diff options
Diffstat (limited to 'drivers')
65 files changed, 902 insertions, 607 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 9b917dac773..88e42abf5d8 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -191,7 +191,6 @@ static int acpi_ac_add_fs(struct acpi_device *device) acpi_ac_dir); if (!acpi_device_dir(device)) return -ENODEV; - acpi_device_dir(device)->owner = THIS_MODULE; } /* 'state' [R] */ diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 69cbc57c2d1..3bcb5bfc45d 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -760,7 +760,6 @@ static int acpi_battery_add_fs(struct acpi_device *device) acpi_battery_dir); if (!acpi_device_dir(device)) return -ENODEV; - acpi_device_dir(device)->owner = THIS_MODULE; } for (i = 0; i < ACPI_BATTERY_NUMFILES; ++i) { diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 171fd914f43..c2f06069dcd 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -200,12 +200,10 @@ static int acpi_button_add_fs(struct acpi_device *device) if (!entry) return -ENODEV; - entry->owner = THIS_MODULE; acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), entry); if (!acpi_device_dir(device)) return -ENODEV; - acpi_device_dir(device)->owner = THIS_MODULE; /* 'info' [R] */ entry = proc_create_data(ACPI_BUTTON_FILE_INFO, @@ -522,7 +520,6 @@ static int __init acpi_button_init(void) acpi_button_dir = proc_mkdir(ACPI_BUTTON_CLASS, acpi_root_dir); if (!acpi_button_dir) return -ENODEV; - acpi_button_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_button_driver); if (result < 0) { remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir); diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index eaaee1660bd..8a02944bf92 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -193,7 +193,6 @@ static int acpi_fan_add_fs(struct acpi_device *device) acpi_fan_dir); if (!acpi_device_dir(device)) return -ENODEV; - acpi_device_dir(device)->owner = THIS_MODULE; } /* 'status' [R/W] */ @@ -347,7 +346,6 @@ static int __init acpi_fan_init(void) acpi_fan_dir = proc_mkdir(ACPI_FAN_CLASS, acpi_root_dir); if (!acpi_fan_dir) return -ENODEV; - acpi_fan_dir->owner = THIS_MODULE; #endif result = acpi_bus_register_driver(&acpi_fan_driver); diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 0cc2fd31e37..fa2f7422d23 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -359,7 +359,6 @@ static int acpi_processor_add_fs(struct acpi_device *device) if (!acpi_device_dir(device)) return -ENODEV; } - acpi_device_dir(device)->owner = THIS_MODULE; /* 'info' [R] */ entry = proc_create_data(ACPI_PROCESSOR_FILE_INFO, @@ -1137,7 +1136,6 @@ static int __init acpi_processor_init(void) acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir); if (!acpi_processor_dir) return -ENOMEM; - acpi_processor_dir->owner = THIS_MODULE; /* * Check whether the system is DMI table. If yes, OSPM diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 6050ce48187..59afd52ccc1 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -488,7 +488,6 @@ acpi_sbs_add_fs(struct proc_dir_entry **dir, if (!*dir) { return -ENODEV; } - (*dir)->owner = THIS_MODULE; } /* 'info' [R] */ diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 99e6f1f8ea4..c11f9aeca70 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -1506,7 +1506,6 @@ static int acpi_thermal_add_fs(struct acpi_device *device) acpi_thermal_dir); if (!acpi_device_dir(device)) return -ENODEV; - acpi_device_dir(device)->owner = THIS_MODULE; } /* 'state' [R] */ @@ -1875,7 +1874,6 @@ static int __init acpi_thermal_init(void) acpi_thermal_dir = proc_mkdir(ACPI_THERMAL_CLASS, acpi_root_dir); if (!acpi_thermal_dir) return -ENODEV; - acpi_thermal_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_thermal_driver); if (result < 0) { diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index bb5ed059114..67cc36dc9b8 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1125,8 +1125,6 @@ static int acpi_video_device_add_fs(struct acpi_device *device) if (!device_dir) return -ENOMEM; - device_dir->owner = THIS_MODULE; - /* 'info' [R] */ entry = proc_create_data("info", S_IRUGO, device_dir, &acpi_video_device_info_fops, acpi_driver_data(device)); @@ -1403,8 +1401,6 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) if (!device_dir) return -ENOMEM; - device_dir->owner = THIS_MODULE; - /* 'info' [R] */ entry = proc_create_data("info", S_IRUGO, device_dir, &acpi_video_bus_info_fops, @@ -2131,7 +2127,6 @@ static int __init acpi_video_init(void) acpi_video_dir = proc_mkdir(ACPI_VIDEO_CLASS, acpi_root_dir); if (!acpi_video_dir) return -ENODEV; - acpi_video_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_video_bus); if (result < 0) { diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 5b257a57bc5..e62a4ccea54 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -119,7 +119,7 @@ static ssize_t print_cpus_map(char *buf, const struct cpumask *map) #define print_cpus_func(type) \ static ssize_t print_cpus_##type(struct sysdev_class *class, char *buf) \ { \ - return print_cpus_map(buf, &cpu_##type##_map); \ + return print_cpus_map(buf, cpu_##type##_mask); \ } \ static struct sysdev_class_attribute attr_##type##_map = \ _SYSDEV_CLASS_ATTR(type, 0444, print_cpus_##type, NULL) diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index e255341682c..69b4ddb7de3 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -23,6 +23,7 @@ #include <linux/pm.h> #include <linux/resume-trace.h> #include <linux/rwsem.h> +#include <linux/interrupt.h> #include "../base.h" #include "power.h" @@ -349,7 +350,8 @@ static int resume_device_noirq(struct device *dev, pm_message_t state) * Execute the appropriate "noirq resume" callback for all devices marked * as DPM_OFF_IRQ. * - * Must be called with interrupts disabled and only one CPU running. + * Must be called under dpm_list_mtx. Device drivers should not receive + * interrupts while it's being executed. */ static void dpm_power_up(pm_message_t state) { @@ -370,14 +372,13 @@ static void dpm_power_up(pm_message_t state) * device_power_up - Turn on all devices that need special attention. * @state: PM transition of the system being carried out. * - * Power on system devices, then devices that required we shut them down - * with interrupts disabled. - * - * Must be called with interrupts disabled. + * Call the "early" resume handlers and enable device drivers to receive + * interrupts. */ void device_power_up(pm_message_t state) { dpm_power_up(state); + resume_device_irqs(); } EXPORT_SYMBOL_GPL(device_power_up); @@ -602,16 +603,17 @@ static int suspend_device_noirq(struct device *dev, pm_message_t state) * device_power_down - Shut down special devices. * @state: PM transition of the system being carried out. * - * Power down devices that require interrupts to be disabled. - * Then power down system devices. + * Prevent device drivers from receiving interrupts and call the "late" + * suspend handlers. * - * Must be called with interrupts disabled and only one CPU running. + * Must be called under dpm_list_mtx. */ int device_power_down(pm_message_t state) { struct device *dev; int error = 0; + suspend_device_irqs(); list_for_each_entry_reverse(dev, &dpm_list, power.entry) { error = suspend_device_noirq(dev, state); if (error) { @@ -621,7 +623,7 @@ int device_power_down(pm_message_t state) dev->power.status = DPM_OFF_IRQ; } if (error) - dpm_power_up(resume_event(state)); + device_power_up(resume_event(state)); return error; } EXPORT_SYMBOL_GPL(device_power_down); diff --git a/drivers/base/sys.c b/drivers/base/sys.c index cbd36cf59a0..76ce75bad91 100644 --- a/drivers/base/sys.c +++ b/drivers/base/sys.c @@ -22,6 +22,7 @@ #include <linux/pm.h> #include <linux/device.h> #include <linux/mutex.h> +#include <linux/interrupt.h> #include "base.h" @@ -369,6 +370,13 @@ int sysdev_suspend(pm_message_t state) struct sysdev_driver *drv, *err_drv; int ret; + pr_debug("Checking wake-up interrupts\n"); + + /* Return error code if there are any wake-up interrupts pending */ + ret = check_wakeup_irqs(); + if (ret) + return ret; + pr_debug("Suspending System Devices\n"); list_for_each_entry_reverse(cls, &system_kset->list, kset.kobj.entry) { diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c index 393ed6760d7..8eddef373a9 100644 --- a/drivers/block/ps3vram.c +++ b/drivers/block/ps3vram.c @@ -551,8 +551,6 @@ static void __devinit ps3vram_proc_init(struct ps3_system_bus_device *dev) dev_warn(&dev->core, "failed to create /proc entry\n"); return; } - - pde->owner = THIS_MODULE; pde->data = priv; } diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 7a88dfd4427..e93fc8d22fb 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -1944,7 +1944,7 @@ static int stat_file_read_proc(char *page, char **start, off_t off, int ipmi_smi_add_proc_entry(ipmi_smi_t smi, char *name, read_proc_t *read_proc, - void *data, struct module *owner) + void *data) { int rv = 0; #ifdef CONFIG_PROC_FS @@ -1970,7 +1970,6 @@ int ipmi_smi_add_proc_entry(ipmi_smi_t smi, char *name, } else { file->data = data; file->read_proc = read_proc; - file->owner = owner; mutex_lock(&smi->proc_entry_lock); /* Stick it on the list. */ @@ -1993,23 +1992,21 @@ static int add_proc_entries(ipmi_smi_t smi, int num) smi->proc_dir = proc_mkdir(smi->proc_dir_name, proc_ipmi_root); if (!smi->proc_dir) rv = -ENOMEM; - else - smi->proc_dir->owner = THIS_MODULE; if (rv == 0) rv = ipmi_smi_add_proc_entry(smi, "stats", stat_file_read_proc, - smi, THIS_MODULE); + smi); if (rv == 0) rv = ipmi_smi_add_proc_entry(smi, "ipmb", ipmb_file_read_proc, - smi, THIS_MODULE); + smi); if (rv == 0) rv = ipmi_smi_add_proc_entry(smi, "version", version_file_read_proc, - smi, THIS_MODULE); + smi); #endif /* CONFIG_PROC_FS */ return rv; @@ -4265,7 +4262,6 @@ static int ipmi_init_msghandler(void) return -ENOMEM; } - proc_ipmi_root->owner = THIS_MODULE; #endif /* CONFIG_PROC_FS */ setup_timer(&ipmi_timer, ipmi_timeout, 0); diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 3000135f2ea..e58ea4cd55c 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2899,7 +2899,7 @@ static int try_smi_init(struct smi_info *new_smi) rv = ipmi_smi_add_proc_entry(new_smi->intf, "type", type_file_read_proc, - new_smi, THIS_MODULE); + new_smi); if (rv) { printk(KERN_ERR "ipmi_si: Unable to create proc entry: %d\n", @@ -2909,7 +2909,7 @@ static int try_smi_init(struct smi_info *new_smi) rv = ipmi_smi_add_proc_entry(new_smi->intf, "si_stats", stat_file_read_proc, - new_smi, THIS_MODULE); + new_smi); if (rv) { printk(KERN_ERR "ipmi_si: Unable to create proc entry: %d\n", @@ -2919,7 +2919,7 @@ static int try_smi_init(struct smi_info *new_smi) rv = ipmi_smi_add_proc_entry(new_smi->intf, "params", param_read_proc, - new_smi, THIS_MODULE); + new_smi); if (rv) { printk(KERN_ERR "ipmi_si: Unable to create proc entry: %d\n", diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 8f0f7c44930..5f1b5400d96 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -68,7 +68,8 @@ static char * __init dmi_string(const struct dmi_header *dm, u8 s) * pointing to completely the wrong place for example */ static void dmi_table(u8 *buf, int len, int num, - void (*decode)(const struct dmi_header *)) + void (*decode)(const struct dmi_header *, void *), + void *private_data) { u8 *data = buf; int i = 0; @@ -89,7 +90,7 @@ static void dmi_table(u8 *buf, int len, int num, while ((data - buf < len - 1) && (data[0] || data[1])) data++; if (data - buf < len - 1) - decode(dm); + decode(dm, private_data); data += 2; i++; } @@ -99,7 +100,8 @@ static u32 dmi_base; static u16 dmi_len; static u16 dmi_num; -static int __init dmi_walk_early(void (*decode)(const struct dmi_header *)) +static int __init dmi_walk_early(void (*decode)(const struct dmi_header *, + void *)) { u8 *buf; @@ -107,7 +109,7 @@ static int __init dmi_walk_early(void (*decode)(const struct dmi_header *)) if (buf == NULL) return -1; - dmi_table(buf, dmi_len, dmi_num, decode); + dmi_table(buf, dmi_len, dmi_num, decode, NULL); dmi_iounmap(buf, dmi_len); return 0; @@ -295,7 +297,7 @@ static void __init dmi_save_extended_devices(const struct dmi_header *dm) * and machine entries. For 2.5 we should pull the smbus controller info * out of here. */ -static void __init dmi_decode(const struct dmi_header *dm) +static void __init dmi_decode(const struct dmi_header *dm, void *dummy) { switch(dm->type) { case 0: /* BIOS Information */ @@ -598,10 +600,12 @@ int dmi_get_year(int field) /** * dmi_walk - Walk the DMI table and get called back for every record * @decode: Callback function + * @private_data: Private data to be passed to the callback function * * Returns -1 when the DMI table can't be reached, 0 on success. */ -int dmi_walk(void (*decode)(const struct dmi_header *)) +int dmi_walk(void (*decode)(const struct dmi_header *, void *), + void *private_data) { u8 *buf; @@ -612,7 +616,7 @@ int dmi_walk(void (*decode)(const struct dmi_header *)) if (buf == NULL) return -1; - dmi_table(buf, dmi_len, dmi_num, decode); + dmi_table(buf, dmi_len, dmi_num, decode, private_data); iounmap(buf); return 0; diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index b4eea0292c1..51ff9b3d7ea 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -343,12 +343,13 @@ config SENSORS_FSCPOS will be called fscpos. config SENSORS_FSCHMD - tristate "FSC Poseidon, Scylla, Hermes, Heimdall and Heracles" + tristate "Fujitsu Siemens Computers sensor chips" depends on X86 && I2C help - If you say yes here you get support for various Fujitsu Siemens - Computers sensor chips, including support for the integrated - watchdog. + If you say yes here you get support for the following Fujitsu + Siemens Computers (FSC) sensor chips: Poseidon, Scylla, Hermes, + Heimdall, Heracles, Hades and Syleus including support for the + integrated watchdog. This is a merged driver for FSC sensor chips replacing the fscpos, fscscy and fscher drivers and adding support for several other FSC @@ -635,6 +636,20 @@ config SENSORS_PC87427 This driver can also be built as a module. If so, the module will be called pc87427. +config SENSORS_PCF8591 + tristate "Philips PCF8591 ADC/DAC" + depends on I2C + default n + help + If you say yes here you get support for Philips PCF8591 4-channel + ADC, 1-channel DAC chips. + + This driver can also be built as a module. If so, the module + will be called pcf8591. + + These devices are hard to detect and rarely found on mainstream + hardware. If unsure, say N. + config SENSORS_SIS5595 tristate "Silicon Integrated Systems Corp. SiS5595" depends on PCI @@ -827,7 +842,7 @@ config SENSORS_W83627HF will be called w83627hf. config SENSORS_W83627EHF - tristate "Winbond W83627EHF/DHG" + tristate "Winbond