diff options
Diffstat (limited to 'drivers')
29 files changed, 378 insertions, 106 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index f688c214be0..fbcaa069be8 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -283,24 +283,23 @@ 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. + If unsure, don't enter a file name. + +config ACPI_CUSTOM_DSDT + bool + default ACPI_CUSTOM_DSDT_FILE != "" + config ACPI_CUSTOM_DSDT_INITRD bool "Read Custom DSDT from initramfs" depends on BLK_DEV_INITRD 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..065819ba87c 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1237,7 +1237,7 @@ 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/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/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/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/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/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/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); |