diff options
Diffstat (limited to 'drivers/hwmon')
-rw-r--r-- | drivers/hwmon/Kconfig | 2 | ||||
-rw-r--r-- | drivers/hwmon/adm1031.c | 43 | ||||
-rw-r--r-- | drivers/hwmon/ads7871.c | 38 | ||||
-rw-r--r-- | drivers/hwmon/asus_atk0110.c | 1 | ||||
-rw-r--r-- | drivers/hwmon/coretemp.c | 58 | ||||
-rw-r--r-- | drivers/hwmon/emc1403.c | 1 | ||||
-rw-r--r-- | drivers/hwmon/f71882fg.c | 32 | ||||
-rw-r--r-- | drivers/hwmon/f75375s.c | 6 | ||||
-rw-r--r-- | drivers/hwmon/fschmd.c | 6 | ||||
-rw-r--r-- | drivers/hwmon/hp_accel.c | 2 | ||||
-rw-r--r-- | drivers/hwmon/k8temp.c | 35 | ||||
-rw-r--r-- | drivers/hwmon/lis3lv02d.c | 4 | ||||
-rw-r--r-- | drivers/hwmon/lis3lv02d_i2c.c | 4 | ||||
-rw-r--r-- | drivers/hwmon/lis3lv02d_spi.c | 4 | ||||
-rw-r--r-- | drivers/hwmon/lm95241.c | 21 | ||||
-rw-r--r-- | drivers/hwmon/pkgtemp.c | 23 | ||||
-rw-r--r-- | drivers/hwmon/w83627ehf.c | 1 | ||||
-rw-r--r-- | drivers/hwmon/w83793.c | 6 |
18 files changed, 169 insertions, 118 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 4d4d09bdec0a..97499d00615a 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -409,7 +409,7 @@ config SENSORS_CORETEMP config SENSORS_PKGTEMP tristate "Intel processor package temperature sensor" - depends on X86 && PCI && EXPERIMENTAL + depends on X86 && EXPERIMENTAL help If you say yes here you get support for the package level temperature sensor inside your CPU. Check documentation/driver for details. diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c index 15c1a9616af3..0683e6be662c 100644 --- a/drivers/hwmon/adm1031.c +++ b/drivers/hwmon/adm1031.c @@ -79,7 +79,7 @@ struct adm1031_data { int chip_type; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ - unsigned int update_rate; /* In milliseconds */ + unsigned int update_interval; /* In milliseconds */ /* The chan_select_table contains the possible configurations for * auto fan control. */ @@ -743,23 +743,23 @@ static SENSOR_DEVICE_ATTR(temp3_crit_alarm, S_IRUGO, show_alarm, NULL, 12); static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 13); static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 14); -/* Update Rate */ -static const unsigned int update_rates[] = { +/* Update Interval */ +static const unsigned int update_intervals[] = { 16000, 8000, 4000, 2000, 1000, 500, 250, 125, }; -static ssize_t show_update_rate(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t show_update_interval(struct device *dev, + struct device_attribute *attr, char *buf) { struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); - return sprintf(buf, "%u\n", data->update_rate); + return sprintf(buf, "%u\n", data->update_interval); } -static ssize_t set_update_rate(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t set_update_interval(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1031_data *data = i2c_get_clientdata(client); @@ -771,12 +771,15 @@ static ssize_t set_update_rate(struct device *dev, if (err) return err; - /* find the nearest update rate from the table */ - for (i = 0; i < ARRAY_SIZE(update_rates) - 1; i++) { - if (val >= update_rates[i]) + /* + * Find the nearest update interval from the table. + * Use it to determine the matching update rate. + */ + for (i = 0; i < ARRAY_SIZE(update_intervals) - 1; i++) { + if (val >= update_intervals[i]) break; } - /* if not found, we point to the last entry (lowest update rate) */ + /* if not found, we point to the last entry (lowest update interval) */ /* set the new update rate while preserving other settings */ reg = adm1031_read_value(client, ADM1031_REG_FAN_FILTER); @@ -785,14 +788,14 @@ static ssize_t set_update_rate(struct device *dev, adm1031_write_value(client, ADM1031_REG_FAN_FILTER, reg); mutex_lock(&data->update_lock); - data->update_rate = update_rates[i]; + data->update_interval = update_intervals[i]; mutex_unlock(&data->update_lock); return count; } -static DEVICE_ATTR(update_rate, S_IRUGO | S_IWUSR, show_update_rate, - set_update_rate); +static DEVICE_ATTR(update_interval, S_IRUGO | S_IWUSR, show_update_interval, + set_update_interval); static struct attribute *adm1031_attributes[] = { &sensor_dev_attr_fan1_input.dev_attr.attr, @@ -830,7 +833,7 @@ static struct attribute *adm1031_attributes[] = { &sensor_dev_attr_auto_fan1_min_pwm.dev_attr.attr, - &dev_attr_update_rate.attr, + &dev_attr_update_interval.attr, &dev_attr_alarms.attr, NULL @@ -981,7 +984,8 @@ static void adm1031_init_client(struct i2c_client *client) mask = ADM1031_UPDATE_RATE_MASK; read_val = adm1031_read_value(client, ADM1031_REG_FAN_FILTER); i = (read_val & mask) >> ADM1031_UPDATE_RATE_SHIFT; - data->update_rate = update_rates[i]; + /* Save it as update interval */ + data->update_interval = update_intervals[i]; } static struct adm1031_data *adm1031_update_device(struct device *dev) @@ -993,7 +997,8 @@ static struct adm1031_data *adm1031_update_device(struct device *dev) mutex_lock(&data->update_lock); - next_update = data->last_updated + msecs_to_jiffies(data->update_rate); + next_update = data->last_updated + + msecs_to_jiffies(data->update_interval); if (time_after(jiffies, next_update) || !data->valid) { dev_dbg(&client->dev, "Starting adm1031 update\n"); diff --git a/drivers/hwmon/ads7871.c b/drivers/hwmon/ads7871.c index b300a2048af1..52319340e182 100644 --- a/drivers/hwmon/ads7871.c +++ b/drivers/hwmon/ads7871.c @@ -160,30 +160,12 @@ static const struct attribute_group ads7871_group = { static int __devinit ads7871_probe(struct spi_device *spi) { - int status, ret, err = 0; + int ret, err; uint8_t val; struct ads7871_data *pdata; dev_dbg(&spi->dev, "probe\n"); - pdata = kzalloc(sizeof(struct ads7871_data), GFP_KERNEL); - if (!pdata) { - err = -ENOMEM; - goto exit; - } - - status = sysfs_create_group(&spi->dev.kobj, &ads7871_group); - if (status < 0) - goto error_free; - - pdata->hwmon_dev = hwmon_device_register(&spi->dev); - if (IS_ERR(pdata->hwmon_dev)) { - err = PTR_ERR(pdata->hwmon_dev); - goto error_remove; - } - - spi_set_drvdata(spi, pdata); - /* Configure the SPI bus */ spi->mode = (SPI_MODE_0); spi->bits_per_word = 8; @@ -201,6 +183,24 @@ static int __devinit ads7871_probe(struct spi_device *spi) we need to make sure we really have a chip*/ if (val != ret) { err = -ENODEV; + goto exit; + } + + pdata = kzalloc(sizeof(struct ads7871_data), GFP_KERNEL); + if (!pdata) { + err = -ENOMEM; + goto exit; + } + + err = sysfs_create_group(&spi->dev.kobj, &ads7871_group); + if (err < 0) + goto error_free; + + spi_set_drvdata(spi, pdata); + + pdata->hwmon_dev = hwmon_device_register(&spi->dev); + if (IS_ERR(pdata->hwmon_dev)) { + err = PTR_ERR(pdata->hwmon_dev); goto error_remove; } diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c index 653db1bda934..23b8555215d2 100644 --- a/drivers/hwmon/asus_atk0110.c +++ b/drivers/hwmon/asus_atk0110.c @@ -762,6 +762,7 @@ static const struct file_operations atk_debugfs_ggrp_fops = { .read = atk_debugfs_ggrp_read, .open = atk_debugfs_ggrp_open, .release = atk_debugfs_ggrp_release, + .llseek = no_llseek, }; static void atk_debugfs_init(struct atk_data *data) diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index c070c9714cbe..a23b17a78ace 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -36,6 +36,7 @@ #include <linux/pci.h> #include <asm/msr.h> #include <asm/processor.h> +#include <asm/smp.h> #define DRVNAME "coretemp" @@ -423,9 +424,18 @@ static int __cpuinit coretemp_device_add(unsigned int cpu) int err; struct platform_device *pdev; struct pdev_entry *pdev_entry; -#ifdef CONFIG_SMP struct cpuinfo_x86 *c = &cpu_data(cpu); -#endif + + /* + * CPUID.06H.EAX[0] indicates whether the CPU has thermal + * sensors. We check this bit only, all the early CPUs + * without thermal sensors will be filtered out. + */ + if (!cpu_has(c, X86_FEATURE_DTS)) { + printk(KERN_INFO DRVNAME ": CPU (model=0x%x)" + " has no thermal sensor.\n", c->x86_model); + return 0; + } mutex_lock(&pdev_list_mutex); @@ -482,14 +492,22 @@ exit: static void coretemp_device_remove(unsigned int cpu) { - struct pdev_entry *p, *n; + struct pdev_entry *p; + unsigned int i; + mutex_lock(&pdev_list_mutex); - list_for_each_entry_safe(p, n, &pdev_list, list) { - if (p->cpu == cpu) { - platform_device_unregister(p->pdev); - list_del(&p->list); - kfree(p); - } + list_for_each_entry(p, &pdev_list, list) { + if (p->cpu != cpu) + continue; + + platform_device_unregister(p->pdev); + list_del(&p->list); + mutex_unlock(&pdev_list_mutex); + kfree(p); + for_each_cpu(i, cpu_sibling_mask(cpu)) + if (i != cpu && !coretemp_device_add(i)) + break; + return; } mutex_unlock(&pdev_list_mutex); } @@ -518,7 +536,6 @@ static struct notifier_block coretemp_cpu_notifier __refdata = { static int __init coretemp_init(void) { int i, err = -ENODEV; - struct pdev_entry *p, *n; /* quick check if we run Intel */ if (cpu_data(0).x86_vendor != X86_VENDOR_INTEL) @@ -528,30 +545,21 @@ static int __init coretemp_init(void) if (err) goto exit; - for_each_online_cpu(i) { - struct cpuinfo_x86 *c = &cpu_data(i); - /* - * CPUID.06H.EAX[0] indicates whether the CPU has thermal - * sensors. We check this bit only, all the early CPUs - * without thermal sensors will be filtered out. - */ - if (c->cpuid_level >= 6 && (cpuid_eax(0x06) & 0x01)) - coretemp_device_add(i); - else { - printk(KERN_INFO DRVNAME ": CPU (model=0x%x)" - " has no thermal sensor.\n", c->x86_model); - } - } + for_each_online_cpu(i) + coretemp_device_add(i); + +#ifndef CONFIG_HOTPLUG_CPU if (list_empty(&pdev_list)) { err = -ENODEV; goto exit_driver_unreg; } +#endif register_hotcpu_notifier(&coretemp_cpu_notifier); return 0; -exit_driver_unreg: #ifndef CONFIG_HOTPLUG_CPU +exit_driver_unreg: platform_driver_unregister(&coretemp_driver); #endif exit: diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c index 5b58b20dead1..8dee3f38fdfb 100644 --- a/drivers/hwmon/emc1403.c +++ b/drivers/hwmon/emc1403.c @@ -308,7 +308,6 @@ static int emc1403_probe(struct i2c_client *client, res = sysfs_create_group(&client->dev.kobj, &m_thermal_gr); if (res) { dev_warn(&client->dev, "create group failed\n"); - hwmon_device_unregister(data->hwmon_dev); goto thermal_error1; } data->hwmon_dev = hwmon_device_register(&client->dev); diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c index 537841ef44b9..75afb3b0e076 100644 --- a/drivers/hwmon/f71882fg.c +++ b/drivers/hwmon/f71882fg.c @@ -111,7 +111,7 @@ static struct platform_device *f71882fg_pdev; /* Super-I/O Function prototypes */ static inline int superio_inb(int base, int reg); static inline int superio_inw(int base, int reg); -static inline void superio_enter(int base); +static