W83627EHF/EHG/DHG, W83667HG" select HWMON_VID help If you say yes here you get support for the hardware @@ -838,6 +853,8 @@ config SENSORS_W83627EHF chip suited for specific Intel processors that use PECI such as the Core 2 Duo. + This driver also supports the W83667HG chip. + This driver can also be built as a module. If so, the module will be called w83627ehf. diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 2e80f37f39e..e332d626792 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -70,6 +70,7 @@ obj-$(CONFIG_SENSORS_MAX1619) += max1619.o obj-$(CONFIG_SENSORS_MAX6650) += max6650.o obj-$(CONFIG_SENSORS_PC87360) += pc87360.o obj-$(CONFIG_SENSORS_PC87427) += pc87427.o +obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o obj-$(CONFIG_SENSORS_SIS5595) += sis5595.o obj-$(CONFIG_SENSORS_SMSC47B397)+= smsc47b397.o obj-$(CONFIG_SENSORS_SMSC47M1) += smsc47m1.o diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c index 7415381601c..53f88f51181 100644 --- a/drivers/hwmon/ds1621.c +++ b/drivers/hwmon/ds1621.c @@ -81,71 +81,84 @@ struct ds1621_data { u8 conf; /* Register encoding, combined */ }; -static int ds1621_probe(struct i2c_client *client, - const struct i2c_device_id *id); -static int ds1621_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info); -static void ds1621_init_client(struct i2c_client *client); -static int ds1621_remove(struct i2c_client *client); -static struct ds1621_data *ds1621_update_client(struct device *dev); - -static const struct i2c_device_id ds1621_id[] = { - { "ds1621", ds1621 }, - { "ds1625", ds1621 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, ds1621_id); - -/* This is the driver that will be inserted */ -static struct i2c_driver ds1621_driver = { - .class = I2C_CLASS_HWMON, - .driver = { - .name = "ds1621", - }, - .probe = ds1621_probe, - .remove = ds1621_remove, - .id_table = ds1621_id, - .detect = ds1621_detect, - .address_data = &addr_data, -}; - -/* All registers are word-sized, except for the configuration register. +/* Temperature registers are word-sized. DS1621 uses a high-byte first convention, which is exactly opposite to the SMBus standard. */ -static int ds1621_read_value(struct i2c_client *client, u8 reg) +static int ds1621_read_temp(struct i2c_client *client, u8 reg) { - if (reg == DS1621_REG_CONF) - return i2c_smbus_read_byte_data(client, reg); - else - return swab16(i2c_smbus_read_word_data(client, reg)); + int ret; + + ret = i2c_smbus_read_word_data(client, reg); + if (ret < 0) + return ret; + return swab16(ret); } -static int ds1621_write_value(struct i2c_client *client, u8 reg, u16 value) +static int ds1621_write_temp(struct i2c_client *client, u8 reg, u16 value) { - if (reg == DS1621_REG_CONF) - return i2c_smbus_write_byte_data(client, reg, value); - else - return i2c_smbus_write_word_data(client, reg, swab16(value)); + return i2c_smbus_write_word_data(client, reg, swab16(value)); } static void ds1621_init_client(struct i2c_client *client) { - int reg = ds1621_read_value(client, DS1621_REG_CONF); + u8 conf, new_conf; + + new_conf = conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF); /* switch to continuous conversion mode */ - reg &= ~ DS1621_REG_CONFIG_1SHOT; + new_conf &= ~DS1621_REG_CONFIG_1SHOT; /* setup output polarity */ if (polarity == 0) - reg &= ~DS1621_REG_CONFIG_POLARITY; + new_conf &= ~DS1621_REG_CONFIG_POLARITY; else if (polarity == 1) - reg |= DS1621_REG_CONFIG_POLARITY; + new_conf |= DS1621_REG_CONFIG_POLARITY; - ds1621_write_value(client, DS1621_REG_CONF, reg); + if (conf != new_conf) + i2c_smbus_write_byte_data(client, DS1621_REG_CONF, new_conf); /* start conversion */ i2c_smbus_write_byte(client, DS1621_COM_START); } +static struct ds1621_data *ds1621_update_client(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct ds1621_data *data = i2c_get_clientdata(client); + u8 new_conf; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + HZ + HZ / 2) + || !data->valid) { + int i; + + dev_dbg(&client->dev, "Starting ds1621 update\n"); + + data->conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF); + + for (i = 0; i < ARRAY_SIZE(data->temp); i++) + data->temp[i] = ds1621_read_temp(client, + DS1621_REG_TEMP[i]); + + /* reset alarms if necessary */ + new_conf = data->conf; + if (data->temp[0] > data->temp[1]) /* input > min */ + new_conf &= ~DS1621_ALARM_TEMP_LOW; + if (data->temp[0] < data->temp[2]) /* input < max */ + new_conf &= ~DS1621_ALARM_TEMP_HIGH; + if (data->conf != new_conf) + i2c_smbus_write_byte_data(client, DS1621_REG_CONF, + new_conf); + + data->last_updated = jiffies; + data->valid = 1; + } + + mutex_unlock(&data->update_lock); + + return data; +} + static ssize_t show_temp(struct device *dev, struct device_attribute *da, char *buf) { @@ -160,13 +173,13 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, { struct sensor_device_attribute *attr = to_sensor_dev_attr(da); struct i2c_client *client = to_i2c_client(dev); - struct ds1621_data *data = ds1621_update_client(dev); + struct ds1621_data *data = i2c_get_clientdata(client); u16 val = LM75_TEMP_TO_REG(simple_strtol(buf, NULL, 10)); mutex_lock(&data->update_lock); data->temp[attr->index] = val; - ds1621_write_value(client, DS1621_REG_TEMP[attr->index], - data->temp[attr->index]); + ds1621_write_temp(client, DS1621_REG_TEMP[attr->index], + data->temp[attr->index]); mutex_unlock(&data->update_lock); return count; } @@ -228,13 +241,14 @@ static int ds1621_detect(struct i2c_client *client, int kind, /* The NVB bit should be low if no EEPROM write has been requested during the latest 10ms, which is highly improbable in our case. */ - conf = ds1621_read_value(client, DS1621_REG_CONF); - if (conf & DS1621_REG_CONFIG_NVB) + conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF); + if (conf < 0 || conf & DS1621_REG_CONFIG_NVB) return -ENODEV; /* The 7 lowest bits of a temperature should always be 0. */ for (i = 0; i < ARRAY_SIZE(DS1621_REG_TEMP); i++) { - temp = ds1621_read_value(client, DS1621_REG_TEMP[i]); - if (temp & 0x007f) + temp = i2c_smbus_read_word_data(client, + DS1621_REG_TEMP[i]); + if (temp < 0 || (temp & 0x7f00)) return -ENODEV; } } @@ -294,45 +308,25 @@ static int ds1621_remove(struct i2c_client *client) return 0; } +static const struct i2c_device_id ds1621_id[] = { + { "ds1621", ds1621 }, + { "ds1625", ds1621 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, ds1621_id); -static struct ds1621_data *ds1621_update_client(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct ds1621_data *data = i2c_get_clientdata(client); - u8 new_conf; - - mutex_lock(&data->update_lock); - - if (time_after(jiffies, data->last_updated + HZ + HZ / 2) - || !data->valid) { - int i; - - dev_dbg(&client->dev, "Starting ds1621 update\n"); - - data->conf = ds1621_read_value(client, DS1621_REG_CONF); - - for (i = 0; i < ARRAY_SIZE(data->temp); i++) - data->temp[i] = ds1621_read_value(client, - DS1621_REG_TEMP[i]); - - /* reset alarms if necessary */ - new_conf = data->conf; - if (data->temp[0] > data->temp[1]) /* input > min */ - new_conf &= ~DS1621_ALARM_TEMP_LOW; - if (data->temp[0] < data->temp[2]) /* input < max */ - new_conf &= ~DS1621_ALARM_TEMP_HIGH; - if (data->conf != new_conf) - ds1621_write_value(client, DS1621_REG_CONF, - new_conf); - - data->last_updated = jiffies; - data->valid = 1; - } - - mutex_unlock(&data->update_lock); - - return data; -} +/* This is the driver that will be inserted */ +static struct i2c_driver ds1621_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "ds1621", + }, + .probe = ds1621_probe, + .remove = ds1621_remove, + .id_table = ds1621_id, + .detect = ds1621_detect, + .address_data = &addr_data, +}; static int __init ds1621_init(void) { diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c index d07f4ef7509..ea955edde87 100644 --- a/drivers/hwmon/fschmd.c +++ b/drivers/hwmon/fschmd.c @@ -1,6 +1,6 @@ /* fschmd.c * - * Copyright (C) 2007,2008 Hans de Goede <hdegoede@redhat.com> + * Copyright (C) 2007 - 2009 Hans de Goede <hdegoede@redhat.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -19,7 +19,7 @@ /* * Merged Fujitsu Siemens hwmon driver, supporting the Poseidon, Hermes, - * Scylla, Heracles and Heimdall chips + * Scylla, Heracles, Heimdall, Hades and Syleus chips * * Based on the original 2.4 fscscy, 2.6 fscpos, 2.6 fscher and 2.6 * (candidate) fschmd drivers: @@ -56,7 +56,7 @@ static int nowayout = WATCHDOG_NOWAYOUT; module_param(nowayout, int, 0); MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); -I2C_CLIENT_INSMOD_5(fscpos, fscher, fscscy, fschrc, fschmd); +I2C_CLIENT_INSMOD_7(fscpos, fscher, fscscy, fschrc, fschmd, fschds, fscsyl); /* * The FSCHMD registers and other defines @@ -75,9 +75,12 @@ I2C_CLIENT_INSMOD_5(fscpos, fscher, fscscy, fschrc, fschmd); #define FSCHMD_CONTROL_ALERT_LED 0x01 /* watchdog */ -#define FSCHMD_REG_WDOG_PRESET 0x28 -#define FSCHMD_REG_WDOG_STATE 0x23 -#define FSCHMD_REG_WDOG_CONTROL 0x21 +static const u8 FSCHMD_REG_WDOG_CONTROL[7] = + { 0x21, 0x21, 0x21, 0x21, 0x21, 0x28, 0x28 }; +static const u8 FSCHMD_REG_WDOG_STATE[7] = + { 0x23, 0x23, 0x23, 0x23, 0x23, 0x29, 0x29 }; +static const u8 FSCHMD_REG_WDOG_PRESET[7] = + { 0x28, 0x28, 0x28, 0x28, 0x28, 0x2a, 0x2a }; #define FSCHMD_WDOG_CONTROL_TRIGGER 0x10 #define FSCHMD_WDOG_CONTROL_STARTED 0x10 /* the same as trigger */ @@ -87,70 +90,95 @@ I2C_CLIENT_INSMOD_5(fscpos, fscher, fscscy, fschrc, fschmd); #define FSCHMD_WDOG_STATE_CARDRESET 0x02 /* voltages, weird order is to keep the same order as the old drivers */ -static const u8 FSCHMD_REG_VOLT[3] = { 0x45, 0x42, 0x48 }; +static const u8 FSCHMD_REG_VOLT[7][6] = { + { 0x45, 0x42, 0x48 }, /* pos */ + { 0x45, 0x42, 0x48 }, /* her */ + { 0x45, 0x42, 0x48 }, /* scy */ + { 0x45, 0x42, 0x48 }, /* hrc */ + { 0x45, 0x42, 0x48 }, /* hmd */ + { 0x21, 0x20, 0x22 }, /* hds */ + { 0x21, 0x20, 0x22, 0x23, 0x24, 0x25 }, /* syl */ +}; + +static const int FSCHMD_NO_VOLT_SENSORS[7] = { 3, 3, 3, 3, 3, 3, 6 }; /* minimum pwm at which the fan is driven (pwm can by increased depending on the temp. Notice that for the scy some fans share there minimum speed. Also notice that with the scy the sensor order is different than with the other chips, this order was in the 2.4 driver and kept for consistency. */ -static const u8 FSCHMD_REG_FAN_MIN[5][6] = { +static const u8 FSCHMD_REG_FAN_MIN[7][7] = { { 0x55, 0x65 }, /* pos */ { 0x55, 0x65, 0xb5 }, /* her */ { 0x65, 0x65, 0x55, 0xa5, 0x55, 0xa5 }, /* scy */ { 0x55, 0x65, 0xa5, 0xb5 }, /* hrc */ { 0x55, 0x65, 0xa5, 0xb5, 0xc5 }, /* hmd */ + { 0x55, 0x65, 0xa5, 0xb5, 0xc5 }, /* hds */ + { 0x54, 0x64, 0x74, 0x84, 0x94, 0xa4, 0xb4 }, /* syl */ }; /* actual fan speed */ -static const u8 FSCHMD_REG_FAN_ACT[5][6] = { +static const u8 FSCHMD_REG_FAN_ACT[7][7] = { { 0x0e, 0x6b, 0xab }, /* pos */ { 0x0e, 0x6b, 0xbb }, /* her */ { 0x6b, 0x6c, 0x0e, 0xab, 0x5c, 0xbb }, /* scy */ { 0x0e, 0x6b, 0xab, 0xbb }, /* hrc */ { 0x5b, 0x6b, 0xab, 0xbb, 0xcb }, /* hmd */ + { 0x5b, 0x6b, 0xab, 0xbb, 0xcb }, /* hds */ + { 0x57, 0x67, 0x77, 0x87, 0x97, 0xa7, 0xb7 }, /* syl */ }; /* fan status registers */ -static const u8 FSCHMD_REG_FAN_STATE[5][6] = { +static const u8 FSCHMD_REG_FAN_STATE[7][7] = { { 0x0d, 0x62, 0xa2 }, /* pos */ { 0x0d, 0x62, 0xb2 }, /* her */ { 0x62, 0x61, 0x0d, 0xa2, 0x52, 0xb2 }, /* scy */ { 0x0d, 0x62, 0xa2, 0xb2 }, /* hrc */ { 0x52, 0x62, 0xa2, 0xb2, 0xc2 }, /* hmd */ + { 0x52, 0x62, 0xa2, 0xb2, 0xc2 }, /* hds */ + { 0x50, 0x60, 0x70, 0x80, 0x90, 0xa0, 0xb0 }, /* syl */ }; /* fan ripple / divider registers */ -static const u8 FSCHMD_REG_FAN_RIPPLE[5][6] = { +static const u8 FSCHMD_REG_FAN_RIPPLE[7][7] = { { 0x0f, 0x6f, 0xaf }, /* pos */ { 0x0f, 0x6f, 0xbf }, /* her */ { 0x6f, 0x6f, 0x0f, 0xaf, 0x0f, 0xbf }, /* scy */ { 0x0f, 0x6f, 0xaf, 0xbf }, /* hrc */ { 0x5f, 0x6f, 0xaf, 0xbf, 0xcf }, /* hmd */ + { 0x5f, 0x6f, 0xaf, 0xbf, 0xcf }, /* hds */ + { 0x56, 0x66, 0x76, 0x86, 0x96, 0xa6, 0xb6 }, /* syl */ }; -static const int FSCHMD_NO_FAN_SENSORS[5] = { 3, 3, 6, 4, 5 }; +static const int FSCHMD_NO_FAN_SENSORS[7] = { 3, 3, 6, 4, 5, 5, 7 }; /* Fan status register bitmasks */ #define FSCHMD_FAN_ALARM 0x04 /* called fault by FSC! */ -#define FSCHMD_FAN_NOT_PRESENT 0x08 /* not documented */ +#define FSCHMD_FAN_NOT_PRESENT 0x08 +#define FSCHMD_FAN_DISABLED 0x80 /* actual temperature registers */ -static const u8 FSCHMD_REG_TEMP_ACT[5][5] = { +static const u8 FSCHMD_REG_TEMP_ACT[7][11] = { { 0x64, 0x32, 0x35 }, /* pos */ { 0x64, 0x32, 0x35 }, /* her */ { 0x64, 0xD0, 0x32, 0x35 }, /* scy */ { 0x64, 0x32, 0x35 }, /* hrc */ { 0x70, 0x80, 0x90, 0xd0, 0xe0 }, /* hmd */ + { 0x70, 0x80, 0x90, 0xd0, 0xe0 }, /* hds */ + { 0x58, 0x68, 0x78, 0x88, 0x98, 0xa8, /* syl */ + 0xb8, 0xc8, 0xd8, 0xe8, 0xf8 }, }; /* temperature state registers */ -static const u8 FSCHMD_REG_TEMP_STATE[5][5] = { +static const u8 FSCHMD_REG_TEMP_STATE[7][11] = { { 0x71, 0x81, 0x91 }, /* pos */ { 0x71, 0x81, 0x91 }, /* her */ { 0x71, 0xd1, 0x81, 0x91 }, /* scy */ { 0x71, 0x81, 0x91 }, /* hrc */ { 0x71, 0x81, 0x91, 0xd1, 0xe1 }, /* hmd */ + { 0x71, 0x81, 0x91, 0xd1, 0xe1 }, /* hds */ + { 0x59, 0x69, 0x79, 0x89, 0x99, 0xa9, /* syl */ + 0xb9, 0xc9, 0xd9, 0xe9, 0xf9 }, }; /* temperature high limit registers, FSC does not document these. Proven to be @@ -158,24 +186,31 @@ static const u8 FSCHMD_REG_TEMP_STATE[5][5] = { in the fscscy 2.4 driver. FSC has confirmed that the fschmd has registers at these addresses, but doesn't want to confirm they are the same as with the fscher?? */ -static const u8 FSCHMD_REG_TEMP_LIMIT[5][5] = { +static const u8 FSCHMD_REG_TEMP_LIMIT[7][11] = { { 0, 0, 0 }, /* pos */ { 0x76, 0x86, 0x96 }, /* her */ { 0x76, 0xd6, 0x86, 0x96 }, /* scy */ { 0x76, 0x86, 0x96 }, /* hrc */ { 0x76, 0x86, 0x96, 0xd6, 0xe6 }, /* hmd */ + { 0x76, 0x86, 0x96, 0xd6, 0xe6 }, /* hds */ + { 0x5a, 0x6a, 0x7a, 0x8a, 0x9a, 0xaa, /* syl */ + 0xba, 0xca, 0xda, 0xea, 0xfa }, }; /* These were found through experimenting with an fscher, currently they are not used, but we keep them around for future reference. + On the fscsyl AUTOP1 lives at 0x#c (so 0x5c for fan1, 0x6c for fan2, etc), + AUTOP2 lives at 0x#e, and 0x#1 is a bitmask defining which temps influence + the fan speed. static const u8 FSCHER_REG_TEMP_AUTOP1[] = { 0x73, 0x83, 0x93 }; static const u8 FSCHER_REG_TEMP_AUTOP2[] = { 0x75, 0x85, 0x95 }; */ -static const int FSCHMD_NO_TEMP_SENSORS[5] = { 3, 3, 4, 3, 5 }; +static const int FSCHMD_NO_TEMP_SENSORS[7] = { 3, 3, 4, 3, 5, 5, 11 }; /* temp status register bitmasks */ #define FSCHMD_TEMP_WORKING 0x01 #define FSCHMD_TEMP_ALERT 0x02 +#define FSCHMD_TEMP_DISABLED 0x80 /* there only really is an alarm if the sensor is working and alert == 1 */ #define