@ void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb) */ spin_lock(&priv->lock); - if (!test_bit(IPOIB_MCAST_STARTED, &priv->flags) || + if (!test_bit(IPOIB_FLAG_OPER_UP, &priv->flags) || !priv->broadcast || !test_bit(IPOIB_MCAST_FLAG_ATTACHED, &priv->broadcast->flags)) { ++dev->stats.tx_dropped; diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c index 9cef6fcf587..d4ad6992f77 100644 --- a/drivers/isdn/i4l/isdn_common.c +++ b/drivers/isdn/i4l/isdn_common.c @@ -981,13 +981,13 @@ isdn_readbchan_tty(int di, int channel, struct tty_struct *tty, int cisco_hack) } -static __inline int +static inline int isdn_minor2drv(int minor) { return (dev->drvmap[minor]); } -static __inline int +static inline int isdn_minor2chan(int minor) { return (dev->chanmap[minor]); diff --git a/drivers/isdn/i4l/isdn_v110.c b/drivers/isdn/i4l/isdn_v110.c index 5484d3c38a5..c5d02b6aafa 100644 --- a/drivers/isdn/i4l/isdn_v110.c +++ b/drivers/isdn/i4l/isdn_v110.c @@ -62,7 +62,7 @@ static unsigned char V110_OffMatrix_38400[] = * and to 67452301 when keylen = 2. This is necessary because ordering on * the isdn line is the other way. */ -static __inline unsigned char +static inline unsigned char FlipBits(unsigned char c, int keylen) { unsigned char b = c; diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c index 741a2e3f4fc..a348bb0791d 100644 --- a/drivers/macintosh/via-pmu-backlight.c +++ b/drivers/macintosh/via-pmu-backlight.c @@ -17,7 +17,7 @@ static struct backlight_ops pmu_backlight_data; static DEFINE_SPINLOCK(pmu_backlight_lock); -static int sleeping; +static int sleeping, uses_pmu_bl; static u8 bl_curve[FB_BACKLIGHT_LEVELS]; static void pmu_backlight_init_curve(u8 off, u8 min, u8 max) @@ -128,7 +128,7 @@ void pmu_backlight_set_sleep(int sleep) spin_lock_irqsave(&pmu_backlight_lock, flags); sleeping = sleep; - if (pmac_backlight) { + if (pmac_backlight && uses_pmu_bl) { if (sleep) { struct adb_request req; @@ -166,6 +166,7 @@ void __init pmu_backlight_init() printk(KERN_ERR "PMU Backlight registration failed\n"); return; } + uses_pmu_bl = 1; bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; pmu_backlight_init_curve(0x7F, 0x46, 0x0E); diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index ebec663d5d3..d6365a9f063 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -2528,7 +2528,7 @@ EXPORT_SYMBOL(pmu_wait_complete); EXPORT_SYMBOL(pmu_suspend); EXPORT_SYMBOL(pmu_resume); EXPORT_SYMBOL(pmu_unlock); -#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) +#if defined(CONFIG_PPC32) EXPORT_SYMBOL(pmu_enable_irled); EXPORT_SYMBOL(pmu_battery_count); EXPORT_SYMBOL(pmu_batteries); diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 982e27b86d1..962817e49fb 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -108,6 +108,7 @@ config ACER_WMI depends on ACPI depends on LEDS_CLASS depends on BACKLIGHT_CLASS_DEVICE + depends on SERIO_I8042 select ACPI_WMI ---help--- This is a driver for newer Acer (and Wistron) laptops. It adds diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c index 74d12b4a3ab..dd13a374992 100644 --- a/drivers/misc/acer-wmi.c +++ b/drivers/misc/acer-wmi.c @@ -219,6 +219,15 @@ static struct dmi_system_id acer_quirks[] = { }, { .callback = dmi_matched, + .ident = "Acer Aspire 3610", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"), + }, + .driver_data = &quirk_acer_travelmate_2490, + }, + { + .callback = dmi_matched, .ident = "Acer Aspire 5100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), @@ -228,6 +237,15 @@ static struct dmi_system_id acer_quirks[] = { }, { .callback = dmi_matched, + .ident = "Acer Aspire 5610", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), + }, + .driver_data = &quirk_acer_travelmate_2490, + }, + { + .callback = dmi_matched, .ident = "Acer Aspire 5630", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), @@ -761,11 +779,11 @@ enum led_brightness value) } static struct led_classdev mail_led = { - .name = "acer-mail:green", + .name = "acer-wmi::mail", .brightness_set = mail_led_set, }; -static int __init acer_led_init(struct device *dev) +static int __devinit acer_led_init(struct device *dev) { return led_classdev_register(dev, &mail_led); } @@ -798,7 +816,7 @@ static struct backlight_ops acer_bl_ops = { .update_status = update_bl_status, }; -static int __init acer_backlight_init(struct device *dev) +static int __devinit acer_backlight_init(struct device *dev) { struct backlight_device *bd; @@ -817,7 +835,7 @@ static int __init acer_backlight_init(struct device *dev) return 0; } -static void __exit acer_backlight_exit(void) +static void acer_backlight_exit(void) { backlight_device_unregister(acer_backlight_device); } @@ -1052,11 +1070,12 @@ static int __init acer_wmi_init(void) if (wmi_has_guid(WMID_GUID2) && interface) { if (ACPI_FAILURE(WMID_set_capabilities())) { - printk(ACER_ERR "Unable to detect available devices\n"); + printk(ACER_ERR "Unable to detect available WMID " + "devices\n"); return -ENODEV; } } else if (!wmi_has_guid(WMID_GUID2) && interface) { - printk(ACER_ERR "Unable to detect available devices\n"); + printk(ACER_ERR "No WMID device detection method found\n"); return -ENODEV; } @@ -1064,21 +1083,20 @@ static int __init acer_wmi_init(void) interface = &AMW0_interface; if (ACPI_FAILURE(AMW0_set_capabilities())) { - printk(ACER_ERR "Unable to detect available devices\n"); + printk(ACER_ERR "Unable to detect available AMW0 " + "devices\n"); return -ENODEV; } } - if (wmi_has_guid(AMW0_GUID1)) { - if (ACPI_FAILURE(AMW0_find_mailled())) - printk(ACER_ERR "Unable to detect mail LED\n"); - } + if (wmi_has_guid(AMW0_GUID1)) + AMW0_find_mailled(); find_quirks(); if (!interface) { - printk(ACER_ERR "No or unsupported WMI interface, unable to "); - printk(KERN_CONT "load.