inline int superio_enter(int base); static inline void superio_select(int base, int ld); static inline void superio_exit(int base); @@ -861,11 +861,20 @@ static int superio_inw(int base, int reg) return val; } -static inline void superio_enter(int base) +static inline int superio_enter(int base) { + /* Don't step on other drivers' I/O space by accident */ + if (!request_muxed_region(base, 2, DRVNAME)) { + printk(KERN_ERR DRVNAME ": I/O address 0x%04x already in use\n", + base); + return -EBUSY; + } + /* according to the datasheet the key must be send twice! */ outb(SIO_UNLOCK_KEY, base); outb(SIO_UNLOCK_KEY, base); + + return 0; } static inline void superio_select(int base, int ld) @@ -877,6 +886,7 @@ static inline void superio_select(int base, int ld) static inline void superio_exit(int base) { outb(SIO_LOCK_KEY, base); + release_region(base, 2); } static inline int fan_from_reg(u16 reg) @@ -2175,21 +2185,15 @@ static int f71882fg_remove(struct platform_device *pdev) static int __init f71882fg_find(int sioaddr, unsigned short *address, struct f71882fg_sio_data *sio_data) { - int err = -ENODEV; u16 devid; - - /* Don't step on other drivers' I/O space by accident */ - if (!request_region(sioaddr, 2, DRVNAME)) { - printk(KERN_ERR DRVNAME ": I/O address 0x%04x already in use\n", - (int)sioaddr); - return -EBUSY; - } - - superio_enter(sioaddr); + int err = superio_enter(sioaddr); + if (err) + return err; devid = superio_inw(sioaddr, SIO_REG_MANID); if (devid != SIO_FINTEK_ID) { pr_debug(DRVNAME ": Not a Fintek device\n"); + err = -ENODEV; goto exit; } @@ -2213,6 +2217,7 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address, default: printk(KERN_INFO DRVNAME ": Unsupported Fintek device: %04x\n", (unsigned int)devid); + err = -ENODEV; goto exit; } @@ -2223,12 +2228,14 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address, if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) { printk(KERN_WARNING DRVNAME ": Device not activated\n"); + err = -ENODEV; goto exit; } *address = superio_inw(sioaddr, SIO_REG_ADDR); if (*address == 0) { printk(KERN_WARNING DRVNAME ": Base address not set\n"); + err = -ENODEV; goto exit; } *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */ @@ -2239,7 +2246,6 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address, (int)superio_inb(sioaddr, SIO_REG_DEVREV)); exit: superio_exit(sioaddr); - release_region(sioaddr, 2); return err; } diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index 0f58ecc5334d..9638d58f99fd 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -79,7 +79,7 @@ enum chips { f75373, f75375 }; #define F75375_REG_PWM2_DROP_DUTY 0x6C #define FAN_CTRL_LINEAR(nr) (4 + nr) -#define FAN_CTRL_MODE(nr) (5 + ((nr) * 2)) +#define FAN_CTRL_MODE(nr) (4 + ((nr) * 2)) /* * Data structures and manipulation thereof @@ -298,7 +298,7 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val) return -EINVAL; fanmode = f75375_read8(client, F75375_REG_FAN_TIMER); - fanmode = ~(3 << FAN_CTRL_MODE(nr)); + fanmode &= ~(3 << FAN_CTRL_MODE(nr)); switch (val) { case 0: /* Full speed */ @@ -350,7 +350,7 @@ static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); conf = f75375_read8(client, F75375_REG_CONFIG1); - conf = ~(1 << FAN_CTRL_LINEAR(nr)); + conf &= ~(1 << FAN_CTRL_LINEAR(nr)); if (val == 0) conf |= (1 << FAN_CTRL_LINEAR(nr)) ; diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c index b7ca2a9676cf..d4d4ca65d371 100644 --- a/drivers/hwmon/fschmd.c +++ b/drivers/hwmon/fschmd.c @@ -38,7 +38,6 @@ #include <linux/i2c.