FSCHMD_TEMP_ALARM_MASK \ (FSCHMD_TEMP_WORKING | FSCHMD_TEMP_ALERT) @@ -201,6 +236,8 @@ static const struct i2c_device_id fschmd_id[] = { { "fscscy", fscscy }, { "fschrc", fschrc }, { "fschmd", fschmd }, + { "fschds", fschds }, + { "fscsyl", fscsyl }, { } }; MODULE_DEVICE_TABLE(i2c, fschmd_id); @@ -242,14 +279,14 @@ struct fschmd_data { u8 watchdog_control; /* watchdog control register */ u8 watchdog_state; /* watchdog status register */ u8 watchdog_preset; /* watchdog counter preset on trigger val */ - u8 volt[3]; /* 12, 5, battery voltage */ - u8 temp_act[5]; /* temperature */ - u8 temp_status[5]; /* status of sensor */ - u8 temp_max[5]; /* high temp limit, notice: undocumented! */ - u8 fan_act[6]; /* fans revolutions per second */ - u8 fan_status[6]; /* fan status */ - u8 fan_min[6]; /* fan min value for rps */ - u8 fan_ripple[6]; /* divider for rps */ + u8 volt[6]; /* voltage */ + u8 temp_act[11]; /* temperature */ + u8 temp_status[11]; /* status of sensor */ + u8 temp_max[11]; /* high temp limit, notice: undocumented! */ + u8 fan_act[7]; /* fans revolutions per second */ + u8 fan_status[7]; /* fan status */ + u8 fan_min[7]; /* fan min value for rps */ + u8 fan_ripple[7]; /* divider for rps */ }; /* Global variables to hold information read from special DMI tables, which are @@ -257,8 +294,8 @@ struct fschmd_data { protect these with a lock as they are only modified from our attach function which always gets called with the i2c-core lock held and never accessed before the attach function is done with them. */ -static int dmi_mult[3] = { 490, 200, 100 }; -static int dmi_offset[3] = { 0, 0, 0 }; +static int dmi_mult[6] = { 490, 200, 100, 100, 200, 100 }; +static int dmi_offset[6] = { 0, 0, 0, 0, 0, 0 }; static int dmi_vref = -1; /* Somewhat ugly :( global data pointer list with all fschmd devices, so that @@ -450,10 +487,11 @@ static ssize_t show_pwm_auto_point1_pwm(struct device *dev, struct device_attribute *devattr, char *buf) { int index = to_sensor_dev_attr(devattr)->index; - int val = fschmd_update_device(dev)->fan_min[index]; + struct fschmd_data *data = fschmd_update_device(dev); + int val = data->fan_min[index]; - /* 0 = allow turning off, 1-255 = 50-100% */ - if (val) + /* 0 = allow turning off (except on the syl), 1-255 = 50-100% */ + if (val || data->kind == fscsyl - 1) val = val / 2 + 128; return sprintf(buf, "%d\n", val); @@ -466,8 +504,8 @@ static ssize_t store_pwm_auto_point1_pwm(struct device *dev, struct fschmd_data *data = dev_get_drvdata(dev); unsigned long v = simple_strtoul(buf, NULL, 10); - /* register: 0 = allow turning off, 1-255 = 50-100% */ - if (v) { + /* reg: 0 = allow turning off (except on the syl), 1-255 = 50-100% */ + if (v || data->kind == fscsyl - 1) { v = SENSORS_LIMIT(v, 128, 255); v = (v - 128) * 2 + 1; } @@ -522,11 +560,15 @@ static ssize_t store_alert_led(struct device *dev, return count; } +static DEVICE_ATTR(alert_led, 0644, show_alert_led, store_alert_led); + static struct sensor_device_attribute fschmd_attr[] = { SENSOR_ATTR(in0_input, 0444, show_in_value, NULL, 0), SENSOR_ATTR(in1_input, 0444, show_in_value, NULL, 1), SENSOR_ATTR(in2_input, 0444, show_in_value, NULL, 2), - SENSOR_ATTR(alert_led, 0644, show_alert_led, store_alert_led, 0), + SENSOR_ATTR(in3_input, 0444, show_in_value, NULL, 3), + SENSOR_ATTR(in4_input, 0444, show_in_value, NULL, 4), + SENSOR_ATTR(in5_input, 0444, show_in_value, NULL, 5), }; static struct sensor_device_attribute fschmd_temp_attr[] = { @@ -550,6 +592,30 @@ static struct sensor_device_attribute fschmd_temp_attr[] = { SENSOR_ATTR(temp5_max, 0644, show_temp_max, store_temp_max, 4), SENSOR_ATTR(temp5_fault, 0444, show_temp_fault, NULL, 4), SENSOR_ATTR(temp5_alarm, 0444, show_temp_alarm, NULL, 4), + SENSOR_ATTR(temp6_input, 0444, show_temp_value, NULL, 5), + SENSOR_ATTR(temp6_max, 0644, show_temp_max, store_temp_max, 5), + SENSOR_ATTR(temp6_fault, 0444, show_temp_fault, NULL, 5), + SENSOR_ATTR(temp6_alarm, 0444, show_temp_alarm, NULL, 5), + SENSOR_ATTR(temp7_input, 0444, show_temp_value, NULL, 6), + SENSOR_ATTR(temp7_max, 0644, show_temp_max, store_temp_max, 6), + SENSOR_ATTR(temp7_fault, 0444, show_temp_fault, NULL, 6), + SENSOR_ATTR(temp7_alarm, 0444, show_temp_alarm, NULL, 6), + SENSOR_ATTR(temp8_input, 0444, show_temp_value, NULL, 7), + SENSOR_ATTR(temp8_max, 0644, show_temp_max, store_temp_max, 7), + SENSOR_ATTR(temp8_fault, 0444, show_temp_fault, NULL, 7), + SENSOR_ATTR(temp8_alarm, 0444, show_temp_alarm, NULL, 7), + SENSOR_ATTR(temp9_input, 0444, show_temp_value, NULL, 8), + SENSOR_ATTR(temp9_max, 0644, show_temp_max, store_temp_max, 8), + SENSOR_ATTR(temp9_fault, 0444, show_temp_fault, NULL, 8), + SENSOR_ATTR(temp9_alarm, 0444, show_temp_alarm, NULL, 8), + SENSOR_ATTR(temp10_input, 0444, show_temp_value, NULL, 9), + SENSOR_ATTR(temp10_max, 0644, show_temp_max, store_temp_max, 9), + SENSOR_ATTR(temp10_fault, 0444, show_temp_fault, NULL, 9), + SENSOR_ATTR(temp10_alarm, 0444, show_temp_alarm, NULL, 9), + SENSOR_ATTR(temp11_input, 0444, show_temp_value, NULL, 10), + SENSOR_ATTR(temp11_max, 0644, show_temp_max, store_temp_max, 10), + SENSOR_ATTR(temp11_fault, 0444, show_temp_fault, NULL, 10), + SENSOR_ATTR(temp11_alarm, 0444, show_temp_alarm, NULL, 10), }; static struct sensor_device_attribute fschmd_fan_attr[] = { @@ -589,6 +655,12 @@ static struct sensor_device_attribute fschmd_fan_attr[] = { SENSOR_ATTR(fan6_fault, 0444, show_fan_fault, NULL, 5), SENSOR_ATTR(pwm6_auto_point1_pwm, 0644, show_pwm_auto_point1_pwm, store_pwm_auto_point1_pwm, 5), + SENSOR_ATTR(fan7_input, 0444, show_fan_value, NULL, 6), + SENSOR_ATTR(fan7_div, 0644, show_fan_div, store_fan_div, 6), + SENSOR_ATTR(fan7_alarm, 0444, show_fan_alarm, NULL, 6), + SENSOR_ATTR(fan7_fault, 0444, show_fan_fault, NULL, 6), + SENSOR_ATTR(pwm7_auto_point1_pwm, 0644, show_pwm_auto_point1_pwm, + store_pwm_auto_point1_pwm, 6), }; @@ -624,10 +696,11 @@ static int watchdog_set_timeout(struct fschmd_data *data, int timeout) data->watchdog_preset = DIV_ROUND_UP(timeout, resolution); /* Write new timeout value */ - i2c_smbus_write_byte_data(data->client, FSCHMD_REG_WDOG_PRESET, - data->watchdog_preset); + i2c_smbus_write_byte_data(data->client, + FSCHMD_REG_WDOG_PRESET[data->kind], data->watchdog_preset); /* Write new control register, do not trigger! */ - i2c_smbus_write_byte_data(data->client, FSCHMD_REG_WDOG_CONTROL, + i2c_smbus_write_byte_data(data->client, + FSCHMD_REG_WDOG_CONTROL[data->kind], data->watchdog_control & ~FSCHMD_WDOG_CONTROL_TRIGGER); ret = data->watchdog_preset * resolution; @@ -662,8 +735,9 @@ static int watchdog_trigger(struct fschmd_data *data) } data->watchdog_control |= FSCHMD_WDOG_CONTROL_TRIGGER; - i2c_smbus_write_byte_data(data->client, FSCHMD_REG_WDOG_CONTROL, - data->watchdog_control); + i2c_smbus_write_byte_data(data->client, + FSCHMD_REG_WDOG_CONTROL[data->kind], + data->watchdog_control); leave: mutex_unlock(&data->watchdog_lock); return ret; @@ -682,7 +756,8 @@ static int watchdog_stop(struct fschmd_data *data) data->watchdog_control &= ~FSCHMD_WDOG_CONTROL_STARTED; /* Don't store the stop flag in our watchdog control register copy, as its a write only bit (read always returns 0) */ - i2c_smbus_write_byte_data(data->client, FSCHMD_REG_WDOG_CONTROL, + i2c_smbus_write_byte_data(data->client, + FSCHMD_REG_WDOG_CONTROL[data->kind], data->watchdog_control | FSCHMD_WDOG_CONTROL_STOP); leave: mutex_unlock(&data->watchdog_lock); @@ -856,7 +931,7 @@ static struct file_operations watchdog_fops = { /* DMI decode routine to read voltage scaling factors from special DMI tables, which are available on FSC machines with an fscher or later chip. */ -static void fschmd_dmi_decode(const struct dmi_header *header) +static void fschmd_dmi_decode(const struct dmi_header *header, void *dummy) { int i, mult[3] = { 0 }, offset[3] = { 0 }, vref = 0, found = 0; @@ -912,6 +987,15 @@ static void fschmd_dmi_decode(const struct dmi_header *header) dmi_mult[i] = mult[i] * 10; dmi_offset[i] = offset[i] * 10; } + /* According to the docs there should be separate dmi entries + for the mult's and offsets of in3-5 of the syl, but on + my test machine these are not present */ + dmi_mult[3] = dmi_mult[2]; + dmi_mult[4] = dmi_mult[1]; + dmi_mult[5] = dmi_mult[2]; + dmi_offset[3] = dmi_offset[2]; + dmi_offset[4] = dmi_offset[1]; + dmi_offset[5] = dmi_offset[2]; dmi_vref = vref; } } @@ -920,8 +1004,6 @@ static int fschmd_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; - const char * const client_names[5] = { "fscpos", "fscher", "fscscy", - "fschrc", "fschmd" }; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; @@ -948,11 +1030,15 @@ static int fschmd_detect(struct i2c_client *client, int kind, kind = fschrc; else if (!strcmp(id, "HMD")) kind = fschmd; + else if (!strcmp(id, "HDS")) + kind = fschds; + else if (!strcmp(id, "SYL")) + kind = fscsyl; else return -ENODEV; } - strlcpy(info->type, client_names[kind - 1], I2C_NAME_SIZE); + strlcpy(info->type, fschmd_id[kind - 1].name, I2C_NAME_SIZE); return 0; } @@ -961,8 +1047,8 @@ static int fschmd_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct fschmd_data *data; - const char * const names[5] = { "Poseidon", "Hermes", "Scylla", - "Heracles", "Heimdall" }; + const char * const names[7] = { "Poseidon", "Hermes", "Scylla", + "Heracles", "Heimdall", "Hades", "Syleus" }; const int watchdog_minors[] = { WATCHDOG_MINOR, 212, 213, 214, 215 }; int i, err; enum chips kind = id->driver_data; @@ -991,7 +1077,7 @@ static int fschmd_probe(struct i2c_client *client, /* Read the special DMI table for fscher and newer chips */ if ((kind == fscher || kind >= fschrc) && dmi_vref == -1) { - dmi_walk(fschmd_dmi_decode); + dmi_walk(fschmd_dmi_decode, NULL); if (dmi_vref == -1) { dev_warn(&client->dev, "Couldn't get voltage scaling factors from " @@ -1000,21 +1086,25 @@ static int fschmd_probe(struct i2c_client *client, } } + /* i2c kind goes from 1-6, we want from 0-5 to address arrays */ + data->kind = kind - 1; + /* Read in some never changing registers */ data->revision = i2c_smbus_read_byte_data(client, FSCHMD_REG_REVISION); data->global_control = i2c_smbus_read_byte_data(client, FSCHMD_REG_CONTROL); data->watchdog_control = i2c_smbus_read_byte_data(client, - FSCHMD_REG_WDOG_CONTROL); + FSCHMD_REG_WDOG_CONTROL[data->kind]); data->watchdog_state = i2c_smbus_read_byte_data(client, - FSCHMD_REG_WDOG_STATE); + FSCHMD_REG_WDOG_STATE[data->kind]); data->watchdog_preset = i2c_smbus_read_byte_data(client, - FSCHMD_REG_WDOG_PRESET); + FSCHMD_REG_WDOG_PRESET[data->kind]); - /* i2c kind goes from 1-5, we want from 0-4 to address arrays */ - data->kind = kind - 1; + err = device_create_file(&client->dev, &dev_attr_alert_led); + if (err) + goto exit_detach; - for (i = 0; i < ARRAY_SIZE(fschmd_attr); i++) { + for (i = 0; i < FSCHMD_NO_VOLT_SENSORS[data->kind]; i++) { err = device_create_file(&client->dev, &fschmd_attr[i].dev_attr); if (err) @@ -1027,6 +1117,16 @@ static int fschmd_probe(struct i2c_client *client, show_temp_max) continue; + if (kind == fscsyl) { + if (i % 4 == 0) + data->temp_status[i / 4] = + i2c_smbus_read_byte_data(client, + FSCHMD_REG_TEMP_STATE + [data->kind][i / 4]); + if (data->temp_status[i / 4] & FSCHMD_TEMP_DISABLED) + continue; + } + err = device_create_file(&client->dev, &fschmd_temp_attr[i].dev_attr); if (err) @@ -1040,6 +1140,16 @@ static int fschmd_probe(struct i2c_client *client, "pwm3_auto_point1_pwm")) continue; + if (kind == fscsyl) { + if (i % 5 == 0) + data->fan_status[i / 5] = + i2c_smbus_read_byte_data(client, + FSCHMD_REG_FAN_STATE + [data->kind][i / 5]); + if (data->fan_status[i / 5] & FSCHMD_FAN_DISABLED) + continue; + } + err = device_create_file(&client->dev, &fschmd_fan_attr[i].dev_attr); if (err) @@ -1126,7 +1236,8 @@ static int fschmd_remove(struct i2c_client *client) if (data->hwmon_dev) hwmon_device_unregister(data->hwmon_dev); - for (i = 0; i < ARRAY_SIZE(fschmd_attr); i++) + device_remove_file(&client->dev, &dev_attr_alert_led); + for (i = 0; i < (FSCHMD_NO_VOLT_SENSORS[data->kind]); i++) device_remove_file(&client->dev, &fschmd_attr[i].dev_attr); for (i = 0; i < (FSCHMD_NO_TEMP_SENSORS[data->kind] * 4); i++) device_remove_file(&client->dev, @@ -1171,7 +1282,7 @@ static struct fschmd_data *fschmd_update_device(struct device *dev) data->temp_act[i] < data->temp_max[i]) i2c_smbus_write_byte_data(client, FSCHMD_REG_TEMP_STATE[data->kind][i], - FSCHMD_TEMP_ALERT); + data->temp_status[i]); } for (i = 0; i < FSCHMD_NO_FAN_SENSORS[data->kind]; i++) { @@ -1193,12 +1304,12 @@ static struct fschmd_data *fschmd_update_device(struct device *dev) data->fan_act[i]) i2c_smbus_write_byte_data(client, FSCHMD_REG_FAN_STATE[data->kind][i], - FSCHMD_FAN_ALARM); + data->fan_status[i]); } - for (i = 0; i < 3; i++) + for (i = 0; i < FSCHMD_NO_VOLT_SENSORS[data->kind]; i++) data->volt[i] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_VOLT[i]); + FSCHMD_REG_VOLT[data->kind][i]); data->last_updated = jiffies; data->valid = 1; @@ -1220,8 +1331,8 @@ static void __exit fschmd_exit(void) } MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); -MODULE_DESCRIPTION("FSC Poseidon, Hermes, Scylla, Heracles and " - "Heimdall driver"); +MODULE_DESCRIPTION("FSC Poseidon, Hermes, Scylla, Heracles, Heimdall, Hades " + "and Syleus driver"); MODULE_LICENSE("GPL"); module_init(fschmd_init); diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c index a4d92d246d5..d3612a1f198 100644 --- a/drivers/hwmon/hdaps.c +++ b/drivers/hwmon/hdaps.c @@ -65,6 +65,10 @@ #define HDAPS_INPUT_FUZZ 4 /* input event threshold */ #define HDAPS_INPUT_FLAT 4 +#define HDAPS_X_AXIS (1 << 0) +#define HDAPS_Y_AXIS (1 << 1) +#define HDAPS_BOTH_AXES (HDAPS_X_AXIS | HDAPS_Y_AXIS) + static struct platform_device *pdev; static struct input_polled_dev *hdaps_idev; static unsigned int hdaps_invert; @@ -182,11 +186,11 @@ static int __hdaps_read_pair(unsigned int port1, unsigned int port2, km_activity = inb(HDAPS_PORT_KMACT); __device_complete(); - /* if hdaps_invert is set, negate the two values */ - if (hdaps_invert) { + /* hdaps_invert is a bitvector to negate the axes */ + if (hdaps_invert & HDAPS_X_AXIS) *x = -*x; + if (hdaps_invert & HDAPS_Y_AXIS) *y = -*y; - } return 0; } @@ -436,7 +440,8 @@ static ssize_t hdaps_invert_store(struct device *dev, { int invert; - if (sscanf(buf, "%d", &invert) != 1 || (invert != 1 && invert != 0)) + if (sscanf(buf, "%d", &invert) != 1 || + invert < 0 || invert > HDAPS_BOTH_AXES) return -EINVAL; hdaps_invert = invert; @@ -483,56 +488,52 @@ static int __init hdaps_dmi_match(const struct dmi_system_id *id) /* hdaps_dmi_match_invert - found an inverted match. */ static int __init hdaps_dmi_match_invert(const struct dmi_system_id *id) { - hdaps_invert = 1; - printk(KERN_INFO "hdaps: inverting axis readings.