\n"); + printk(ACER_ERR "No or unsupported WMI interface, unable to " + "load\n"); return -ENODEV; } diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c index 899e3f75f28..02ff3d19b1c 100644 --- a/drivers/misc/sony-laptop.c +++ b/drivers/misc/sony-laptop.c @@ -315,7 +315,7 @@ static void sony_laptop_report_input_event(u8 event) break; default: - if (event > ARRAY_SIZE(sony_laptop_input_index)) { + if (event >= ARRAY_SIZE(sony_laptop_input_index)) { dprintk("sony_laptop_report_input_event, event not known: %d\n", event); break; } diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c index 20d5c7bd940..1c14a186f00 100644 --- a/drivers/mmc/host/tifm_sd.c +++ b/drivers/mmc/host/tifm_sd.c @@ -180,7 +180,7 @@ static void tifm_sd_transfer_data(struct tifm_sd *host) host->sg_pos++; if (host->sg_pos == host->sg_len) { if ((r_data->flags & MMC_DATA_WRITE) - && DATA_CARRY) + && (host->cmd_flags & DATA_CARRY)) writel(host->bounce_buf_data[0], host->dev->addr + SOCK_MMCSD_DATA); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index a0f0e605d63..fe7b5ec0970 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2366,15 +2366,15 @@ config GELIC_NET module will be called ps3_gelic. config GELIC_WIRELESS - bool "PS3 Wireless support" - depends on GELIC_NET - select WIRELESS_EXT - help - This option adds the support for the wireless feature of PS3. - If you have the wireless-less model of PS3 or have no plan to - use wireless feature, disabling this option saves memory. As - the driver automatically distinguishes the models, you can - safely enable this option even if you have a wireless-less model. + bool "PS3 Wireless support" + depends on GELIC_NET + select WIRELESS_EXT + help + This option adds the support for the wireless feature of PS3. + If you have the wireless-less model of PS3 or have no plan to + use wireless feature, disabling this option saves memory. As + the driver automatically distinguishes the models, you can + safely enable this option even if you have a wireless-less model. config GIANFAR tristate "Gianfar Ethernet" @@ -2519,7 +2519,7 @@ config CHELSIO_T3 config EHEA tristate "eHEA Ethernet support" - depends on IBMEBUS && INET + depends on IBMEBUS && INET && SPARSEMEM select INET_LRO ---help--- This driver supports the IBM pSeries eHEA ethernet adapter. diff --git a/drivers/net/ac3200.c b/drivers/net/ac3200.c index 5136d94923a..b1448637107 100644 --- a/drivers/net/ac3200.c +++ b/drivers/net/ac3200.c @@ -369,7 +369,7 @@ MODULE_PARM_DESC(mem, "Memory base address(es)"); MODULE_DESCRIPTION("Ansel AC3200 EISA ethernet driver"); MODULE_LICENSE("GPL"); -int __init init_module(void) +static int __init ac3200_module_init(void) { struct net_device *dev; int this_dev, found = 0; @@ -404,8 +404,7 @@ static void cleanup_card(struct net_device *dev) iounmap(ei_status.mem); } -void __exit -cleanup_module(void) +static void __exit ac3200_module_exit(void) { int this_dev; @@ -418,4 +417,6 @@ cleanup_module(void) } } } +module_init(ac3200_module_init); +module_exit(ac3200_module_exit); #endif /* MODULE */ diff --git a/drivers/net/apne.c b/drivers/net/apne.c index c12cbdf368b..47a8275d396 100644 --- a/drivers/net/apne.c +++ b/drivers/net/apne.c @@ -569,7 +569,7 @@ static irqreturn_t apne_interrupt(int irq, void *dev_id) #ifdef MODULE static struct net_device *apne_dev; -int __init init_module(void) +static int __init apne_module_init(void) { apne_dev = apne_probe(-1); if (IS_ERR(apne_dev)) @@ -577,7 +577,7 @@ int __init init_module(void) return 0; } -void __exit cleanup_module(void) +static void __exit apne_module_exit(void) { unregister_netdev(apne_dev); @@ -591,7 +591,8 @@ void __exit cleanup_module(void) free_netdev(apne_dev); } - +module_init(apne_module_init); +module_exit(apne_module_exit); #endif static int init_pcmcia(void) diff --git a/drivers/net/appletalk/ltpc.c b/drivers/net/appletalk/ltpc.c index 6ab2c2d4d67..fef5560bc7a 100644 --- a/drivers/net/appletalk/ltpc.c +++ b/drivers/net/appletalk/ltpc.c @@ -1252,7 +1252,7 @@ module_param(irq, int, 0); module_param(dma, int, 0); -int __init init_module(void) +static int __init ltpc_module_init(void) { if(io == 0) printk(KERN_NOTICE @@ -1263,6 +1263,7 @@ int __init init_module(void) return PTR_ERR(dev_ltpc); return 0; } +module_init(ltpc_module_init); #endif static void __exit ltpc_cleanup(void) diff --git a/drivers/net/arcnet/capmode.c b/drivers/net/arcnet/capmode.c index cc4610db639..02cb8f1c114 100644 --- a/drivers/net/arcnet/capmode.c +++ b/drivers/net/arcnet/capmode.c @@ -80,17 +80,19 @@ void arcnet_cap_init(void) #ifdef MODULE -int __init init_module(void) +static int __init capmode_module_init(void) { printk(VERSION); arcnet_cap_init(); return 0; } -void cleanup_module(void) +static void __exit capmode_module_exit(void) { arcnet_unregister_proto(&capmode_proto); } +module_init(capmode_module_init); +module_exit(capmode_module_exit); MODULE_LICENSE("GPL"); #endif /* MODULE */ diff --git a/drivers/net/atarilance.c b/drivers/net/atarilance.c index b74dbeef805..13c293b286d 100644 --- a/drivers/net/atarilance.c +++ b/drivers/net/atarilance.c @@ -336,8 +336,6 @@ struct lance_addr { /***************************** Prototypes *****************************/ -static int addr_accessible( volatile void *regp, int wordflag, int - writeflag ); static unsigned long lance_probe1( struct net_device *dev, struct lance_addr *init_rec ); static int lance_open( struct net_device *dev ); @@ -406,7 +404,8 @@ struct net_device * __init atarilance_probe(int unit) /* Derived from hwreg_present() in atari/config.c: */ -static int __init addr_accessible( volatile void *regp, int wordflag, int writeflag ) +static noinline int __init addr_accessible(volatile void *regp, int wordflag, + int writeflag) { int ret; long flags; diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 36ba6dc96ac..cdf3090a188 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -2782,16 +2782,13 @@ static void __devexit e100_remove(struct pci_dev *pdev) } } -#ifdef CONFIG_PM static int e100_suspend(struct pci_dev *pdev, pm_message_t state) { struct net_device *netdev = pci_get_drvdata(pdev); struct nic *nic = netdev_priv(netdev); if (netif_running(netdev)) - napi_disable(&nic->napi); - del_timer_sync(&nic->watchdog); - netif_carrier_off(nic->netdev); + e100_down(nic); netif_device_detach(netdev); pci_save_state(pdev); @@ -2804,14 +2801,13 