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> -#include <linux/smp_lock.h> #include <linux/err.h> #include <linux/mutex.h> #include <linux/sysfs.h> @@ -50,6 +49,7 @@ #include <linux/kref.h> /* Addresses to scan */ +static DEFINE_MUTEX(watchdog_mutex); static const unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END }; /* Insmod parameters */ @@ -858,7 +858,7 @@ static long watchdog_ioctl(struct file *filp, unsigned int cmd, unsigned long ar int i, ret = 0; struct fschmd_data *data = filp->private_data; - lock_kernel(); + mutex_lock(&watchdog_mutex); switch (cmd) { case WDIOC_GETSUPPORT: ident.firmware_version = data->revision; @@ -915,7 +915,7 @@ static long watchdog_ioctl(struct file *filp, unsigned int cmd, unsigned long ar default: ret = -ENOTTY; } - unlock_kernel(); + mutex_unlock(&watchdog_mutex); return ret; } diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c index 7580f55e67e3..36e957532230 100644 --- a/drivers/hwmon/hp_accel.c +++ b/drivers/hwmon/hp_accel.c @@ -221,6 +221,8 @@ static struct dmi_system_id lis3lv02d_dmi_ids[] = { AXIS_DMI_MATCH("HPB442x", "HP ProBook 442", xy_rotated_left), AXIS_DMI_MATCH("HPB452x", "HP ProBook 452", y_inverted), AXIS_DMI_MATCH("HPB522x", "HP ProBook 522", xy_swap), + AXIS_DMI_MATCH("HPB532x", "HP ProBook 532", y_inverted), + AXIS_DMI_MATCH("Mini5102", "HP Mini 5102", xy_rotated_left_usd), { NULL, } /* Laptop models without axis info (yet): * "NC6910" "HP Compaq 6910" diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c index b9bb3e0ca530..39ead2a4d3c5 100644 --- a/drivers/hwmon/k8temp.c +++ b/drivers/hwmon/k8temp.c @@ -143,6 +143,37 @@ static const struct pci_device_id k8temp_ids[] = { MODULE_DEVICE_TABLE(pci, k8temp_ids); +static int __devinit is_rev_g_desktop(u8 model) +{ + u32 brandidx; + + if (model < 0x69) + return 0; + + if (model == 0xc1 || model == 0x6c || model == 0x7c) + return 0; + + /* + * Differentiate between AM2 and ASB1. + * See "Constructing the processor Name String" in "Revision + * Guide for AMD NPT Family 0Fh Processors" (33610). + */ + brandidx = cpuid_ebx(0x80000001); + brandidx = (brandidx >> 9) & 0x1f; + + /* Single core */ + if ((model == 0x6f || model == 0x7f) && + (brandidx == 0x7 || brandidx == 0x9 || brandidx == 0xc)) + return 0; + + /* Dual core */ + if (model == 0x6b && + (brandidx == 0xb || brandidx == 0xc)) + return 0; + + return 1; +} + static int __devinit k8temp_probe(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -179,9 +210,7 @@ static int __devinit k8temp_probe(struct pci_dev *pdev, "wrong - check erratum #141\n"); } - if ((model >= 0x69) && - !(model == 0xc1 || model == 0x6c || model == 0x7c || - model == 0x6b || model == 0x6f || model == 0x7f)) { + if (is_rev_g_desktop(model)) { /* * RevG desktop CPUs (i.e. no socket S1G1 or * ASB1 parts) need additional offset, diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c index 6138f036b159..fc591ae53107 100644 --- a/drivers/hwmon/lis3lv02d.c +++ b/drivers/hwmon/lis3lv02d.c @@ -277,7 +277,7 @@ static irqreturn_t lis302dl_interrupt(int irq, void *dummy) wake_up_interruptible(&lis3_dev.misc_wait); kill_fasync(&lis3_dev.async_queue, SIGIO, POLL_IN); out: - if (lis3_dev.whoami == WAI_8B && lis3_dev.idev && + if (lis3_dev.pdata && lis3_dev.whoami == WAI_8B && lis3_dev.idev && lis3_dev.idev->input->users) return IRQ_WAKE_THREAD; return IRQ_HANDLED; @@ -718,7 +718,7 @@ int lis3lv02d_init_device(struct lis3lv02d *dev) * io-apic is not configurable (and generates a warning) but I keep it * in