\n"); + hdaps_invert = (unsigned long)id->driver_data; + printk(KERN_INFO "hdaps: inverting axis (%u) readings.\n", + hdaps_invert); return hdaps_dmi_match(id); } -#define HDAPS_DMI_MATCH_NORMAL(vendor, model) { \ - .ident = vendor " " model, \ - .callback = hdaps_dmi_match, \ - .matches = { \ - DMI_MATCH(DMI_BOARD_VENDOR, vendor), \ - DMI_MATCH(DMI_PRODUCT_VERSION, model) \ - } \ -} - -#define HDAPS_DMI_MATCH_INVERT(vendor, model) { \ +#define HDAPS_DMI_MATCH_INVERT(vendor, model, axes) { \ .ident = vendor " " model, \ .callback = hdaps_dmi_match_invert, \ + .driver_data = (void *)axes, \ .matches = { \ DMI_MATCH(DMI_BOARD_VENDOR, vendor), \ DMI_MATCH(DMI_PRODUCT_VERSION, model) \ } \ } +#define HDAPS_DMI_MATCH_NORMAL(vendor, model) \ + HDAPS_DMI_MATCH_INVERT(vendor, model, 0) + /* Note that HDAPS_DMI_MATCH_NORMAL("ThinkPad T42") would match "ThinkPad T42p", so the order of the entries matters. If your ThinkPad is not recognized, please update to latest BIOS. This is especially the case for some R52 ThinkPads. */ static struct dmi_system_id __initdata hdaps_whitelist[] = { - HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p"), + HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p", HDAPS_BOTH_AXES), HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"), HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"), HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R52"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61i"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61"), - HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p"), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61i", HDAPS_BOTH_AXES), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61", HDAPS_BOTH_AXES), + HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p", HDAPS_BOTH_AXES), HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T41"), - HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T42p"), + HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T42p", HDAPS_BOTH_AXES), HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T42"), HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T43"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T60"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61p"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61"), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T60", HDAPS_BOTH_AXES), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61p", HDAPS_BOTH_AXES), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61", HDAPS_BOTH_AXES), HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad X40"), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad X41"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X60"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61s"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61"), + HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad X41", HDAPS_Y_AXIS), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X60", HDAPS_BOTH_AXES), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61s", HDAPS_BOTH_AXES), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61", HDAPS_BOTH_AXES), HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad Z60m"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61m"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61p"), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61m", HDAPS_BOTH_AXES), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61p", HDAPS_BOTH_AXES), { .ident = NULL } }; @@ -627,8 +628,9 @@ static void __exit hdaps_exit(void) module_init(hdaps_init); module_exit(hdaps_exit); -module_param_named(invert, hdaps_invert, bool, 0); -MODULE_PARM_DESC(invert, "invert data along each axis"); +module_param_named(invert, hdaps_invert, int, 0); +MODULE_PARM_DESC(invert, "invert data along each axis. 1 invert x-axis, " + "2 invert y-axis, 3 invert both axes."); MODULE_AUTHOR("Robert Love"); MODULE_DESCRIPTION("IBM Hard Drive Active Protection System (HDAPS) driver"); diff --git a/drivers/i2c/chips/pcf8591.c b/drivers/hwmon/pcf8591.c index 16ce3e19377..1d7ffebd679 100644 --- a/drivers/i2c/chips/pcf8591.c +++ b/drivers/hwmon/pcf8591.c @@ -1,6 +1,6 @@ /* Copyright (C) 2001-2004 Aurelien Jarno <aurelien@aurel32.net> - Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with + Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with the help of Jean Delvare <khali@linux-fr.org> This program is free software; you can redistribute it and/or modify @@ -41,13 +41,13 @@ MODULE_PARM_DESC(input_mode, " 3 = two differential inputs\n"); /* The PCF8591 control byte - 7 6 5 4 3 2 1 0 + 7 6 5 4 3 2 1 0 | 0 |AOEF| AIP | 0 |AINC| AICH | */ /* Analog Output Enable Flag (analog output active if 1) */ #define PCF8591_CONTROL_AOEF 0x40 - -/* Analog Input Programming + +/* Analog Input Programming 0x00 = four single ended inputs 0x10 = three differential inputs 0x20 = single ended and differential mixed @@ -58,7 +58,7 @@ MODULE_PARM_DESC(input_mode, #define PCF8591_CONTROL_AINC 0x04 /* Channel selection - 0x00 = channel 0 + 0x00 = channel 0 0x01 = channel 1 0x02 = channel 2 0x03 = channel 3 */ @@ -114,7 +114,7 @@ static ssize_t set_out0_output(struct device *dev, struct device_attribute *attr return -EINVAL; } -static DEVICE_ATTR(out0_output, S_IWUSR | S_IRUGO, +static DEVICE_ATTR(out0_output, S_IWUSR | S_IRUGO, show_out0_ouput, set_out0_output); static ssize_t show_out0_enable(struct device *dev, struct device_attribute *attr, char *buf) @@ -139,7 +139,7 @@ static ssize_t set_out0_enable(struct device *dev, struct device_attribute *attr return count; } -static DEVICE_ATTR(out0_enable, S_IWUSR | S_IRUGO, +static DEVICE_ATTR(out0_enable, S_IWUSR | S_IRUGO, show_out0_enable, set_out0_enable); static struct attribute *pcf8591_attributes[] = { @@ -196,7 +196,7 @@ static int pcf8591_probe(struct i2c_client *client, err = -ENOMEM; goto exit; } - + i2c_set_clientdata(client, data); mutex_init(&data->update_lock); @@ -249,8 +249,8 @@ static void pcf8591_init_client(struct i2c_client *client) data->aout = PCF8591_INIT_AOUT; i2c_smbus_write_byte_data(client, data->control, data->aout); - - /* The first byte transmitted contains the conversion code of the + + /* The first byte transmitted contains the conversion code of the previous read cycle. FLUSH IT! */ i2c_smbus_read_byte(client); } @@ -267,8 +267,8 @@ static int pcf8591_read_channel(struct device *dev, int channel) data->control = (data->control & ~PCF8591_CONTROL_AICH_MASK) | channel; i2c_smbus_write_byte(client, data->control); - - /* The first byte transmitted contains the conversion code of + + /* The first byte transmitted contains the conversion code of the previous read cycle. FLUSH IT! */ i2c_smbus_read_byte(client); } diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index feae743ba99..e64b42058b2 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -36,6 +36,7 @@ w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3 0x8860 0xa1 w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3 + w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3 */ #include <linux/module.h> @@ -52,12 +53,13 @@ #include <asm/io.h> #include "lm75.h" -enum kinds { w83627ehf, w83627dhg }; +enum kinds { w83627ehf, w83627dhg, w83667hg }; /* used to set data->name = w83627ehf_device_names[data->sio_kind] */ static const char * w83627ehf_device_names[] = { "w83627ehf", "w83627dhg", + "w83667hg", }; static unsigned short force_id; @@ -71,6 +73,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID"); */ #define W83627EHF_LD_HWM 0x0b +#define W83667HG_LD_VID 0x0d #define SIO_REG_LDSEL 0x07 /* Logical device select */ #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ @@ -83,6 +86,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID"); #define SIO_W83627EHF_ID 0x8850 #define SIO_W83627EHG_ID 0x8860 #define SIO_W83627DHG_ID 0xa020 +#define SIO_W83667HG_ID 0xa510 #define SIO_ID_MASK 0xFFF0 static inline void @@ -289,6 +293,7 @@ struct w83627ehf_data { u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */ u8 pwm_enable[4]; /* 1->manual 2->thermal cruise (also called SmartFan I) */ + u8 pwm_num; /* number of pwm */ u8 pwm[4]; u8 target_temp[4]; u8 tolerance[4]; @@ -298,6 +303,9 @@ struct w83627ehf_data { u8 vid; u8 vrm; + + u8 temp3_disable; + u8 in6_skip; }; struct w83627ehf_sio_data { @@ -866,25 +874,37 @@ show_temp_type(struct device *dev, struct device_attribute *attr, char *buf) return sprintf(buf, "%d\n", (int)data->temp_type[nr]); } -static struct sensor_device_attribute sda_temp[] = { +static struct sensor_device_attribute sda_temp_input[] = { SENSOR_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0), SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 0), SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 1), +}; + +static struct sensor_device_attribute sda_temp_max[] = { SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1_max, store_temp1_max, 0), SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max, store_temp_max, 0), SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max, store_temp_max, 1), +}; + +static struct sensor_device_attribute sda_temp_max_hyst[] = { SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1_max_hyst, store_temp1_max_hyst, 0), SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, store_temp_max_hyst, 0), SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, store_temp_max_hyst, 1), +}; + +static struct sensor_device_attribute sda_temp_alarm[] = { SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4), SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5), SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), +}; + +static struct sensor_device_attribute sda_temp_type[] = { SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0), SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1), SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2), @@ -1181,6 +1201,8 @@ static void w83627ehf_device_remove_files(struct device *dev) for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr); for (i = 0; i < data->in_num; i++) { + if ((i == 6) && data->in6_skip) + continue; device_remove_file(dev, &sda_in_input[i].dev_attr); device_remove_file(dev, &sda_in_alarm[i].dev_attr); device_remove_file(dev, &sda_in_min[i].dev_attr); @@ -1192,15 +1214,22 @@ static void w83627ehf_device_remove_files(struct device *dev) device_remove_file(dev, &sda_fan_div[i].dev_attr); device_remove_file(dev, &sda_fan_min[i].dev_attr); } - for (i = 0; i < 4; i++) { + for (i = 0; i < data->pwm_num; i++) { device_remove_file(dev, &sda_pwm[i].dev_attr); device_remove_file(dev, &sda_pwm_mode[i].dev_attr); device_remove_file(dev, &sda_pwm_enable[i].dev_attr); device_remove_file(dev, &sda_target_temp[i].dev_attr); device_remove_file(dev, &sda_tolerance[i].dev_attr); } - for (i = 0; i < ARRAY_SIZE(sda_temp); i++) - device_remove_file(dev, &sda_temp[i].dev_attr); + for (i = 0; i < 3; i++) { + if ((i == 2) && data->temp3_disable) + continue; + device_remove_file(dev, &sda_temp_input[i].dev_attr); + device_remove_file(dev, &sda_temp_max[i].dev_attr); + device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr); + device_remove_file(dev, &sda_temp_alarm[i].dev_attr); + device_remove_file(dev, &sda_temp_type[i].dev_attr); + } device_remove_file(dev, &dev_attr_name); device_remove_file(dev, &dev_attr_cpu0_vid); @@ -1222,6 +1251,8 @@ static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data) for (i = 0; i < 2; i++) { tmp = w83627ehf_read_value(data, W83627EHF_REG_TEMP_CONFIG[i]); + if ((i == 1) && data->temp3_disable) + continue; if (tmp & 0x01) w83627ehf_write_value(data, W83627EHF_REG_TEMP_CONFIG[i], @@ -1272,8 +1303,17 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) data->name = w83627ehf_device_names[sio_data->kind]; platform_set_drvdata(pdev, data); - /* 627EHG and 627EHF have 10 voltage inputs; DHG has 9 */ - data->in_num = (sio_data->kind == w83627dhg) ? 9 : 10; + /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */ + data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9; + /* 667HG has 3 pwms */ + data->pwm_num = (sio_data->kind == w83667hg) ? 3 : 4; + + /* Check temp3 configuration bit for 667HG */ + if (sio_data->kind == w83667hg) { + data->temp3_disable = w83627ehf_read_value(data, + W83627EHF_REG_TEMP_CONFIG[1]) & 0x01; + data->in6_skip = !data->temp3_disable; + } /* Initialize the chip */ w83627ehf_init_device(data); @@ -1281,44 +1321,64 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) data->vrm = vid_which_vrm(); superio_enter(sio_data->sioreg); /* Read VID value */ - superio_select(sio_data->sioreg, W83627EHF_LD_HWM); - if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) { - /* Set VID input sensibility if needed. In theory the BIOS - should have set it, but in practice it's not always the - case. We only do it for the W83627EHF/EHG because the - W83627DHG is more complex in this respect. */ - if (sio_data->kind == w83627ehf) { - en_vrm10 = superio_inb(sio_data->sioreg, - SIO_REG_EN_VRM10); - if ((en_vrm10 & 0x08) && data->vrm == 90) { - dev_warn(dev, "Setting VID input voltage to " - "TTL\n"); - superio_outb(sio_data->sioreg, SIO_REG_EN_VRM10, - en_vrm10 & ~0x08); - } else if (!(en_vrm10 & 0x08) && data->vrm == 100) { - dev_warn(dev, "Setting VID input voltage to " - "VRM10\n"); - superio_outb(sio_data->sioreg, SIO_REG_EN_VRM10, - en_vrm10 | 0x08); - } - } - - data->vid = superio_inb(sio_data->sioreg, SIO_REG_VID_DATA); - if (sio_data->kind == w83627ehf) /* 6 VID pins only */ - data->vid &= 0x3f; - + if (sio_data->kind == w83667hg) { + /* W83667HG has different pins for VID input and output, so + we can get the VID input values directly at logical device D + 0xe3. */ + superio_select(sio_data->sioreg, W83667HG_LD_VID); + data->vid = superio_inb(sio_data->sioreg, 0xe3); err = device_create_file(dev, &dev_attr_cpu0_vid); if (err) goto exit_release; } else { - dev_info(dev, "VID pins in output mode, CPU VID not " - "available\n"); + superio_select(sio_data->sioreg, W83627EHF_LD_HWM); + if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) { + /* Set VID input sensibility if needed. In theory the + BIOS should have set it, but in practice it's not + always the case. We only do it for the W83627EHF/EHG + because the W83627DHG is more complex in this + respect. */ + if (sio_data->kind == w83627ehf) { + en_vrm10 = superio_inb(sio_data->sioreg, + SIO_REG_EN_VRM10); + if ((en_vrm10 & 0x08) && data->vrm == 90) { + dev_warn(dev, "Setting VID input " + "voltage to TTL\n"); + superio_outb(sio_data->sioreg, + SIO_REG_EN_VRM10, + en_vrm10 & ~0x08); + } else if (!