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state) pci_enable_wake(pdev, PCI_D3cold, 0); } - free_irq(pdev->irq, netdev); - pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); return 0; } +#ifdef CONFIG_PM static int e100_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); @@ -2832,26 +2828,7 @@ static int e100_resume(struct pci_dev *pdev) static void e100_shutdown(struct pci_dev *pdev) { - struct net_device *netdev = pci_get_drvdata(pdev); - struct nic *nic = netdev_priv(netdev); - - if (netif_running(netdev)) - napi_disable(&nic->napi); - del_timer_sync(&nic->watchdog); - netif_carrier_off(nic->netdev); - - if ((nic->flags & wol_magic) | e100_asf(nic)) { - pci_enable_wake(pdev, PCI_D3hot, 1); - pci_enable_wake(pdev, PCI_D3cold, 1); - } else { - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - } - - free_irq(pdev->irq, netdev); - - pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); + e100_suspend(pdev, PMSG_SUSPEND); } /* ------------------ PCI Error Recovery infrastructure -------------- */ diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c index 0809a6a5a28..46a90e9ec56 100644 --- a/drivers/net/enc28j60.c +++ b/drivers/net/enc28j60.c @@ -900,7 +900,7 @@ static void enc28j60_hw_rx(struct net_device *ndev) if (RSV_GETBIT(rxstat, RSV_LENCHECKERR)) ndev->stats.rx_frame_errors++; } else { - skb = dev_alloc_skb(len); + skb = dev_alloc_skb(len + NET_IP_ALIGN); if (!skb) { if (netif_msg_rx_err(priv)) dev_err(&ndev->dev, @@ -908,6 +908,7 @@ static void enc28j60_hw_rx(struct net_device *ndev) ndev->stats.rx_dropped++; } else { skb->dev = ndev; + skb_reserve(skb, NET_IP_ALIGN); /* copy the packet from the receive buffer */ enc28j60_mem_read(priv, priv->next_pk_ptr + sizeof(rsv), len, skb_put(skb, len)); diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 23d0a4afe0e..c2095ce531c 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -2133,7 +2133,7 @@ static void ixgbe_watchdog(unsigned long data) (link_speed == IXGBE_LINK_SPEED_10GB_FULL ? "10 Gbps" : (link_speed == IXGBE_LINK_SPEED_1GB_FULL ? - "1 Gpbs" : "unknown speed")), + "1 Gbps" : "unknown speed")), ((FLOW_RX && FLOW_TX) ? "RX/TX" : (FLOW_RX ? "RX" : (FLOW_TX ? "TX" : "None")))); diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index b528ce77c40..771139e283a 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -2104,6 +2104,7 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR( "Rabeeh Khoury, Assaf Hoffman, Matthew Dharm, Manish Lachwani" " and Dale Farnsworth"); MODULE_DESCRIPTION("Ethernet driver for Marvell MV643XX"); +MODULE_ALIAS("platform:mv643xx_eth"); /* * The second part is the low level driver of the gigE ethernet ports. diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c index e8a63e483a2..ce95c5d168f 100644 --- a/drivers/net/pcmcia/axnet_cs.c +++ b/drivers/net/pcmcia/axnet_cs.c @@ -1268,7 +1268,7 @@ static irqreturn_t ax_interrupt(int irq, void *dev_id) } } - if (interrupts && ei_debug) + if (interrupts && ei_debug > 3) { handled = 1; if (nr_serviced >= MAX_SERVICE) diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index f4ca0591231..3ac8529bb92 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -67,6 +67,7 @@ config REALTEK_PHY config FIXED_PHY bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" + depends on PHYLIB=y ---help--- Adds the platform "fixed" MDIO Bus to cover the boards that use PHYs that are not connected to the real MDIO bus. diff --git a/drivers/net/phy/davicom.c b/drivers/net/phy/davicom.c index 7ed632db00d..d926168bc78 100644 --- a/drivers/net/phy/davicom.c +++ b/drivers/net/phy/davicom.c @@ -37,6 +37,7 @@ #define MII_DM9161_SCR 0x10 #define MII_DM9161_SCR_INIT 0x0610 +#define MII_DM9161_SCR_RMII 0x0100 /* DM9161 Interrupt Register */ #define MII_DM9161_INTR 0x15 @@ -103,7 +104,7 @@ static int dm9161_config_aneg(struct phy_device *phydev) static int dm9161_config_init(struct phy_device *phydev) { - int err; + int err, temp; /* Isolate the PHY */ err = phy_write(phydev, MII_BMCR, BMCR_ISOLATE); @@ -111,9 +112,19 @@ static int dm9161_config_init(struct phy_device *phydev) if (err < 0) return err; - /* Do not bypass the scrambler/descrambler */ - err = phy_write(phydev, MII_DM9161_SCR, MII_DM9161_SCR_INIT); + switch (phydev->interface) { + case PHY_INTERFACE_MODE_MII: + temp = MII_DM9161_SCR_INIT; + break; + case PHY_INTERFACE_MODE_RMII: + temp = MII_DM9161_SCR_INIT | MII_DM9161_SCR_RMII; + break; + default: + return -EINVAL; + } + /* Do not bypass the scrambler/descrambler */ + err = phy_write(phydev, MII_DM9161_SCR, temp); if (err < 0) return err; diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c index 86e5dba079f..3d10ca050b7 100644 --- a/drivers/net/pppol2tp.c +++ b/drivers/net/pppol2tp.c @@ -302,14 +302,14 @@ pppol2tp_session_find(struct pppol2tp_tunnel *tunnel, u16 session_id) struct pppol2tp_session *session; struct hlist_node *walk; - read_lock(&tunnel->hlist_lock); + read_lock_bh(&tunnel->hlist_lock); hlist_for_each_entry(session, walk, session_list, hlist) { if (session->tunnel_addr.s_session == session_id) { - read_unlock(&tunnel->hlist_lock); + read_unlock_bh(&tunnel->hlist_lock); return session; } } - read_unlock(&tunnel->hlist_lock); + read_unlock_bh(&tunnel->hlist_lock); return NULL; } @@ -320,14 +320,14 @@ static struct pppol2tp_tunnel *pppol2tp_tunnel_find(u16 tunnel_id) { struct pppol2tp_tunnel *tunnel = NULL; - read_lock(&pppol2tp_tunnel_list_lock); + read_lock_bh(&pppol2tp_tunnel_list_lock); list_for_each_entry(tunnel, &pppol2tp_tunnel_list, list) { if (tunnel->stats.tunnel_id == tunnel_id) { - read_unlock(&pppol2tp_tunnel_list_lock); + read_unlock_bh(&pppol2tp_tunnel_list_lock); return tunnel; } } - read_unlock(&pppol2tp_tunnel_list_lock); + read_unlock_bh(&pppol2tp_tunnel_list_lock); return NULL; } @@ -342,10 +342,11 @@ static struct pppol2tp_tunnel *pppol2tp_tunnel_find(u16 tunnel_id) static void pppol2tp_recv_queue_skb(struct pppol2tp_session *session, struct sk_buff *skb) { struct sk_buff *skbp; + struct sk_buff *tmp; u16 ns = PPPOL2TP_SKB_CB(skb)->ns; - spin_lock(&session->reorder_q.lock); - skb_queue_walk(&session->reorder_q, skbp) { + spin_lock_bh(&session->reorder_q.lock); + skb_queue_walk_safe(&session->reorder_q, skbp, tmp) { if (PPPOL2TP_SKB_CB(skbp)->ns > ns) { __skb_insert(skb, skbp->prev, skbp, &session->reorder_q); PRINTK(session->debug, PPPOL2TP_MSG_SEQ, KERN_DEBUG, @@ -360,7 +361,7 @@ static void pppol2tp_recv_queue_skb(struct pppol2tp_session *session, struct sk_ __skb_queue_tail(&session->reorder_q, skb); out: - spin_unlock(&session->reorder_q.lock); + spin_unlock_bh(&session->reorder_q.lock); } /* Dequeue a single skb. @@ -371,10 +372,9 @@ static void pppol2tp_recv_dequeue_skb(struct pppol2tp_session *session, struct s int length = PPPOL2TP_SKB_CB(skb)->length; struct sock *session_sock = NULL; - /* We're about to requeue the skb, so unlink it and return resources + /* We're about to requeue the skb, so return resources * to its current owner (a socket receive buffer). */ - skb_unlink(skb, &session->reorder_q); skb_orphan(skb); tunnel->stats.rx_packets++; @@ -442,7 +442,7 @@ static void pppol2tp_recv_dequeue(struct pppol2tp_session *session) * expect to send up next, dequeue it and any other * in-sequence packets behind it. */ - spin_lock(&session->reorder_q.lock); + spin_lock_bh(&session->reorder_q.lock); skb_queue_walk_safe(&session->reorder_q, skb, tmp) { if (time_after(jiffies, PPPOL2TP_SKB_CB(skb)->expires)) { session->stats.rx_seq_discards++; @@ -470,13 +470,18 @@ static void pppol2tp_recv_dequeue(struct pppol2tp_session *session) goto out; } } - spin_unlock(&session->reorder_q.lock); + __skb_unlink(skb, &session->reorder_q); + + /* Process the skb. We release the queue lock while we + * do so to let other contexts process the queue. + */ + spin_unlock_bh(&session->reorder_q.lock); pppol2tp_recv_dequeue_skb(session, skb); - spin_lock(&session->reorder_q.lock); + spin_lock_bh(&session->reorder_q.lock); } out: - spin_unlock(&session->reorder_q.lock); + spin_unlock_bh(&session->reorder_q.lock); } /* Internal receive frame. Do the real work of receiving an L2TP data frame @@ -1059,7 +1064,7 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) /* Get routing info from the tunnel socket */ dst_release(skb->dst); - skb->dst = sk_dst_get(sk_tun); + skb->dst = dst_clone(__sk_dst_get(sk_tun)); skb_orphan(skb); skb->sk = sk_tun; @@ -1107,7 +1112,7 @@ static void pppol2tp_tunnel_closeall(struct pppol2tp_tunnel *tunnel) PRINTK(tunnel->debug, PPPOL2TP_MSG_CONTROL, KERN_INFO, "%s: closing all sessions...\n", tunnel->name); - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); for (hash = 0; hash < PPPOL2TP_HASH_SIZE; hash++) { again: hlist_for_each_safe(walk, tmp, &tunnel->session_hlist[hash]) { @@ -1129,7 +1134,7 @@ again: * disappear as we're jumping between locks. */ sock_hold(sk); - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); lock_sock(sk); if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) { @@ -1154,11 +1159,11 @@ again: * list so we are guaranteed to make forward * progress. */ - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); goto again; } } - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); } /* Really kill the tunnel. @@ -1167,9 +1172,9 @@ again: static void pppol2tp_tunnel_free(struct pppol2tp_tunnel *tunnel) { /* Remove from socket list */ - write_lock(&pppol2tp_tunnel_list_lock); + write_lock_bh(&pppol2tp_tunnel_list_lock); list_del_init(&tunnel->list); - write_unlock(&pppol2tp_tunnel_list_lock); + write_unlock_bh(&pppol2tp_tunnel_list_lock); atomic_dec(&pppol2tp_tunnel_count); kfree(tunnel); @@ -1245,9 +1250,9 @@ static void pppol2tp_session_destruct(struct sock *sk) /* Delete the session socket from the * hash */ - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); hlist_del_init(&session->hlist); - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); atomic_dec(&pppol2tp_session_count); } @@ -1392,9 +1397,9 @@ static struct sock *pppol2tp_prepare_tunnel_socket(int fd, u16 tunnel_id, /* Add tunnel to our list */ INIT_LIST_HEAD(&tunnel->list); - write_lock(&pppol2tp_tunnel_list_lock); + write_lock_bh(&pppol2tp_tunnel_list_lock); list_add(&tunnel->list, &pppol2tp_tunnel_list); - write_unlock(&pppol2tp_tunnel_list_lock); + write_unlock_bh(&pppol2tp_tunnel_list_lock); atomic_inc(&pppol2tp_tunnel_count); /* Bump the reference count. The tunnel context is deleted @@ -1599,11 +1604,11 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, sk->sk_user_data = session; /* Add session to the tunnel's hash list */ - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); hlist_add_head(&session->hlist, pppol2tp_session_id_hash(tunnel, session->tunnel_addr.s_session)); - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); atomic_inc(&pppol2tp_session_count); @@ -2205,7 +2210,7 @@ static struct pppol2tp_session *next_session(struct pppol2tp_tunnel *tunnel, str int next = 0; int i; - read_lock(&tunnel->hlist_lock); + read_lock_bh(&tunnel->hlist_lock); for (i = 0; i < PPPOL2TP_HASH_SIZE; i++) { hlist_for_each_entry(session, walk, &tunnel->session_hlist[i], hlist) { if (curr == NULL) { @@ -2223,7 +2228,7 @@ static struct pppol2tp_session *next_session(struct pppol2tp_tunnel *tunnel, str } } out: - read_unlock(&tunnel->hlist_lock); + read_unlock_bh(&tunnel->hlist_lock); if (!found) session = NULL; @@ -2234,13 +2239,13 @@ static struct pppol2tp_tunnel *next_tunnel(struct pppol2tp_tunnel *curr) { struct pppol2tp_tunnel *tunnel = NULL; - read_lock(&pppol2tp_tunnel_list_lock); + read_lock_bh(&pppol2tp_tunnel_list_lock); if (list_is_last(&curr->list, &pppol2tp_tunnel_list)) { goto out; } tunnel = list_entry(curr->list.next, struct pppol2tp_tunnel, list); out: - read_unlock(&pppol2tp_tunnel_list_lock); + read_unlock_bh(&pppol2tp_tunnel_list_lock); return tunnel; } diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 6179a0a2032..c72787adeba 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -1088,7 +1088,7 @@ static int s2io_print_pci_mode(struct s2io_nic *nic) * '-1' on failure */ -int init_tti(struct s2io_nic *nic, int link) +static int init_tti(struct s2io_nic *nic, int link) { struct XENA_dev_config __iomem *bar0 = nic->bar0; register u64 val64 = 0; diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index 77d9dd7ea34..567c62757e9 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -910,7 +910,8 @@ static void de_set_media (struct de_private *de) unsigned media = de->media_type; u32 macmode = dr32(MacMode); - BUG_ON(de_is_running(de)); + if (de_is_running(de)) + printk(KERN_WARNING "%s: chip is running while changing media!