(en_vrm10 & 0x08) + && data->vrm == 100) { + dev_warn(dev, "Setting VID input " + "voltage to VRM10\n"); + superio_outb(sio_data->sioreg, + SIO_REG_EN_VRM10, + en_vrm10 | 0x08); + } + } + + data->vid = superio_inb(sio_data->sioreg, + SIO_REG_VID_DATA); + if (sio_data->kind == w83627ehf) /* 6 VID pins only */ + data->vid &= 0x3f; + + err = device_create_file(dev, &dev_attr_cpu0_vid); + if (err) + goto exit_release; + } else { + dev_info(dev, "VID pins in output mode, CPU VID not " + "available\n"); + } } /* fan4 and fan5 share some pins with the GPIO and serial flash */ - - fan5pin = superio_inb(sio_data->sioreg, 0x24) & 0x2; - fan4pin = superio_inb(sio_data->sioreg, 0x29) & 0x6; + if (sio_data->kind == w83667hg) { + fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20; + fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40; + } else { + fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02); + fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06); + } superio_exit(sio_data->sioreg); /* It looks like fan4 and fan5 pins can be alternatively used @@ -1329,9 +1389,9 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) data->has_fan = 0x07; /* fan1, fan2 and fan3 */ i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1); - if ((i & (1 << 2)) && (!fan4pin)) + if ((i & (1 << 2)) && fan4pin) data->has_fan |= (1 << 3); - if (!(i & (1 << 1)) && (!fan5pin)) + if (!(i & (1 << 1)) && fan5pin) data->has_fan |= (1 << 4); /* Read fan clock dividers immediately */ @@ -1344,14 +1404,16 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) goto exit_remove; /* if fan4 is enabled create the sf3 files for it */ - if (data->has_fan & (1 << 3)) + if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4) for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) { if ((err = device_create_file(dev, &sda_sf3_arrays_fan4[i].dev_attr))) goto exit_remove; } - for (i = 0; i < data->in_num; i++) + for (i = 0; i < data->in_num; i++) { + if ((i == 6) && data->in6_skip) + continue; if ((err = device_create_file(dev, &sda_in_input[i].dev_attr)) || (err = device_create_file(dev, &sda_in_alarm[i].dev_attr)) @@ -1360,6 +1422,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) || (err = device_create_file(dev, &sda_in_max[i].dev_attr))) goto exit_remove; + } for (i = 0; i < 5; i++) { if (data->has_fan & (1 << i)) { @@ -1372,7 +1435,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) || (err = device_create_file(dev, &sda_fan_min[i].dev_attr))) goto exit_remove; - if (i < 4 && /* w83627ehf only has 4 pwm */ + if (i < data->pwm_num && ((err = device_create_file(dev, &sda_pwm[i].dev_attr)) || (err = device_create_file(dev, @@ -1387,9 +1450,21 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) } } - for (i = 0; i < ARRAY_SIZE(sda_temp); i++) - if ((err = device_create_file(dev, &sda_temp[i].dev_attr))) + for (i = 0; i < 3; i++) { + if ((i == 2) && data->temp3_disable) + continue; + if ((err = device_create_file(dev, + &sda_temp_input[i].dev_attr)) + || (err = device_create_file(dev, + &sda_temp_max[i].dev_attr)) + || (err = device_create_file(dev, + &sda_temp_max_hyst[i].dev_attr)) + || (err = device_create_file(dev, + &sda_temp_alarm[i].dev_attr)) + || (err = device_create_file(dev, + &sda_temp_type[i].dev_attr))) goto exit_remove; + } err = device_create_file(dev, &dev_attr_name); if (err) @@ -1442,6 +1517,7 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr, static const char __initdata sio_name_W83627EHF[] = "W83627EHF"; static const char __initdata sio_name_W83627EHG[] = "W83627EHG"; static const char __initdata sio_name_W83627DHG[] = "W83627DHG"; + static const char __initdata sio_name_W83667HG[] = "W83667HG"; u16 val; const char *sio_name; @@ -1466,6 +1542,10 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr, sio_data->kind = w83627dhg; sio_name = sio_name_W83627DHG; break; + case SIO_W83667HG_ID: + sio_data->kind = w83667hg; + sio_name = sio_name_W83667HG; + break; default: if (val != 0xffff) pr_debug(DRVNAME ": unsupported chip ID: 0x%04x\n", diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 230238df56c..10411848fd7 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -65,6 +65,7 @@ #include <linux/i2c.h> #include <linux/acpi.h> #include <linux/io.h> +#include <linux/dmi.h> /* I801 SMBus address offsets */ #define SMBHSTSTS (0 + i801_smba) @@ -616,10 +617,81 @@ static void __init input_apanel_init(void) static void __init input_apanel_init(void) {} #endif +#if defined CONFIG_SENSORS_FSCHMD || defined CONFIG_SENSORS_FSCHMD_MODULE +struct dmi_onboard_device_info { + const char *name; + u8 type; + unsigned short i2c_addr; + const char *i2c_type; +}; + +static struct dmi_onboard_device_info __devinitdata dmi_devices[] = { + { "Syleus", DMI_DEV_TYPE_OTHER, 0x73, "fscsyl" }, + { "Hermes", DMI_DEV_TYPE_OTHER, 0x73, "fscher" }, + { "Hades", DMI_DEV_TYPE_OTHER, 0x73, "fschds" }, +}; + +static void __devinit dmi_check_onboard_device(u8 type, const char *name, + struct i2c_adapter *adap) +{ + int i; + struct i2c_board_info info; + + for (i = 0; i < ARRAY_SIZE(dmi_devices); i++) { + /* & ~0x80, ignore enabled/disabled bit */ + if ((type & ~0x80) != dmi_devices[i].type) + continue; + if (strcmp(name, dmi_devices[i].name)) + continue; + + memset(&info, 0, sizeof(struct i2c_board_info)); + info.addr = dmi_devices[i].i2c_addr; + strlcpy(info.type, dmi_devices[i].i2c_type, I2C_NAME_SIZE); + i2c_new_device(adap, &info); + break; + } +} + +/* We use our own function to check for onboard devices instead of + dmi_find_device() as some buggy BIOS's have the devices we are interested + in marked as disabled */ +static void __devinit dmi_check_onboard_devices(const struct dmi_header *dm, + void *adap) +{ + int i, count; + + if (dm->type != 10) + return; + + count = (dm->length - sizeof(struct dmi_header)) / 2; + for (i = 0; i < count; i++) { + const u8 *d = (char *)(dm + 1) + (i * 2); + const char *name = ((char *) dm) + dm->length; + u8 type = d[0]; + u8 s = d[1]; + + if (!s) + continue; + s--; + while (s > 0 && name[0]) { + name += strlen(name) + 1; + s--; + } + if (name[0] == 0) /* Bogus string reference */ + continue; + + dmi_check_onboard_device(type, name, adap); + } +} +#endif + static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id *id) { unsigned char temp; int err; +#if defined CONFIG_SENSORS_FSCHMD || defined CONFIG_SENSORS_FSCHMD_MODULE + const char *vendor; +#endif I801_dev = dev; i801_features = 0; @@ -712,6 +784,11 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id i2c_new_device(&i801_adapter, &info); } #endif +#if defined CONFIG_SENSORS_FSCHMD || defined CONFIG_SENSORS_FSCHMD_MODULE + vendor = dmi_get_system_info(DMI_BOARD_VENDOR); + if (vendor && !strcmp(vendor, "FUJITSU SIEMENS")) + dmi_walk(dmi_check_onboard_devices, &i801_adapter); +#endif return 0; diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig index c80312c1f38..8f8c81eb0ae 100644 --- a/drivers/i2c/chips/Kconfig +++ b/drivers/i2c/chips/Kconfig @@ -64,19 +64,6 @@ config SENSORS_PCA9539 This driver is deprecated and will be dropped soon. Use drivers/gpio/pca953x.c instead. -config SENSORS_PCF8591 - tristate "Philips PCF8591" - depends on EXPERIMENTAL - default n - help - If you say yes here you get support for Philips PCF8591 chips. - - This driver can also be built as a module. If so, the module - will be called pcf8591. - - These devices are hard to detect and rarely found on mainstream - hardware. If unsure, say N. - config SENSORS_MAX6875 tristate "Maxim MAX6875 Power supply supervisor" depends on EXPERIMENTAL diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile index d142f238a2d..55a37603718 100644 --- a/drivers/i2c/chips/Makefile +++ b/drivers/i2c/chips/Makefile @@ -15,7 +15,6 @@ obj-$(CONFIG_SENSORS_MAX6875) += max6875.o obj-$(CONFIG_SENSORS_PCA9539) += pca9539.o obj-$(CONFIG_SENSORS_PCF8574) += pcf8574.o obj-$(CONFIG_PCF8575) += pcf8575.o -obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o obj-$(CONFIG_SENSORS_TSL2550) += tsl2550.o ifeq ($(CONFIG_I2C_DEBUG_CHIP),y) diff --git a/drivers/input/input.c b/drivers/input/input.c index 1730d7331a5..ec3db3ade11 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -903,8 +903,6 @@ static int __init input_proc_init(void) if (!proc_bus_input_dir) return -ENOMEM; - proc_bus_input_dir->owner = THIS_MODULE; - entry = proc_create("devices", 0, proc_bus_input_dir, &input_devices_fileops); if (!entry) diff --git a/drivers/isdn/hardware/eicon/divasi.c b/drivers/isdn/hardware/eicon/divasi.c index f4969fe0a05..69e71ebe784 100644 --- a/drivers/isdn/hardware/eicon/divasi.c +++ b/drivers/isdn/hardware/eicon/divasi.c @@ -118,7 +118,6 @@ static int DIVA_INIT_FUNCTION create_um_idi_proc(void) return (0); um_idi_proc_entry->read_proc = um_idi_proc_read; - um_idi_proc_entry->owner = THIS_MODULE; return (1); } diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c index 60156dfdc60..4845fb3cf74 100644 --- a/drivers/lguest/core.c +++ b/drivers/lguest/core.c @@ -152,8 +152,8 @@ static void unmap_switcher(void) * code. We have to check that the range is below the pfn_limit the Launcher * gave us. We have to make sure that addr + len doesn't give us a false * positive by overflowing, too. */ -int lguest_address_ok(const struct lguest *lg, - unsigned long addr, unsigned long len) +bool lguest_address_ok(const struct lguest *lg, + unsigned long addr, unsigned long len) { return (addr+len) / PAGE_SIZE < lg->pfn_limit && (addr+len >= addr); } diff --git a/drivers/lguest/interrupts_and_traps.c b/drivers/lguest/interrupts_and_traps.c index 415fab0125a..6e99adbe194 100644 --- a/drivers/lguest/interrupts_and_traps.c +++ b/drivers/lguest/interrupts_and_traps.c @@ -34,7 +34,7 @@ static int idt_type(u32 lo, u32 hi) } /* An IDT entry can't be used unless the "present" bit is set. */ -static int idt_present(u32 lo, u32 hi) +static bool idt_present(u32 lo, u32 hi) { return (hi & 0x8000); } @@ -60,7 +60,8 @@ static void push_guest_stack(struct lg_cpu *cpu, unsigned long *gstack, u32 val) * We set up the stack just like the CPU does for a real interrupt, so it's * identical for the Guest (and the standard "iret" instruction will undo * it). */ -static void set_guest_interrupt(struct lg_cpu *cpu, u32 lo, u32 hi, int has_err) +static void set_guest_interrupt(struct lg_cpu *cpu, u32 lo, u32 hi, + bool has_err) { unsigned long gstack, origstack; u32 eflags, ss, irq_enable; @@ -184,7 +185,7 @@ void maybe_do_interrupt(struct lg_cpu *cpu) /* set_guest_interrupt() takes the interrupt descriptor and a * flag to say whether this interrupt pushes an error code onto * the stack as well: virtual interrupts never do. */ - set_guest_interrupt(cpu, idt->a, idt->b, 0); + set_guest_interrupt(cpu, idt->a, idt->b, false); } /* Every time we deliver an interrupt, we update the timestamp in the @@ -244,26 +245,26 @@ void free_interrupts(void) /*H:220 Now we've got the routines to deliver interrupts, delivering traps like * page fault is easy. The only trick is that Intel decided that some traps * should have error codes: */ -static int has_err(unsigned int trap) +static bool has_err(unsigned int trap) { return (trap == 8 || (trap >= 10 && trap <= 14) || trap == 17); } /* deliver_trap() returns true if it could deliver the trap. */ -int deliver_trap(struct lg_cpu *cpu, unsigned int num) +bool deliver_trap(struct lg_cpu *cpu, unsigned int num) { /* Trap numbers are always 8 bit, but we set an impossible trap number * for traps inside the Switcher, so check that here. */ if (num >= ARRAY_SIZE(cpu->arch.idt)) - return 0; + return false; /* Early on the Guest hasn't set the IDT entries (or maybe it put a * bogus one in): if we fail here, the Guest will be killed. */ if (!idt_present(cpu->arch.idt[num].a, cpu->arch.idt[num].b)) - return 0; + return false; set_guest_interrupt(cpu, cpu->arch.idt[num].a, cpu->arch.idt[num].b, has_err(num)); - return 1; + return true; } /*H:250 Here's the hard part: returning to the Host every time a trap happens @@ -279,18 +280,19 @@ int deliver_trap(struct lg_cpu *cpu, unsigned int num) * * This routine indicates if a particular trap number could be delivered * directly. */ -static int direct_trap(unsigned int num) +static bool direct_trap(unsigned int num) { /* Hardware interrupts don't go to the Guest at all (except system * call). */ if (num >= FIRST_EXTERNAL_VECTOR && !could_be_syscall(num)) - return 0; + return false; /* The Host needs to see page faults (for shadow paging and to save the * fault address), general protection faults (in/out emulation) and - * device not available (TS handling), and of course, the hypercall - * trap. */ - return num != 14 && num != 13 && num != 7 && num != LGUEST_TRAP_ENTRY; + * device not available (TS handling), invalid opcode fault (kvm hcall), + * and of course, the hypercall trap. */ + return num != 14 && num != 13 && num != 7 && + num != 6 && num != LGUEST_TRAP_ENTRY; } /*:*/ diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h index f2c641e0bdd..ac8a4a3741b 100644 --- a/drivers/lguest/lg.h +++ b/drivers/lguest/lg.h @@ -109,8 +109,8 @@ struct lguest extern struct mutex lguest_lock; /* core.c: */ -int lguest_address_ok(const struct lguest *lg, - unsigned long addr, unsigned long len); +bool lguest_address_ok(const struct lguest *lg, + unsigned long addr, unsigned long len); void __lgread(struct lg_cpu *, void *, unsigned long, unsigned); void __lgwrite(struct lg_cpu *, unsigned long, const void *, unsigned); @@ -140,7 +140,7 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user); /* interrupts_and_traps.c: */ void maybe_do_interrupt(struct lg_cpu *cpu); -int deliver_trap(struct lg_cpu *cpu, unsigned int num); +bool deliver_trap(struct lg_cpu *cpu, unsigned int num); void load_guest_idt_entry(struct lg_cpu *cpu, unsigned int i, u32 low, u32 hi); void guest_set_stack(struct lg_cpu *cpu, u32 seg, u32 esp, unsigned int pages); @@ -173,7 +173,7 @@ void guest_pagetable_flush_user(struct lg_cpu *cpu); void guest_set_pte(struct lg_cpu *cpu, unsigned long gpgdir, unsigned long vaddr, pte_t val); void map_switcher_in_guest(struct lg_cpu *cpu, struct lguest_pages *pages); -int demand_page(struct lg_cpu *cpu, unsigned long cr2, int errcode); +bool demand_page(struct lg_cpu *cpu, unsigned long cr2, int errcode); void pin_page(struct lg_cpu *cpu, unsigned long vaddr); unsigned long guest_pa(struct lg_cpu *cpu, unsigned long vaddr); void page_table_guest_data_init(struct lg_cpu *cpu); diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c index 8132533d71f..df44d962626 100644 --- a/drivers/lguest/lguest_device.c +++ b/drivers/lguest/lguest_device.c @@ -161,7 +161,7 @@ static void set_status(struct virtio_device *vdev, u8 status) /* We set the status. */ to_lgdev(vdev)->desc->status = status; - hcall(LHCALL_NOTIFY, (max_pfn<<PAGE_SHIFT) + offset, 0, 0); + kvm_hypercall1(LHCALL_NOTIFY, (max_pfn << PAGE_SHIFT) + offset); } static void lg_set_status(struct virtio_device *vdev, u8 status) @@ -209,7 +209,7 @@ static void lg_notify(struct virtqueue *vq) * virtqueue structure. */ struct lguest_vq_info *lvq = vq->priv; - hcall(LHCALL_NOTIFY, lvq->config.pfn << PAGE_SHIFT, 0, 0); + kvm_hypercall1(LHCALL_NOTIFY, lvq->config.pfn << PAGE_SHIFT); } /* An extern declaration inside a C file is bad form. Don't do it. */ diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c index 576a8318221..a059cf9980f 100644 --- a/drivers/lguest/page_tables.c +++ b/drivers/lguest/page_tables.c @@ -199,7 +199,7 @@ static void check_gpgd(struct lg_cpu *cpu, pgd_t gpgd) * * If we fixed up the fault (ie. we mapped the address), this routine returns * true. Otherwise, it was a real fault and we need to tell the Guest. */ -int demand_page(struct lg_cpu *cpu, unsigned long vaddr, int errcode) +bool demand_page(struct lg_cpu *cpu, unsigned long vaddr, int errcode) { pgd_t gpgd; pgd_t *spgd; @@ -211,7 +211,7 @@ int demand_page(struct lg_cpu *cpu, unsigned long vaddr, int errcode) gpgd = lgread(cpu, gpgd_addr(cpu, vaddr), pgd_t); /* Toplevel not present? We can't map it in. */ if (!(pgd_flags(gpgd) & _PAGE_PRESENT)) - return 0; + return false; /* Now look at the matching shadow entry. */ spgd = spgd_addr(cpu, cpu->cpu_pgd, vaddr); @@ -222,7 +222,7 @@ int demand_page(struct lg_cpu *cpu, unsigned long vaddr, int errcode) * simple for this corner case. */ if (!ptepage) { kill_guest(cpu, "out of memory allocating pte page"); - return 0; + return false; } /* We check that the Guest pgd is OK. */ check_gpgd(cpu, gpgd); @@ -238,16 +238,16 @@ int demand_page(struct lg_cpu *cpu, unsigned long vaddr, int errcode) /* If this page isn't in the Guest page tables, we can't page it in. */ if (!(pte_flags(gpte) & _PAGE_PRESENT)) - return 0; + return false; /* Check they're not trying to write to a page the Guest wants * read-only (bit 2 of errcode == write). */ if ((errcode & 2) && !(pte_flags(gpte) & _PAGE_RW)) - return 0; + return false; /* User access to a kernel-only page? (bit 3 == user access) */ if ((errcode & 4) && !(pte_flags(gpte) & _PAGE_USER)) - return 0; + return false; /* Check that the Guest PTE flags are OK, and the page number is below * the pfn_limit (ie. not mapping the Launcher binary). */ @@ -283,7 +283,7 @@ int demand_page(struct lg_cpu *cpu, unsigned long vaddr, int errcode) * manipulated, the result returned and the code complete. A small * delay and a trace of alliteration are the only indications the Guest * has that a page fault occurred at all. */ - return 1; + return true; } /*H:360 @@ -296,7 +296,7 @@ int demand_page(struct lg_cpu *cpu, unsigned long vaddr, int errcode) * * This is a quick version which answers the question: is this virtual address * mapped by the shadow page tables, and is it writable? */ -static int page_writable(struct lg_cpu *cpu, unsigned long vaddr) +static bool page_writable(struct lg_cpu *cpu, unsigned long vaddr) { pgd_t *spgd; unsigned long flags; @@ -304,7 +304,7 @@ static int page_writable(struct lg_cpu *cpu, unsigned long vaddr) /* Look at the current top level entry: is it present? */ spgd = spgd_addr(cpu, cpu->cpu_pgd, vaddr); if (!(pgd_flags(*spgd) & _PAGE_PRESENT)) - return 0; + return false; /* Check the flags on the pte entry itself: it must be present and * writable. */ @@ -373,8 +373,10 @@ unsigned long guest_pa(struct lg_cpu *cpu, unsigned long vaddr) /* First step: get the top-level Guest page table entry. */ gpgd = lgread(cpu, gpgd_addr(cpu, vaddr), pgd_t); /* Toplevel not present? We can't map it in. */ - if (!(pgd_flags(gpgd) & _PAGE_PRESENT)) + if (!(pgd_flags(gpgd) & _PAGE_PRESENT)) { kill_guest(cpu, "Bad address %#lx", vaddr); + return -1UL; + } gpte = lgread(cpu, gpte_addr(gpgd, vaddr), pte_t); if (!(pte_flags(gpte) & _PAGE_PRESENT)) diff --git a/drivers/lguest/segments.c b/drivers/lguest/segments.c index ec6aa3f1c36..4f15439b7f1 100644 --- a/drivers/lguest/segments.c +++ b/drivers/lguest/segments.c @@ -45,7 +45,7 @@ * "Task State Segment" which controls all kinds of delicate things. The * LGUEST_CS and LGUEST_DS entries are reserved for the Switcher, and the * the Guest can't be trusted to deal with double faults. */ -static int ignored_gdt(unsigned int num) +static bool ignored_gdt(unsigned int num) { return (num == GDT_ENTRY_TSS || num == GDT_ENTRY_LGUEST_CS diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c index bf7942327bd..a6b717644be 100644 --- a/drivers/lguest/x86/core.c +++ b/drivers/lguest/x86/core.c @@ -290,6 +290,57 @@ static int emulate_insn(struct lg_cpu *cpu) return 1; } +/* Our hypercalls mechanism used to be based on direct software interrupts. + * After Anthony's "Refactor hypercall infrastructure" kvm patch, we decided to + * change over to using kvm hypercalls. + * + * KVM_HYPERCALL is actually a "vmcall" instruction, which generates an invalid + * opcode fault (fault 6) on non-VT cpus, so the easiest solution seemed to be + * an *emulation approach*: if the fault was really produced by an hypercall + * (is_hypercall() does exactly this check), we can just call the corresponding + * hypercall host implementation function. + * + * But these invalid opcode faults are notably slower than software interrupts. + * So we implemented the *patching (or rewriting) approach*: every time we hit + * the KVM_HYPERCALL opcode in Guest code, we patch it to the old "int 0x1f" + * opcode, so next time the Guest calls this hypercall it will use the + * faster trap mechanism. + * + * Matias even benchmarked it to convince you: this shows the average cycle + * cost of a hypercall. For each alternative solution mentioned above we've + * made 5 runs of the benchmark: + * + * 1) direct software interrupt: 2915, 2789, 2764, 2721, 2898 + * 2) emulation technique: 3410, 3681, 3466, 3392, 3780 + * 3) patching (rewrite) technique: 2977, 2975, 2891, 2637, 2884 + * + * One two-line function is worth a 20% hypercall speed boost! + */ +static void rewrite_hypercall(struct lg_cpu *cpu) +{ + /* This are the opcodes we use to patch the Guest. The opcode for "int + * $0x1f" is "0xcd 0x1f" but vmcall instruction is 3 bytes long, so we + * complete the sequence with a NOP (0x90). */ + u8 insn[3] = {0xcd, 0x1f, 0x90}; + + __lgwrite(cpu, guest_pa(cpu, cpu->regs->eip), insn, sizeof(insn)); +} + +static bool is_hypercall(struct lg_cpu *cpu) +{ + u8 insn[3]; + + /* This must be the Guest kernel trying to do something. + * The bottom two bits of the CS segment register are the privilege + * level. */ + if ((cpu->regs->cs & 3) != GUEST_PL) + return false; + + /* Is it a vmcall? */ + __lgread(cpu, insn, guest_pa(cpu, cpu->regs->eip), sizeof(insn)); + return insn[0] == 0x0f && insn[1] == 0x01 && insn[2] == 0xc1; +} + /*H:050 Once we've re-enabled interrupts, we look at why the Guest exited. */ void lguest_arch_handle_trap(struct lg_cpu *cpu) { @@ -337,7 +388,7 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu) break; case 32 ... 255: /* These values mean a real interrupt occurred, in which case - * the Host handler has already been run. We just do a + * the Host handler has already been run. We just do a * friendly check if another process should now be run, then * return to run the Guest again */ cond_resched(); @@ -347,6 +398,15 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu) * up the pointer now to indicate a hypercall is pending. */ cpu->hcall = (struct hcall_args *)cpu->regs; return; + case 6: + /* kvm hypercalls trigger an invalid opcode fault (6). + * We need to check if ring == GUEST_PL and + * faulting instruction == vmcall. */ + if (is_hypercall(cpu)) { + rewrite_hypercall(cpu); + return; + } + break; } /* We didn't handle the trap, so it needs to go to the Guest. */ diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c index c3b0c8c63c7..43ab0adf3b6 100644 --- a/drivers/media/video/cpia.c +++ b/drivers/media/video/cpia.c @@ -1381,9 +1381,7 @@ static void proc_cpia_create(void) { cpia_proc_root = proc_mkdir("cpia", NULL); - if (cpia_proc_root) - cpia_proc_root->owner = THIS_MODULE; - else + if (!cpia_proc_root) LOG("Unable to initialise /proc/cpia\n"); } diff --git a/drivers/message/i2o/i2o_proc.c b/drivers/message/i2o/i2o_proc.c index 9a36b5a7de5..7045c45da9b 100644 --- a/drivers/message/i2o/i2o_proc.c +++ b/drivers/message/i2o/i2o_proc.c @@ -2037,8 +2037,6 @@ static int __init i2o_proc_fs_create(void) if (!i2o_proc_dir_root) return -1; - i2o_proc_dir_root->owner = THIS_MODULE; - list_for_each_entry(c, &i2o_controllers, list) i2o_proc_iop_add(i2o_proc_dir_root, c); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 9c326a50a3e..99610f358c4 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3444,25 +3444,12 @@ static void bond_remove_proc_entry(struct bonding *bond) */ static void bond_create_proc_dir(void) { - int len = strlen(DRV_NAME); - - for (bond_proc_dir = init_net.proc_net->subdir; bond_proc_dir; - bond_proc_dir = bond_proc_dir->next) { - if ((bond_proc_dir->namelen == len) && - !memcmp(bond_proc_dir->name, DRV_NAME, len)) { - break; - } - } - if (!bond_proc_dir) { bond_proc_dir = proc_mkdir(DRV_NAME, init_net.proc_net); - if (bond_proc_dir) { - bond_proc_dir->owner = THIS_MODULE; - } else { + if (!bond_proc_dir) printk(KERN_WARNING DRV_NAME ": Warning: cannot create /proc/net/%s\n", DRV_NAME); - } } } @@ -3471,25 +3458,7 @@ static void bond_create_proc_dir(void) */ static void bond_destroy_proc_dir(void) { - struct proc_dir_entry *de; - - if (!bond_proc_dir) { - return; - } - - /* verify that the /proc dir is empty */ - for (de = bond_proc_dir->subdir; de; de = de->next) { - /* ignore . and .. */ - if (*(de->name) != '.') { - break; - } - } - - if (de) { - if (bond_proc_dir->owner == THIS_MODULE) { - bond_proc_dir->owner = NULL; - } - } else { + if (bond_proc_dir) { remove_proc_entry(DRV_NAME, init_net.proc_net); bond_proc_dir = NULL; } diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 6a38800be3f..65f55877be9 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -289,9 +289,9 @@ static int gfar_of_init(struct net_device *dev) id = of_get_property(phy, "reg", NULL); of_node_put(phy); - of_node_put(mdio); fsl_pq_mdio_bus_name(bus_name, mdio); + of_node_put(mdio); snprintf(priv->phy_bus_id, sizeof(priv->phy_bus_id), "%s:%02x", bus_name, *id); } diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c index 881bf818bb4..7459b3ac77a 100644 --- a/drivers/net/hamradio/dmascc.c +++ b/drivers/net/hamradio/dmascc.c @@ -445,6 +445,7 @@ static const struct net_device_ops scc_netdev_ops = { .ndo_stop = scc_close, .ndo_start_xmit = scc_send_packet, .ndo_do_ioctl = scc_ioctl, + .ndo_set_mac_address = scc_set_mac_address, }; static int __init setup_adapter(int card_base, int type, int n) @@ -584,7 +585,6 @@ static int __init setup_adapter(int card_base, int type, int n) dev->irq = irq; dev->netdev_ops = &scc_netdev_ops; dev->header_ops = &ax25_header_ops; - dev->set_mac_address = scc_set_mac_address; } if (register_netdev(info->dev[0])) { printk(KERN_ERR "dmascc: could not register %s\n", diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index 1243bc8e003..ac0e4b6b6b6 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -1871,13 +1871,6 @@ static int __init vlsi_mod_init(void) * without procfs - it's not required for the driver to work. */ vlsi_proc_root = proc_mkdir(PROC_DIR, NULL); - if (vlsi_proc_root) { - /* protect registered procdir against module removal. - * Because we are in the module init path there's no race - * window after create_proc_entry (and no barrier needed). - */ - vlsi_proc_root->owner = THIS_MODULE; - } ret = pci_register_driver(&vlsi_irda_driver); diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index d304d38cd5d..eceadf787a6 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -294,14 +294,12 @@ static ssize_t show_remote_port(struct netconsole_target *nt, char *buf) static ssize_t show_local_ip(struct netconsole_target *nt, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n", - HIPQUAD(nt->np.local_ip)); + return snprintf(buf, PAGE_SIZE, "%pI4\n", &nt->np.local_ip); } static ssize_t show_remote_ip(struct netconsole_target *nt, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n", - HIPQUAD(nt->np.remote_ip)); + return snprintf(buf, PAGE_SIZE, "%pI4\n", &nt->np.remote_ip); } static ssize_t show_local_mac(struct netconsole_target *nt, char *buf) @@ -438,7 +436,7 @@ static ssize_t store_local_ip(struct netconsole_target *nt, return -EINVAL; } - nt->np.local_ip = ntohl(in_aton(buf)); + nt->np.local_ip = in_aton(buf); return strnlen(buf, count); } @@ -454,7 +452,7 @@ static ssize_t store_remote_ip(struct netconsole_target *nt, return -EINVAL; } - nt->np.remote_ip = ntohl(in_aton(buf)); + nt->np.remote_ip = in_aton(buf); return strnlen(buf, count); } diff --git a/drivers/net/ni5010.c b/drivers/net/ni5010.c index 539e18ab485..2a8da476ab3 100644 --- a/drivers/net/ni5010.c +++ b/drivers/net/ni5010.c @@ -189,6 +189,17 @@ static void __init trigger_irq(int ioaddr) outb(MM_EN_XMT|MM_MUX, IE_MMODE); /* Start transmission */ } +static const struct net_device_ops ni5010_netdev_ops = { + .ndo_open = ni5010_open, + .ndo_stop = ni5010_close, + .ndo_start_xmit = ni5010_send_packet, + .ndo_set_multicast_list = ni5010_set_multicast_list, + .ndo_tx_timeout = ni5010_timeout, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = eth_mac_addr, + .ndo_change_mtu = eth_change_mtu, +}; + /* * This is the real probe routine. Linux has a history of friendly device * probes on the ISA bus. A good device probes avoids doing writes, and @@ -328,13 +339,8 @@ static int __init ni5010_probe1(struct net_device *dev, int ioaddr) outb(0, IE_RBUF); /* set buffer byte 0 to 0 again */ } printk("-> bufsize rcv/xmt=%d/%d\n", bufsize_rcv, NI5010_BUFSIZE); - memset(netdev_priv(dev), 0, sizeof(struct ni5010_local)); - dev->open = ni5010_open; - dev->stop = ni5010_close; - dev->hard_start_xmit = ni5010_send_packet; - dev->set_multicast_list = ni5010_set_multicast_list; - dev->tx_timeout = ni5010_timeout; + dev->netdev_ops = &ni5010_netdev_ops; dev->watchdog_timeo = HZ/20; dev->flags &= ~IFF_MULTICAST; /* Multicast doesn't work */ diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 50c11126a3d..02c37e2f08a 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -3441,7 +3441,8 @@ static int niu_rx_pkt_ignore(struct niu *np, struct rx_ring_info *rp) return num_rcr; } -static