\n", de->dev->name); if (de->de21040) dw32(CSR11, FULL_DUPLEX_MAGIC); diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 19fd4cb0ddf..b58472cf76f 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -203,8 +203,11 @@ again: if (received < budget) { netif_rx_complete(vi->dev, napi); if (unlikely(!vi->rvq->vq_ops->enable_cb(vi->rvq)) - && netif_rx_reschedule(vi->dev, napi)) + && napi_schedule_prep(napi)) { + vi->rvq->vq_ops->disable_cb(vi->rvq); + __netif_rx_schedule(vi->dev, napi); goto again; + } } return received; @@ -278,10 +281,11 @@ again: pr_debug("%s: virtio not prepared to send\n", dev->name); netif_stop_queue(dev); - /* Activate callback for using skbs: if this fails it + /* Activate callback for using skbs: if this returns false it * means some were used in the meantime. */ if (unlikely(!vi->svq->vq_ops->enable_cb(vi->svq))) { - printk("Unlikely: restart svq failed\n"); + printk("Unlikely: restart svq race\n"); + vi->svq->vq_ops->disable_cb(vi->svq); netif_start_queue(dev); goto again; } @@ -294,6 +298,15 @@ again: return 0; } +#ifdef CONFIG_NET_POLL_CONTROLLER +static void virtnet_netpoll(struct net_device *dev) +{ + struct virtnet_info *vi = netdev_priv(dev); + + napi_schedule(&vi->napi); +} +#endif + static int virtnet_open(struct net_device *dev) { struct virtnet_info *vi = netdev_priv(dev); @@ -336,6 +349,9 @@ static int virtnet_probe(struct virtio_device *vdev) dev->stop = virtnet_close; dev->hard_start_xmit = start_xmit; dev->features = NETIF_F_HIGHDMA; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = virtnet_netpoll; +#endif SET_NETDEV_DEV(dev, &vdev->dev); /* Do we support "hardware" checksums? */ diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c index 15d5c58e57b..e59255a155a 100644 --- a/drivers/net/wan/sbni.c +++ b/drivers/net/wan/sbni.c @@ -751,7 +751,7 @@ upload_data( struct net_device *dev, unsigned framelen, unsigned frameno, } -static __inline void +static inline void send_complete( struct net_local *nl ) { #ifdef CONFIG_SBNI_MULTILINE diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c index bdc6a1cc210..f0ef7081bde 100644 --- a/drivers/net/wireless/libertas/cmdresp.c +++ b/drivers/net/wireless/libertas/cmdresp.c @@ -578,7 +578,7 @@ int lbs_process_rx_command(struct lbs_private *priv) goto done; } if (respcmd != CMD_RET(curcmd) && - respcmd != CMD_802_11_ASSOCIATE && curcmd != CMD_RET_802_11_ASSOCIATE) { + respcmd != CMD_RET_802_11_ASSOCIATE && curcmd != CMD_802_11_ASSOCIATE) { lbs_pr_info("Invalid CMD_RESP %x to command %x!\n", respcmd, curcmd); spin_unlock_irqrestore(&priv->driver_lock, flags); ret = -1; diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index e808db98f2f..93ea212fedd 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -2302,9 +2302,9 @@ static void rt61pci_configure_filter(struct ieee80211_hw *hw, * Apply some rules to the filters: * - Some filters imply different filters to be set. * - Some things we can't filter out at all. + * - Multicast filter seems to kill broadcast traffic so never use it. */ - if (mc_count) - *total_flags |= FIF_ALLMULTI; + *total_flags |= FIF_ALLMULTI; if (*total_flags & FIF_OTHER_BSS || *total_flags & FIF_PROMISC_IN_BSS) *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 4fac2d414d8..8103d41a154 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1869,9 +1869,9 @@ static void rt73usb_configure_filter(struct ieee80211_hw *hw, * Apply some rules to the filters: * - Some filters imply different filters to be set. * - Some things we can't filter out at all. + * - Multicast filter seems to kill broadcast traffic so never use it. */ - if (mc_count) - *total_flags |= FIF_ALLMULTI; + *total_flags |= FIF_ALLMULTI; if (*total_flags & FIF_OTHER_BSS || *total_flags & FIF_PROMISC_IN_BSS) *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; @@ -2098,6 +2098,7 @@ static struct usb_device_id rt73usb_device_table[] = { /* D-Link */ { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) }, + { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) }, /* Gemtek */ { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) }, /* Gigabyte */ diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c index de34aa9d313..f9f9a5f1bbd 100644 --- a/drivers/parisc/pdc_stable.c +++ b/drivers/parisc/pdc_stable.c @@ -829,7 +829,7 @@ static ssize_t pdcs_autoboot_write(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) { - return pdcs_auto_write(kset, attr, buf, count, PF_AUTOBOOT); + return pdcs_auto_write(kobj, attr, buf, count, PF_AUTOBOOT); } /** @@ -845,7 +845,7 @@ static ssize_t pdcs_autosearch_write(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) { - return pdcs_auto_write(kset, attr, buf, count, PF_AUTOSEARCH); + return pdcs_auto_write(kobj, attr, buf, count, PF_AUTOSEARCH); } /** @@ -1066,7 +1066,7 @@ pdc_stable_init(void) } /* Don't forget the root entries */ - error = sysfs_create_group(stable_kobj, pdcs_attr_group); + error = sysfs_create_group(stable_kobj, &pdcs_attr_group); /* register the paths kset as a child of the stable kset */ paths_kset = kset_create_and_add("paths", NULL, stable_kobj); diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index bdbe780e21c..8c4d2c13d5f 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -314,8 +314,8 @@ sba_dump_sg( struct ioc *ioc, struct scatterlist *startsg, int nents) #define RESMAP_MASK(n) (~0UL << (BITS_PER_LONG - (n))) #define RESMAP_IDX_MASK (sizeof(unsigned long) - 1) -unsigned long ptr_to_pide(struct ioc *ioc, unsigned long *res_ptr, - unsigned int bitshiftcnt) +static unsigned long ptr_to_pide(struct ioc *ioc, unsigned long *res_ptr, + unsigned int bitshiftcnt) { return (((unsigned long)res_ptr - (unsigned long)ioc->res_map) << 3) + bitshiftcnt; diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 6a9403d79e0..d708358326e 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -143,14 +143,18 @@ void pci_bus_add_devices(struct pci_bus *bus) /* register the bus with sysfs as the parent is now * properly registered. */ child_bus = dev->subordinate; + if (child_bus->is_added) + continue; child_bus->dev.parent = child_bus->bridge; retval = device_register(&child_bus->dev); if (retval) dev_err(&dev->dev, "Error registering pci_bus," " continuing...