int niu_process_rx_pkt(struct niu *np, struct rx_ring_info *rp) +static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np, + struct rx_ring_info *rp) { unsigned int index = rp->rcr_index; struct sk_buff *skb; @@ -3518,7 +3519,7 @@ static int niu_process_rx_pkt(struct niu *np, struct rx_ring_info *rp) skb->protocol = eth_type_trans(skb, np->dev); skb_record_rx_queue(skb, rp->rx_channel); - netif_receive_skb(skb); + napi_gro_receive(napi, skb); return num_rcr; } @@ -3706,7 +3707,8 @@ static inline void niu_sync_rx_discard_stats(struct niu *np, } } -static int niu_rx_work(struct niu *np, struct rx_ring_info *rp, int budget) +static int niu_rx_work(struct napi_struct *napi, struct niu *np, + struct rx_ring_info *rp, int budget) { int qlen, rcr_done = 0, work_done = 0; struct rxdma_mailbox *mbox = rp->mbox; @@ -3728,7 +3730,7 @@ static int niu_rx_work(struct niu *np, struct rx_ring_info *rp, int budget) rcr_done = work_done = 0; qlen = min(qlen, budget); while (work_done < qlen) { - rcr_done += niu_process_rx_pkt(np, rp); + rcr_done += niu_process_rx_pkt(napi, np, rp); work_done++; } @@ -3776,7 +3778,7 @@ static int niu_poll_core(struct niu *np, struct niu_ldg *lp, int budget) if (rx_vec & (1 << rp->rx_channel)) { int this_work_done; - this_work_done = niu_rx_work(np, rp, + this_work_done = niu_rx_work(&lp->napi, np, rp, budget); budget -= this_work_done; diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index f7efcecc410..1205c2a2265 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -4392,7 +4392,7 @@ static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key, #if TG3_VLAN_TAG_USED static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag) { - return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag); + return vlan_gro_receive(&tp->napi, tp->vlgrp, vlan_tag, skb); } #endif @@ -4539,7 +4539,7 @@ static int tg3_rx(struct tg3 *tp, int budget) desc->err_vlan & RXD_VLAN_MASK); } else #endif - netif_receive_skb(skb); + napi_gro_receive(&tp->napi, skb); received++; budget--; diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 86a479f61c0..933fcfbf35e 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -3648,15 +3648,16 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma mdio = of_get_parent(phy); if (mdio == NULL) - return -1; + return -ENODEV; err = of_address_to_resource(mdio, 0, &res); - of_node_put(mdio); - - if (err) - return -1; + if (err) { + of_node_put(mdio); + return err; + } fsl_pq_mdio_bus_name(bus_name, mdio); + of_node_put(mdio); snprintf(ug_info->phy_bus_id, sizeof(ug_info->phy_bus_id), "%s:%02x", bus_name, *prop); } diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 7e80aba8a14..f21a6171c69 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -2752,7 +2752,6 @@ static const struct net_device_ops airo_netdev_ops = { .ndo_set_mac_address = airo_set_mac_address, .ndo_do_ioctl = airo_ioctl, .ndo_change_mtu = airo_change_mtu, - .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; @@ -2765,7 +2764,6 @@ static const struct net_device_ops mpi_netdev_ops = { .ndo_set_mac_address = airo_set_mac_address, .ndo_do_ioctl = airo_ioctl, .ndo_change_mtu = airo_change_mtu, - .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; @@ -4494,7 +4492,6 @@ static int setup_proc_entry( struct net_device *dev, goto fail; apriv->proc_entry->uid = proc_uid; apriv->proc_entry->gid = proc_gid; - apriv->proc_entry->owner = THIS_MODULE; /* Setup the StatsDelta */ entry = proc_create_data("StatsDelta", diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index b3449948a25..4a92af1d787 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -11593,7 +11593,6 @@ static const struct net_device_ops ipw_netdev_ops = { .ndo_set_mac_address = ipw_net_set_mac_address, .ndo_start_xmit = ieee80211_xmit, .ndo_change_mtu = ieee80211_change_mtu, - .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c index 166ed958460..e26d7b3ceab 100644 --- a/drivers/net/wireless/prism54/islpci_dev.c +++ b/drivers/net/wireless/prism54/islpci_dev.c @@ -803,7 +803,6 @@ static const struct net_device_ops islpci_netdev_ops = { .ndo_tx_timeout = islpci_eth_tx_timeout, .ndo_set_mac_address = prism54_set_mac_address, .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c index 9b244c96b22..5fabd9c0f07 100644 --- a/drivers/net/wireless/zd1201.c +++ b/drivers/net/wireless/zd1201.c @@ -1725,7 +1725,6 @@ static const struct net_device_ops zd1201_netdev_ops = { .ndo_set_multicast_list = zd1201_set_multicast, .ndo_set_mac_address = zd1201_set_mac_address, .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index b522f883d67..16240390bcd 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -351,53 +351,60 @@ static int pci_legacy_suspend(struct device *dev, pm_message_t state) { struct pci_dev * pci_dev = to_pci_dev(dev); struct pci_driver * drv = pci_dev->driver; - int i = 0; + + pci_dev->state_saved = false; if (drv && drv->suspend) { pci_power_t prev = pci_dev->current_state; + int error; - pci_dev->state_saved = false; - - i = drv->suspend(pci_dev, state); - suspend_report_result(drv->suspend, i); - if (i) - return i; - - if (pci_dev->state_saved) - goto Fixup; + error = drv->suspend(pci_dev, state); + suspend_report_result(drv->suspend, error); + if (error) + return error; - if (pci_dev->current_state != PCI_D0 + if (!pci_dev->state_saved && pci_dev->current_state != PCI_D0 && pci_dev->current_state != PCI_UNKNOWN) { WARN_ONCE(pci_dev->current_state != prev, "PCI PM: Device state not saved by %pF\n", drv->suspend); - goto Fixup; } } - pci_save_state(pci_dev); - /* - * This is for compatibility with existing code with legacy PM support. - */ - pci_pm_set_unknown_state(pci_dev); - - Fixup: pci_fixup_device(pci_fixup_suspend, pci_dev); - return i; + return 0; } static int pci_legacy_suspend_late(struct device *dev, pm_message_t state) { struct pci_dev * pci_dev = to_pci_dev(dev); struct pci_driver * drv = pci_dev->driver; - int i = 0; if (drv && drv->suspend_late) { - i = drv->suspend_late(pci_dev, state); - suspend_report_result(drv->suspend_late, i); + pci_power_t prev = pci_dev->current_state; + int error; + + error = drv->suspend_late(pci_dev, state); + suspend_report_result(drv->suspend_late, error); + if (error) + return error; + + if (!pci_dev->state_saved && pci_dev->current_state != PCI_D0 + && pci_dev->current_state != PCI_UNKNOWN) { + WARN_ONCE(pci_dev->current_state != prev, + "PCI PM: Device state not saved by %pF\n", + drv->suspend_late); + return 0; + } } - return i; + + if (!pci_dev->state_saved) + pci_save_state(pci_dev); + + pci_pm_set_unknown_state(pci_dev); + + return 0; } static int pci_legacy_resume_early(struct device *dev) @@ -422,6 +429,23 @@ static int pci_legacy_resume(struct device *dev) /* Auxiliary functions used by the new power management framework */ +/** + * pci_restore_standard_config - restore standard config registers of PCI device + * @pci_dev: PCI device to handle + */ +static int pci_restore_standard_config(struct pci_dev *pci_dev) +{ + pci_update_current_state(pci_dev, PCI_UNKNOWN); + + if (pci_dev->current_state != PCI_D0) { + int error = pci_set_power_state(pci_dev, PCI_D0); + if (error) + return error; + } + + return pci_dev->state_saved ? pci_restore_state(pci_dev) : 0; +} + static void pci_pm_default_resume_noirq(struct pci_dev *pci_dev) { pci_restore_standard_config(pci_dev); @@ -442,7 +466,6 @@ static void pci_pm_default_suspend(struct pci_dev *pci_dev) /* Disable non-bridge devices without PM support */ if (!pci_is_bridge(pci_dev)) pci_disable_enabled_device(pci_dev); - pci_save_state(pci_dev); } static bool pci_has_legacy_pm_support(struct pci_dev *pci_dev) @@ -492,13 +515,13 @@ static int pci_pm_suspend(struct device *dev) if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend(dev, PMSG_SUSPEND); + pci_dev->state_saved = false; + if (!pm) { pci_pm_default_suspend(pci_dev); goto Fixup; } - pci_dev->state_saved = false; - if (pm->suspend) { pci_power_t prev = pci_dev->current_state; int error; @@ -508,24 +531,14 @@ static int pci_pm_suspend(struct device *dev) if (error) return error; - if (pci_dev->state_saved) - goto Fixup; - - if (pci_dev->current_state != PCI_D0 + if (!pci_dev->state_saved && pci_dev->current_state != PCI_D0 && pci_dev->current_state != PCI_UNKNOWN) { WARN_ONCE(pci_dev->current_state != prev, "PCI PM: State of device not saved by %pF\n", pm->suspend); - goto Fixup; } } - if (!pci_dev->state_saved) { - pci_save_state(pci_dev); - if (!pci_is_bridge(pci_dev)) - pci_prepare_to_sleep(pci_dev); - } - Fixup: pci_fixup_device(pci_fixup_suspend, pci_dev); @@ -535,21 +548,43 @@ static int pci_pm_suspend(struct device *dev) static int pci_pm_suspend_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - struct device_driver *drv = dev->driver; - int error = 0; + struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend_late(dev, PMSG_SUSPEND); - if (drv && drv->pm && drv->pm->suspend_noirq) { - error = drv->pm->suspend_noirq(dev); - suspend_report_result(drv->pm->suspend_noirq, error); + if (!pm) { + pci_save_state(pci_dev); + return 0; } - if (!error) - pci_pm_set_unknown_state(pci_dev); + if (pm->suspend_noirq) { + pci_power_t prev = pci_dev->current_state; + int error; - return error; + error = pm->suspend_noirq(dev); + suspend_report_result(pm->suspend_noirq, error); + if (error) + return error; + + if (!pci_dev->state_saved && pci_dev->current_state != PCI_D0 + && pci_dev->current_state != PCI_UNKNOWN) { + WARN_ONCE(pci_dev->current_state != prev, + "PCI PM: State of device not saved by %pF\n", + pm->suspend_noirq); + return 0; + } + } + + if (!pci_dev->state_saved) { + pci_save_state(pci_dev); + if (!pci_is_bridge(pci_dev)) + pci_prepare_to_sleep(pci_dev); + } + + pci_pm_set_unknown_state(pci_dev); + + return 0; } static int pci_pm_resume_noirq(struct device *dev) @@ -616,13 +651,13 @@ static int pci_pm_freeze(struct device *dev) if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend(dev, PMSG_FREEZE); + pci_dev->state_saved = false; + if (!pm) { pci_pm_default_suspend(pci_dev); return 0; } - pci_dev->state_saved = false; - if (pm->freeze) { int error; @@ -632,9 +667,6 @@ static int pci_pm_freeze(struct device *dev) return error; } - if (!pci_dev->state_saved) - pci_save_state(pci_dev); - return 0; } @@ -642,20 +674,25 @@ static int pci_pm_freeze_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); struct device_driver *drv = dev->driver; - int error = 0; if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend_late(dev, PMSG_FREEZE); if (drv && drv->pm && drv->pm->freeze_noirq) { + int error; + error = drv->pm->freeze_noirq(dev); suspend_report_result(drv->pm->freeze_noirq, error); + if (error) + return error; } - if (!error) - pci_pm_set_unknown_state(pci_dev); + if (!pci_dev->state_saved) + pci_save_state(pci_dev); - return error; + pci_pm_set_unknown_state(pci_dev); + + return 0; } static int pci_pm_thaw_noirq(struct device *dev) @@ -698,46 +735,56 @@ static int pci_pm_poweroff(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - int error = 0; if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend(dev, PMSG_HIBERNATE); + pci_dev->state_saved = false; + if (!pm) { pci_pm_default_suspend(pci_dev); goto Fixup; } - pci_dev->state_saved = false; - if (pm->poweroff) { + int error; + error = pm->poweroff(dev); suspend_report_result(pm->poweroff, error); + if (error) + return error; } - if (!pci_dev->state_saved && !pci_is_bridge(pci_dev)) - pci_prepare_to_sleep(pci_dev); - Fixup: pci_fixup_device(pci_fixup_suspend, pci_dev); - return error; + return 0; } static int pci_pm_poweroff_noirq(struct device *dev) { + struct pci_dev *pci_dev = to_pci_dev(dev); struct device_driver *drv = dev->driver; - int error = 0; if (pci_has_legacy_pm_support(to_pci_dev(dev))) return pci_legacy_suspend_late(dev, PMSG_HIBERNATE); - if (drv && drv->pm && drv->pm->poweroff_noirq) { + if (!drv || !drv->pm) + return 0; + + if (drv->pm->poweroff_noirq) { + int error; + error = drv->pm->poweroff_noirq(dev); suspend_report_result(drv->pm->poweroff_noirq, error); + if (error) + return error; } - return error; + if (!pci_dev->state_saved && !pci_is_bridge(pci_dev)) + pci_prepare_to_sleep(pci_dev); + + return 0; } static int pci_pm_restore_noirq(struct device *dev) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 6d6120007af..0195066251e 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -426,7 +426,6 @@ static inline int platform_pci_sleep_wake(struct pci_dev *dev, bool enable) * given PCI device * @dev: PCI device to handle. * @state: PCI power state (D0, D1, D2, D3hot) to put the device into. - * @wait: If 'true', wait for the device to change its power state * * RETURN VALUE: * -EINVAL if the requested state is invalid. @@ -435,12 +434,15 @@ static inline int platform_pci_sleep_wake(struct pci_dev *dev, bool enable) * 0 if device already is in the requested state. * 0 if device's power state has been successfully changed. */ -static int -pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state, bool wait) +static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) { u16 pmcsr; bool need_restore = false; + /* Check if we're already there */ + if (dev->current_state == state) + return 0; + if (!dev->pm_cap) return -EIO; @@ -451,10 +453,7 @@ pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state, bool wait) * Can enter D0 from any state, but if we can only go deeper * to sleep if we're already in a low power state */ - if (dev->current_state == state) { - /* we're already there */ - return 0; - } else if (state != PCI_D0 && dev->current_state <= PCI_D3cold + if (state != PCI_D0 && dev->current_state <= PCI_D3cold && dev->current_state > state) { dev_err(&dev->dev, "invalid power transition " "(from state %d to %d)\n", dev->current_state, state); @@ -481,10 +480,8 @@ pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state, bool wait) break; case PCI_UNKNOWN: /* Boot-up */ if ((pmcsr & PCI_PM_CTRL_STATE_MASK) == PCI_D3hot - && !(pmcsr & PCI_PM_CTRL_NO_SOFT_RESET)) { + && !(pmcsr & PCI_PM_CTRL_NO_SOFT_RESET)) need_restore = true; - wait = true; - } /* Fall-through: force to D0 */ default: pmcsr = 0; @@ -494,9 +491,6 @@ pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state, bool wait) /* enter specified state */ pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, pmcsr); - if (!wait) - return 0; - /* Mandatory power management transition delays */ /* see PCI PM 1.1 5.6.1 table 18 */ if (state == PCI_D3hot || dev->current_state == PCI_D3hot) @@ -521,7 +515,7 @@ pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state, bool wait) if (need_restore) pci_restore_bars(dev); - if (wait && dev->bus->self) + if (dev->bus->self) pcie_aspm_pm_state_change(dev->bus->self); return 0; @@ -546,6 +540,53 @@ void pci_update_current_state(struct pci_dev *dev, pci_power_t state) } /** + * pci_platform_power_transition - Use platform to change device power state + * @dev: PCI device to handle. + * @state: State to put the device into. + */ +static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state) +{ + int error; + + if (platform_pci_power_manageable(dev)) { + error = platform_pci_set_power_state(dev, state); + if (!error) + pci_update_current_state(dev, state); + } else { + error = -ENODEV; + /* Fall back to PCI_D0 if native PM is not supported */ + pci_update_current_state(dev, PCI_D0); + } + + return error; +} + +/** + * __pci_start_power_transition - Start power transition of a PCI device + * @dev: PCI device to handle. + * @state: State to put the device into. + */ +static void __pci_start_power_transition(struct pci_dev *dev, pci_power_t state) +{ + if (state == PCI_D0) + pci_platform_power_transition(dev, PCI_D0); +} + +/** + * __pci_complete_power_transition - Complete power transition of a PCI device + * @dev: PCI device to handle. + * @state: State to put the device into. + * + * This function should not be called directly by device drivers. + */ +int __pci_complete_power_transition(struct pci_dev *dev, pci_power_t state) +{ + return state > PCI_D0 ? + pci_platform_power_transition(dev, state) : -EINVAL; +} +EXPORT_SYMBOL_GPL(__pci_complete_power_transition); + +/** * pci_set_power_state - Set the power state of a PCI device * @dev: PCI device to handle. * @state: PCI power state (D0, D1, D2, D3hot) to put the device into. @@ -577,30 +618,21 @@ int pci_set_power_state(struct pci_dev *dev, pci_power_t state) */ return 0; - if (state == PCI_D0 && platform_pci_power_manageable(dev)) { - /* - * Allow the platform to change the state, for example via ACPI - * _PR0, _PS0 and some such, but do not trust it. - */ - int ret = platform_pci_set_power_state(dev, PCI_D0); - if (!ret) - pci_update_current_state(dev, PCI_D0); - } + /* Check if we're already there */ + if (dev->current_state == state) + return 0; + + __pci_start_power_transition(dev, state); + /* This device is quirked not to be put into D3, so don't put it in D3 */ if (state == PCI_D3hot && (dev->dev_flags & PCI_DEV_FLAGS_NO_D3)) return 0; - error = pci_raw_set_power_state(dev, state, true); + error = pci_raw_set_power_state(dev, state); - if (state > PCI_D0 && platform_pci_power_manageable(dev)) { - /* Allow the platform to finalize the transition */ - int ret = platform_pci_set_power_state(dev, state); - if (!ret) { - pci_update_current_state(dev, state); - error = 0; - } - } + if (!__pci_complete_power_transition(dev, state)) + error = 0; return error; } @@ -1231,7 +1263,7 @@ int pci_prepare_to_sleep(struct pci_dev *dev) if (target_state == PCI_POWER_ERROR) return -EIO; - pci_enable_wake(dev, target_state, true); + pci_enable_wake(dev, target_state, device_may_wakeup(&dev->dev)); error = pci_set_power_state(dev, target_state); @@ -1381,50 +1413,6 @@ void pci_allocate_cap_save_buffers(struct pci_dev *dev) } /** - * pci_restore_standard_config - restore standard config registers of PCI device - * @dev: PCI device to handle - * - * This function assumes that the device's configuration space is accessible. - * If the device needs to be powered up, the function will wait for it to - * change the state. - */ -int pci_restore_standard_config(struct pci_dev *dev) -{ - pci_power_t prev_state; - int error; - - pci_update_current_state(dev, PCI_D0); - - prev_state = dev->current_state; - if (prev_state == PCI_D0) - goto Restore; - - error = pci_raw_set_power_state(dev, PCI_D0, false); - if (error) - return error; - - /* - * This assumes that we won't get a bus in B2 or B3 from the BIOS, but - * we've made this assumption forever and it appears to be universally - * satisfied. - */ - switch(prev_state) { - case PCI_D3cold: - case PCI_D3hot: - mdelay(pci_pm_d3_delay); - break; - case PCI_D2: - udelay(PCI_PM_D2_DELAY); - break; - } - - pci_update_current_state(dev, PCI_D0); - - Restore: - return dev->state_saved ? pci_restore_state(dev) : 0; -} - -/** * pci_enable_ari - enable ARI forwarding if hardware support it * @dev: the PCI device */ diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 07c0aa5275e..149fff65891 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -49,7 +49,6 @@ extern void pci_disable_enabled_device(struct pci_dev *dev); extern void pci_pm_init(struct pci_dev *dev); extern void platform_pci_wakeup_init(struct pci_dev *dev); extern void pci_allocate_cap_save_buffers(struct pci_dev *dev); -extern int pci_restore_standard_config(struct pci_dev *dev); static inline bool pci_is_bridge(struct pci_dev *pci_dev) { diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c index d63f26e666a..ba1f7497e4b 100644 --- a/drivers/platform/x86/asus_acpi.c +++ b/drivers/platform/x86/asus_acpi.c @@ -987,7 +987,6 @@ asus_proc_add(char *name, proc_writefunc *writefunc, proc->write_proc = writefunc; proc->read_proc = readfunc; proc->data = acpi_driver_data(device); - proc->owner = THIS_MODULE; proc->uid = asus_uid; proc->gid = asus_gid; return 0; @@ -1020,7 +1019,6 @@ static int asus_hotk_add_fs(struct acpi_device *device) if (proc) { proc->read_proc = proc_read_info; proc->data = acpi_driver_data(device); - proc->owner = THIS_MODULE; proc->uid = asus_uid; proc->gid = asus_gid; } else { @@ -1436,7 +1434,6 @@ static int __init asus_acpi_init(void) printk(KERN_ERR "Asus ACPI: Unable to create /proc entry\n"); return -ENODEV; } - asus_proc_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&asus_hotk_driver); if (result < 0) { diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index 16e11c2ee19..af9f4302117 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -103,7 +103,7 @@ static void parse_da_table(const struct dmi_header *dm) da_num_tokens += tokens; } -static void find_tokens(const struct dmi_header *dm) +static void find_tokens(const struct dmi_header *dm, void *dummy) { switch (dm->type) { case 0xd4: /* Indexed IO */ @@ -356,7 +356,7 @@ static int __init dell_init(void) if (!dmi_check_system(dell_device_table)) return -ENODEV; - dmi_walk(find_tokens); + dmi_walk(find_tokens, NULL); if (!da_tokens) { printk(KERN_INFO "dell-laptop: Unable to find dmi tokens\n"); diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index d2433204a40..3dad27a385d 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -6992,7 +6992,6 @@ static int __init ibm_init(struct ibm_init_struct *iibm) ret = -ENODEV; goto err_out; } - entry->owner = THIS_MODULE; entry->data = ibm; entry->read_proc = &dispatch_procfs_read; if (ibm->write) @@ -7405,7 +7404,6 @@ static int __init thinkpad_acpi_module_init(void) thinkpad_acpi_module_exit(); return -ENODEV; } - proc_dir->owner = THIS_MODULE; ret = platform_driver_register(&tpacpi_pdriver); if (ret) { diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 40e60fc2e59..9f187265db8 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -679,8 +679,6 @@ static acpi_status __init add_device(void) toshiba_proc_dir, (read_proc_t *) dispatch_read, item); - if (proc) - proc->owner = THIS_MODULE; if (proc && item->write_func) proc->write_proc = (write_proc_t *) dispatch_write; } @@ -772,7 +770,6 @@ static int __init toshiba_acpi_init(void) toshiba_acpi_exit(); return -ENODEV; } else { - toshiba_proc_dir->owner = THIS_MODULE; status = add_device(); if (ACPI_FAILURE(status)) { toshiba_acpi_exit(); diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c index 0c6257a034f..c086fc30a84 100644 --- a/drivers/rtc/rtc-proc.c +++ b/drivers/rtc/rtc-proc.c @@ -105,14 +105,8 @@ static const struct file_operations rtc_proc_fops = { void rtc_proc_add_device(struct rtc_device *rtc) { - if (rtc->id == 0) { - struct proc_dir_entry *ent; - - ent = proc_create_data("driver/rtc", 0, NULL, - &rtc_proc_fops, rtc); - if (ent) - ent->owner = rtc->owner; - } + if (rtc->id == 0) + proc_create_data("driver/rtc", 0, NULL, &rtc_proc_fops, rtc); } void rtc_proc_del_device(struct rtc_device *rtc) diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c index 2080ba6a69b..654daa3cdfd 100644 --- a/drivers/s390/block/dasd_proc.c +++ b/drivers/s390/block/dasd_proc.c @@ -320,7 +320,6 @@ dasd_proc_init(void) dasd_proc_root_entry = proc_mkdir("dasd", NULL); if (!dasd_proc_root_entry) goto out_nodasd; - dasd_proc_root_entry->owner = THIS_MODULE; dasd_devices_entry = proc_create("devices", S_IFREG | S_IRUGO | S_IWUSR, dasd_proc_root_entry, @@ -334,7 +333,6 @@ dasd_proc_init(void) goto out_nostatistics; dasd_statistics_entry->read_proc = dasd_statistics_read; dasd_statistics_entry->write_proc = dasd_statistics_write; - dasd_statistics_entry->owner = THIS_MODULE; return 0; out_nostatistics: diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index 099b5455bbc..b1348136964 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -596,8 +596,6 @@ int __init scsi_init_devinfo(void) error = -ENOMEM; goto out; } - - p->owner = THIS_MODULE; #endif /* CONFIG_SCSI_PROC_FS */ out: diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c index 82f7b2dd08a..77fbddb507f 100644 --- a/drivers/scsi/scsi_proc.c +++ b/drivers/scsi/scsi_proc.c @@ -115,8 +115,6 @@ void scsi_proc_hostdir_add(struct scsi_host_template *sht) if (!sht->proc_dir) printk(KERN_ERR "%s: proc_mkdir failed for %s\n", __func__, sht->proc_name); - else - sht->proc_dir->owner = sht->module; } mutex_unlock(&global_host_template_mutex); } @@ -163,7 +161,6 @@ void scsi_proc_host_add(struct Scsi_Host *shost) } p->write_proc = proc_scsi_write_proc; - p->owner = sht->module; } /** diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c index c6d7cc76516..1de0c003246 100644 --- a/drivers/video/aty/radeon_pm.c +++ b/drivers/video/aty/radeon_pm.c @@ -2582,7 +2582,7 @@ static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend) * calling pci_set_power_state() */ radeonfb_whack_power_state(rinfo, PCI_D2); - pci_set_power_state(rinfo->pdev, PCI_D2); + __pci_complete_power_transition(rinfo->pdev, PCI_D2); } else { printk(KERN_DEBUG "radeonfb (%s): switching to D0 state...\n", pci_name(rinfo->pdev)); diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 37b433a08ce..e327b84820d 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -2059,25 +2059,21 @@ static void viafb_init_proc(struct proc_dir_entry **viafb_entry) if (viafb_entry) { entry = create_proc_entry("dvp0", 0, *viafb_entry); if (entry) { - entry->owner = THIS_MODULE; entry->read_proc = viafb_dvp0_proc_read; entry->write_proc = viafb_dvp0_proc_write; } entry = create_proc_entry("dvp1", 0, *viafb_entry); if (entry) { - entry->owner = THIS_MODULE; entry->read_proc = viafb_dvp1_proc_read; entry->write_proc = viafb_dvp1_proc_write; } entry = create_proc_entry("dfph", 0, *viafb_entry); if (entry) { - entry->owner = THIS_MODULE; entry->read_proc = viafb_dfph_proc_read; entry->write_proc = viafb_dfph_proc_write; } entry = create_proc_entry("dfpl", 0, *viafb_entry); if (entry) { - entry->owner = THIS_MODULE; entry->read_proc = viafb_dfpl_proc_read; entry->write_proc = viafb_dfpl_proc_write; } @@ -2086,7 +2082,6 @@ static void viafb_init_proc(struct proc_dir_entry **viafb_entry) viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { entry = create_proc_entry("vt1636", 0, *viafb_entry); if (entry) { - entry->owner = THIS_MODULE; entry->read_proc = viafb_vt1636_proc_read; entry->write_proc = viafb_vt1636_proc_write; } diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 5777196bf6c..5c52369ab9b 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -23,15 +23,21 @@ #ifdef DEBUG /* For development, we want to crash whenever the ring is screwed. */ -#define BAD_RING(vq, fmt...) \ - do { dev_err(&vq->vq.vdev->dev, fmt); BUG(); } while(0) -#define START_USE(vq) \ - do { if ((vq)->in_use) panic("in_use = %i\n", (vq)->in_use); (vq)->in_use = __LINE__; mb(); } while(0) -#define END_USE(vq) \ - do { BUG_ON(!(vq)->in_use); (vq)->in_use = 0; mb(); } while(0) +#define BAD_RING(_vq, fmt...) \ + do { dev_err(&(_vq)->vq.vdev->dev, fmt); BUG(); } while(0) +/* Caller is supposed to guarantee no reentry. */ +#define START_USE(_vq) \ + do { \ + if ((_vq)->in_use) \ + panic("in_use = %i\n", (_vq)->in_use); \ + (_vq)->in_use = __LINE__; \ + mb(); \ + } while(0) +#define END_USE(_vq) \ + do { BUG_ON(!(_vq)->in_use); (_vq)->in_use = 0; mb(); } while(0) #else -#define BAD_RING(vq, fmt...) \ - do { dev_err(&vq->vq.vdev->dev, fmt); (vq)->broken = true; } while(0) +#define BAD_RING(_vq, fmt...) \ + do { dev_err(&_vq->vq.vdev->dev, fmt); (_vq)->broken = true; } while(0) #define START_USE(vq) #define END_USE(vq) #endif diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 6cf155d6b35..3137361ccbf 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -380,7 +380,7 @@ asm(".text \n\t" * This function checks whether or not a SMBIOS/DMI record is * the 64bit CRU info or not */ -static void __devinit dmi_find_cru(const struct dmi_header *dm) +static void __devinit dmi_find_cru(const struct dmi_header *dm, void *dummy) { struct smbios_cru64_info *smbios_cru64_ptr; unsigned long cru_physical_address; @@ -403,7 +403,7 @@ static int __devinit detect_cru_service(void) { cru_rom_addr = NULL; - dmi_walk(dmi_find_cru); + dmi_walk(dmi_find_cru, NULL); /* if cru_rom_addr has been set then we found a CRU service */ return ((cru_rom_addr != NULL) ? 0 : -ENODEV); diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index 3ccd348d112..0d61db1e7b4 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -39,12 +39,6 @@ static int xen_suspend(void *data) BUG_ON(!irqs_disabled()); - err = device_power_down(PMSG_SUSPEND); - if (err) { - printk(KERN_ERR "xen_suspend: device_power_down failed: %d\n", - err); - return err; - } err = sysdev_suspend(PMSG_SUSPEND); if (err) { printk(KERN_ERR "xen_suspend: sysdev_suspend failed: %d\n", @@ -69,7 +63,6 @@ static int xen_suspend(void *data) xen_mm_unpin_all(); sysdev_resume(); - device_power_up(PMSG_RESUME); if (!*cancelled) { xen_irq_resume(); @@ -108,6 +101,12 @@ static void do_suspend(void) /* XXX use normal device tree? */ xenbus_suspend(); + err = device_power_down(PMSG_SUSPEND); + if (err) { + printk(KERN_ERR "device_power_down failed: %d\n", err); + goto resume_devices; + } + err = stop_machine(xen_suspend, &cancelled, cpumask_of(0)); if (err) { printk(KERN_ERR "failed to start xen_suspend: %d\n", err); @@ -120,6 +119,9 @@ static void do_suspend(void) } else xenbus_suspend_cancel(); + device_power_up(PMSG_RESUME); + +resume_devices: device_resume(PMSG_RESUME); /* Make sure timer events get retriggered on all CPUs */ |