\n"); - else + else { + child_bus->is_added = 1; retval = device_create_file(&child_bus->dev, &dev_attr_cpuaffinity); + } if (retval) dev_err(&dev->dev, "Error creating cpuaffinity" " file, continuing...\n"); diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 7f4836b8e71..5fa4ba0d993 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -467,7 +467,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_ t_slot = pciehp_find_slot(ctrl, ctrl->slot_device_offset); t_slot->hpc_ops->get_adapter_status(t_slot, &value); /* Check if slot is occupied */ - if (value) { + if (value && pciehp_force) { rc = pciehp_enable_slot(t_slot); if (rc) /* -ENODEV: shouldn't happen, but deal with it */ value = 0; diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 4a23654184f..72f7476930c 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -272,21 +272,29 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state) { acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev); acpi_handle tmp; - static int state_conv[] = { - [0] = 0, - [1] = 1, - [2] = 2, - [3] = 3, - [4] = 3 + static const u8 state_conv[] = { + [PCI_D0] = ACPI_STATE_D0, + [PCI_D1] = ACPI_STATE_D1, + [PCI_D2] = ACPI_STATE_D2, + [PCI_D3hot] = ACPI_STATE_D3, + [PCI_D3cold] = ACPI_STATE_D3 }; - int acpi_state = state_conv[(int __force) state]; if (!handle) return -ENODEV; /* If the ACPI device has _EJ0, ignore the device */ if (ACPI_SUCCESS(acpi_get_handle(handle, "_EJ0", &tmp))) return 0; - return acpi_bus_set_power(handle, acpi_state); + + switch (state) { + case PCI_D0: + case PCI_D1: + case PCI_D2: + case PCI_D3hot: + case PCI_D3cold: + return acpi_bus_set_power(handle, state_conv[state]); + } + return -EINVAL; } diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c index 4065139753b..37993206ae5 100644 --- a/drivers/pnp/quirks.c +++ b/drivers/pnp/quirks.c @@ -17,7 +17,6 @@ #include <linux/slab.h> #include <linux/pnp.h> #include <linux/io.h> -#include <linux/dmi.h> #include <linux/kallsyms.h> #include "base.h" @@ -109,42 +108,73 @@ static void quirk_sb16audio_resources(struct pnp_dev *dev) "pnp: SB audio device quirk - increasing port range\n"); } -static void quirk_supermicro_h8dce_system(struct pnp_dev *dev) + +#include <linux/pci.h> + +static void quirk_system_pci_resources(struct pnp_dev *dev) { - int i; - static struct dmi_system_id supermicro_h8dce[] = { - { - .ident = "Supermicro H8DCE", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Supermicro"), - DMI_MATCH(DMI_PRODUCT_NAME, "H8DCE"), - }, - }, - { } - }; - - if (!dmi_check_system(supermicro_h8dce)) - return; + struct pci_dev *pdev = NULL; + resource_size_t pnp_start, pnp_end, pci_start, pci_end; + int i, j; /* - * On the Supermicro H8DCE, there's a system device with resources - * that overlap BAR 6 of the built-in SATA PCI adapter. If the PNP - * system device claims them, the sata_nv driver won't be able to. - * More details at: - * https://bugzilla.redhat.com/show_bug.cgi?id=280641 - * https://bugzilla.redhat.com/show_bug.cgi?id=313491 - * http://lkml.org/lkml/2008/1/9/449 - * http://thread.gmane.org/gmane.linux.acpi.devel/27312 + * Some BIOSes have PNP motherboard devices with resources that + * partially overlap PCI BARs. The PNP system driver claims these + * motherboard resources, which prevents the normal PCI driver from + * requesting them later. + * + * This patch disables the PNP resources that conflict with PCI BARs + * so they won't be claimed by the PNP system driver. */ - for (i = 0; i < PNP_MAX_MEM; i++) { - if (pnp_mem_valid(dev, i) && pnp_mem_len(dev, i) && - (pnp_mem_start(dev, i) & 0xdfef0000) == 0xdfef0000) { - dev_warn(&dev->dev, "disabling 0x%llx-0x%llx to prevent" - " conflict with sata_nv PCI device\n", - (unsigned long long) pnp_mem_start(dev, i), - (unsigned long long) (pnp_mem_start(dev, i) + - pnp_mem_len(dev, i) - 1)); - pnp_mem_flags(dev, i) = 0; + for_each_pci_dev(pdev) { + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + if (!(pci_resource_flags(pdev, i) & IORESOURCE_MEM) || + pci_resource_len(pdev, i) == 0) + continue; + + pci_start = pci_resource_start(pdev, i); + pci_end = pci_resource_end(pdev, i); + for (j = 0; j < PNP_MAX_MEM; j++) { + if (!pnp_mem_valid(dev, j) || + pnp_mem_len(dev, j) == 0) + continue; + + pnp_start = pnp_mem_start(dev, j); + pnp_end = pnp_mem_end(dev, j); + + /* + * If the PNP region doesn't overlap the PCI + * region at all, there's no problem. + */ + if (pnp_end < pci_start || pnp_start > pci_end) + continue; + + /* + * If the PNP region completely encloses (or is + * at least as large as) the PCI region, that's + * also OK. For example, this happens when the + * PNP device describes a bridge with PCI + * behind it. + */ + if (pnp_start <= pci_start && + pnp_end >= pci_end) + continue; + + /* + * Otherwise, the PNP region overlaps *part* of + * the PCI region, and that might prevent a PCI + * driver from requesting its resources. + */ + dev_warn(&dev->dev, "mem resource " + "(0x%llx-0x%llx) overlaps %s BAR %d " + "(0x%llx-0x%llx), disabling\n", + (unsigned long long) pnp_start, + (unsigned long long) pnp_end, + pci_name(pdev), i, + (unsigned long long) pci_start, + (unsigned long long) pci_end); + pnp_mem_flags(dev, j) = 0; + } } } } @@ -169,8 +199,8 @@ static struct pnp_fixup pnp_fixups[] = { {"CTL0043", quirk_sb16audio_resources}, {"CTL0044", quirk_sb16audio_resources}, {"CTL0045", quirk_sb16audio_resources}, - {"PNP0c01", quirk_supermicro_h8dce_system}, - {"PNP0c02", quirk_supermicro_h8dce_system}, + {"PNP0c01", quirk_system_pci_resources}, + {"PNP0c02", quirk_system_pci_resources}, {""} }; diff --git a/drivers/spi/au1550_spi.c b/drivers/spi/au1550_spi.c index c47a650183a..41a3d00c451 100644 --- a/drivers/spi/au1550_spi.c +++ b/drivers/spi/au1550_spi.c @@ -99,7 +99,7 @@ static dbdev_tab_t au1550_spi_mem_dbdev = static void au1550_spi_bits_handlers_set(struct au1550_spi *hw, int bpw); -/** +/* * compute BRG and DIV bits to setup spi clock based on main input clock rate * that was specified in platform data structure * according to au1550 datasheet: @@ -650,7 +650,7 @@ static int au1550_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t) return hw->txrx_bufs(spi, t); } -static irqreturn_t au1550_spi_irq(int irq, void *dev, struct pt_regs *regs) +static irqreturn_t au1550_spi_irq(int irq, void *dev) { struct au1550_spi *hw = dev; return hw->irq_callback(hw); diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c index f7f8580edad..71e881419cd 100644 --- a/drivers/spi/spi_bitbang.c +++ b/drivers/spi/spi_bitbang.c @@ -344,12 +344,14 @@ static void bitbang_work(struct work_struct *work) t->rx_dma = t->tx_dma = 0; status = bitbang->txrx_bufs(spi, t); } + if (status > 0) + m->actual_length += status; if (status != t->len) { - if (status > 0) - status = -EMSGSIZE; + /* always report some kind of error */ + if (status >= 0) + status = -EREMOTEIO; break; } - m->actual_length += status; status = 0; /* protocol tweaks before next transfer */ diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 69f19f22487..3ab313ed441 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -4,6 +4,7 @@ menuconfig THERMAL bool "Generic Thermal sysfs driver" + select HWMON default y help Generic Thermal Sysfs driver offers a generic mechanism for diff --git a/drivers/thermal/thermal.c b/drivers/thermal/thermal.c index 8b86e53ccf7..41bd4c805ac 100644 --- a/drivers/thermal/thermal.c +++ b/drivers/thermal/thermal.c @@ -30,8 +30,10 @@ #include <linux/idr.h> #include <linux/thermal.h> #include <linux/spinlock.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> -MODULE_AUTHOR("Zhang Rui") +MODULE_AUTHOR("Zhang Rui"); MODULE_DESCRIPTION("Generic thermal management sysfs support"); MODULE_LICENSE("GPL"); @@ -56,6 +58,9 @@ static LIST_HEAD(thermal_tz_list); static LIST_HEAD(thermal_cdev_list); static DEFINE_MUTEX(thermal_list_lock); +static struct device *thermal_hwmon; +#define MAX_THERMAL_ZONES 10 + static int get_idr(struct idr *idr, struct mutex *lock, int *id) { int err; @@ -87,7 +92,67 @@ static void release_idr(struct idr *idr, struct mutex *lock, int id) mutex_unlock(lock); } -/* sys I/F for thermal zone */ +/* hwmon sys I/F*/ +static ssize_t +name_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "thermal_sys_class\n"); +} + +static ssize_t +temp_input_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct thermal_zone_device *tz; + struct sensor_device_attribute *sensor_attr + = to_sensor_dev_attr(attr); + + list_for_each_entry(tz, &thermal_tz_list, node) + if (tz->id == sensor_attr->index) + return tz->ops->get_temp(tz, buf); + + return -ENODEV; +} + +static ssize_t +temp_crit_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct thermal_zone_device *tz; + struct sensor_device_attribute *sensor_attr + = to_sensor_dev_attr(attr); + + list_for_each_entry(tz, &thermal_tz_list, node) + if (tz->id == sensor_attr->index) + return tz->ops->get_trip_temp(tz, 0, buf); + + return -ENODEV; +} + +static DEVICE_ATTR(name, 0444, name_show, NULL); +static struct sensor_device_attribute sensor_attrs[] = { + SENSOR_ATTR(temp1_input, 0444, temp_input_show, NULL, 0), + SENSOR_ATTR(temp1_crit, 0444, temp_crit_show, NULL, 0), + SENSOR_ATTR(temp2_input, 0444, temp_input_show, NULL, 1), + SENSOR_ATTR(temp2_crit, 0444, temp_crit_show, NULL, 1), + SENSOR_ATTR(temp3_input, 0444, temp_input_show, NULL, 2), + SENSOR_ATTR(temp3_crit, 0444, temp_crit_show, NULL, 2), + SENSOR_ATTR(temp4_input, 0444, temp_input_show, NULL, 3), + SENSOR_ATTR(temp4_crit, 0444, temp_crit_show, NULL, 3), + SENSOR_ATTR(temp5_input, 0444, temp_input_show, NULL, 4), + SENSOR_ATTR(temp5_crit, 0444, temp_crit_show, NULL, 4), + SENSOR_ATTR(temp6_input, 0444, temp_input_show, NULL, 5), + SENSOR_ATTR(temp6_crit, 0444, temp_crit_show, NULL, 5), + SENSOR_ATTR(temp7_input, 0444, temp_input_show, NULL, 6), + SENSOR_ATTR(temp7_crit, 0444, temp_crit_show, NULL, 6), + SENSOR_ATTR(temp8_input, 0444, temp_input_show, NULL, 7), + SENSOR_ATTR(temp8_crit, 0444, temp_crit_show, NULL, 7), + SENSOR_ATTR(temp9_input, 0444, temp_input_show, NULL, 8), + SENSOR_ATTR(temp9_crit, 0444, temp_crit_show, NULL, 8), + SENSOR_ATTR(temp10_input, 0444, temp_input_show, NULL, 9), + SENSOR_ATTR(temp10_crit, 0444, temp_crit_show, NULL, 9), +}; + +/* thermal zone sys I/F */ #define to_thermal_zone(_dev) \ container_of(_dev, struct thermal_zone_device, device) @@ -214,7 +279,7 @@ do { \ device_remove_file(_dev, &trip_point_attrs[_index * 2 + 1]); \ } while (0) -/* sys I/F for cooling device */ +/* cooling device sys I/F */ #define to_cooling_device(_dev) \ container_of(_dev, struct thermal_cooling_device, device) @@ -447,6 +512,9 @@ struct thermal_cooling_device *thermal_cooling_device_register(char *type, struct thermal_zone_device *pos; int result; + if (!type) + return ERR_PTR(-EINVAL); + if (strlen(type) >= THERMAL_NAME_LENGTH) return ERR_PTR(-EINVAL); @@ -477,11 +545,9 @@ struct thermal_cooling_device *thermal_cooling_device_register(char *type, } /* sys I/F */ - if (type) { - result = device_create_file(&cdev->device, &dev_attr_cdev_type); - if (result) - goto unregister; - } + result = device_create_file(&cdev->device, &dev_attr_cdev_type); + if (result) + goto unregister; result = device_create_file(&cdev->device, &dev_attr_max_state); if (result) @@ -547,8 +613,8 @@ void thermal_cooling_device_unregister(struct tz->ops->unbind(tz, cdev); } mutex_unlock(&thermal_list_lock); - if (cdev->type[0]) - device_remove_file(&cdev->device, &dev_attr_cdev_type); + + device_remove_file(&cdev->device, &dev_attr_cdev_type); device_remove_file(&cdev->device, &dev_attr_max_state); device_remove_file(&cdev->device, &dev_attr_cur_state); @@ -580,6 +646,9 @@ struct thermal_zone_device *thermal_zone_device_register(char *type, int result; int count; + if (!type) + return ERR_PTR(-EINVAL); + if (strlen(type) >= THERMAL_NAME_LENGTH) return ERR_PTR(-EINVAL); @@ -601,6 +670,13 @@ struct thermal_zone_device *thermal_zone_device_register(char *type, kfree(tz); return ERR_PTR(result); } + if (tz->id >= MAX_THERMAL_ZONES) { + printk(KERN_ERR PREFIX + "Too many thermal zones\n"); + release_idr(&thermal_tz_idr, &thermal_idr_lock, tz->id); + kfree(tz); + return ERR_PTR(-EINVAL); + } strcpy(tz->type, type); tz->ops = ops; @@ -615,13 +691,28 @@ struct thermal_zone_device *thermal_zone_device_register(char *type, return ERR_PTR(result); } - /* sys I/F */ - if (type) { - result = device_create_file(&tz->device, &dev_attr_type); - if (result) - goto unregister; + /* hwmon sys I/F */ + result = device_create_file(thermal_hwmon, + &sensor_attrs[tz->id * 2].dev_attr); + if (result) + goto unregister; + + if (trips > 0) { + char buf[40]; + result = tz->ops->get_trip_type(tz, 0, buf); + if (result > 0 && !strcmp(buf, "critical\n")) { + result = device_create_file(thermal_hwmon, + &sensor_attrs[tz->id * 2 + 1].dev_attr); + if (result) + goto unregister; + } } + /* sys I/F */ + result = device_create_file(&tz->device, &dev_attr_type); + if (result) + goto unregister; + result = device_create_file(&tz->device, &dev_attr_temp); if (result) goto unregister; @@ -687,8 +778,17 @@ void thermal_zone_device_unregister(struct thermal_zone_device *tz) tz->ops->unbind(tz, cdev); mutex_unlock(&thermal_list_lock); - if (tz->type[0]) - device_remove_file(&tz->device, &dev_attr_type); + device_remove_file(thermal_hwmon, + &sensor_attrs[tz->id * 2].dev_attr); + if (tz->trips > 0) { + char buf[40]; + if (tz->ops->get_trip_type(tz, 0, buf) > 0) + if (!strcmp(buf, "critical\n")) + device_remove_file(thermal_hwmon, + &sensor_attrs[tz->id * 2 + 1].dev_attr); + } + + device_remove_file(&tz->device, &dev_attr_type); device_remove_file(&tz->device, &dev_attr_temp); if (tz->ops->get_mode) device_remove_file(&tz->device, &dev_attr_mode); @@ -705,6 +805,19 @@ void thermal_zone_device_unregister(struct thermal_zone_device *tz) EXPORT_SYMBOL(thermal_zone_device_unregister); +static void thermal_exit(void) +{ + if (thermal_hwmon) { + device_remove_file(thermal_hwmon, &dev_attr_name); + hwmon_device_unregister(thermal_hwmon); + } + class_unregister(&thermal_class); + idr_destroy(&thermal_tz_idr); + idr_destroy(&thermal_cdev_idr); + mutex_destroy(&thermal_idr_lock); + mutex_destroy(&thermal_list_lock); +} + static int __init thermal_init(void) { int result = 0; @@ -716,16 +829,20 @@ static int __init thermal_init(void) mutex_destroy(&thermal_idr_lock); mutex_destroy(&thermal_list_lock); } - return result; -} -static void __exit thermal_exit(void) -{ - class_unregister(&thermal_class); - idr_destroy(&thermal_tz_idr); - idr_destroy(&thermal_cdev_idr); - mutex_destroy(&thermal_idr_lock); - mutex_destroy(&thermal_list_lock); + thermal_hwmon = hwmon_device_register(NULL); + if (IS_ERR(thermal_hwmon)) { + result = PTR_ERR(thermal_hwmon); + thermal_hwmon = NULL; + printk(KERN_ERR PREFIX + "unable to register hwmon device\n"); + thermal_exit(); + return result; + } + + result = device_create_file(thermal_hwmon, &dev_attr_name); + + return result; } subsys_initcall(thermal_init); diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index c8a4332d113..0b3efc31ee6 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -152,7 +152,7 @@ static void virtballoon_changed(struct virtio_device *vdev) wake_up(&vb->config_change); } -static inline int towards_target(struct virtio_balloon *vb) +static inline s64 towards_target(struct virtio_balloon *vb) { u32 v; __virtio_config_val(vb->vdev, @@ -176,7 +176,7 @@ static int balloon(void *_vballoon) set_freezable(); while (!kthread_should_stop()) { - int diff; + s64 diff; try_to_freeze(); wait_event_interruptible(vb->config_change, diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 26f787ddd5f..59a8f73dec7 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -177,6 +177,7 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) struct virtio_pci_device *vp_dev = opaque; struct virtio_pci_vq_info *info; irqreturn_t ret = IRQ_NONE; + unsigned long flags; u8 isr; /* reading the ISR has the effect of also clearing it so it's very @@ -197,12 +198,12 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) drv->config_changed(&vp_dev->vdev); } - spin_lock(&vp_dev->lock); + spin_lock_irqsave(&vp_dev->lock, flags); list_for_each_entry(info, &vp_dev->virtqueues, node) { if (vring_interrupt(irq, info->vq) == IRQ_HANDLED) ret = IRQ_HANDLED; } - spin_unlock(&vp_dev->lock); + spin_unlock_irqrestore(&vp_dev->lock, flags); return ret; } @@ -214,6 +215,7 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, struct virtio_pci_device *vp_dev = to_vp_device(vdev); struct virtio_pci_vq_info *info; struct virtqueue *vq; + unsigned long flags; u16 num; int err; @@ -255,9 +257,9 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, vq->priv = info; info->vq = vq; - spin_lock(&vp_dev->lock); + spin_lock_irqsave(&vp_dev->lock, flags); list_add(&info->node, &vp_dev->virtqueues); - spin_unlock(&vp_dev->lock); + spin_unlock_irqrestore(&vp_dev->lock, flags); return vq; @@ -274,10 +276,11 @@ static void vp_del_vq(struct virtqueue *vq) { struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); struct virtio_pci_vq_info *info = vq->priv; + unsigned long flags; - spin_lock(&vp_dev->lock); + spin_lock_irqsave(&vp_dev->lock, flags); list_del(&info->node); - spin_unlock(&vp_dev->lock); + spin_unlock_irqrestore(&vp_dev->lock, flags); vring_del_virtqueue(vq); diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 3a28c138213..aa714028641 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -232,7 +232,6 @@ static bool vring_enable_cb(struct virtqueue *_vq) vq->vring.avail->flags &= ~VRING_AVAIL_F_NO_INTERRUPT; mb(); if (unlikely(more_used(vq))) { - vq->vring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT; END_USE(vq); return false; } |