case of support for other hardware. */ - if (dev->whoami == WAI_8B) + if (dev->pdata && dev->whoami == WAI_8B) thread_fn = lis302dl_interrupt_thread1_8b; else thread_fn = NULL; diff --git a/drivers/hwmon/lis3lv02d_i2c.c b/drivers/hwmon/lis3lv02d_i2c.c index dc1f5402c1d7..8e5933b72d19 100644 --- a/drivers/hwmon/lis3lv02d_i2c.c +++ b/drivers/hwmon/lis3lv02d_i2c.c @@ -121,7 +121,7 @@ static int lis3lv02d_i2c_suspend(struct i2c_client *client, pm_message_t mesg) { struct lis3lv02d *lis3 = i2c_get_clientdata(client); - if (!lis3->pdata->wakeup_flags) + if (!lis3->pdata || !lis3->pdata->wakeup_flags) lis3lv02d_poweroff(lis3); return 0; } @@ -130,7 +130,7 @@ static int lis3lv02d_i2c_resume(struct i2c_client *client) { struct lis3lv02d *lis3 = i2c_get_clientdata(client); - if (!lis3->pdata->wakeup_flags) + if (!lis3->pdata || !lis3->pdata->wakeup_flags) lis3lv02d_poweron(lis3); return 0; } diff --git a/drivers/hwmon/lis3lv02d_spi.c b/drivers/hwmon/lis3lv02d_spi.c index 82b16808a274..b9be5e3a22b3 100644 --- a/drivers/hwmon/lis3lv02d_spi.c +++ b/drivers/hwmon/lis3lv02d_spi.c @@ -92,7 +92,7 @@ static int lis3lv02d_spi_suspend(struct spi_device *spi, pm_message_t mesg) { struct lis3lv02d *lis3 = spi_get_drvdata(spi); - if (!lis3->pdata->wakeup_flags) + if (!lis3->pdata || !lis3->pdata->wakeup_flags) lis3lv02d_poweroff(&lis3_dev); return 0; @@ -102,7 +102,7 @@ static int lis3lv02d_spi_resume(struct spi_device *spi) { struct lis3lv02d *lis3 = spi_get_drvdata(spi); - if (!lis3->pdata->wakeup_flags) + if (!lis3->pdata || !lis3->pdata->wakeup_flags) lis3lv02d_poweron(lis3); return 0; diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c index 94741d42112d..464340f25496 100644 --- a/drivers/hwmon/lm95241.c +++ b/drivers/hwmon/lm95241.c @@ -91,7 +91,7 @@ static struct lm95241_data *lm95241_update_device(struct device *dev); struct lm95241_data { struct device *hwmon_dev; struct mutex update_lock; - unsigned long last_updated, rate; /* in jiffies */ + unsigned long last_updated, interval; /* in jiffies */ char valid; /* zero until following fields are valid */ /* registers values */ u8 local_h, local_l; /* local */ @@ -114,23 +114,23 @@ show_temp(local); show_temp(remote1); show_temp(remote2); -static ssize_t show_rate(struct device *dev, struct device_attribute *attr, +static ssize_t show_interval(struct device *dev, struct device_attribute *attr, char *buf) { struct lm95241_data *data = lm95241_update_device(dev); - snprintf(buf, PAGE_SIZE - 1, "%lu\n", 1000 * data->rate / HZ); + snprintf(buf, PAGE_SIZE - 1, "%lu\n", 1000 * data->interval / HZ); return strlen(buf); } -static ssize_t set_rate(struct device *dev, struct device_attribute *attr, +static ssize_t set_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct lm95241_data *data = i2c_get_clientdata(client); - strict_strtol(buf, 10, &data->rate); - data->rate = data->rate * HZ / 1000; + strict_strtol(buf, 10, &data->interval); + data->interval = data->interval * HZ / 1000; return count; } @@ -286,7 +286,8 @@ static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_min1, set_min1); static DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_min2, set_min2); static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_max1, set_max1); static DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_max2, set_max2); -static DEVICE_ATTR(rate, S_IWUSR | S_IRUGO, show_rate, set_rate); +static DEVICE_ATTR(update_interval, S_IWUSR | S_IRUGO, show_interval, + set_interval); static struct attribute *lm95241_attributes[] = { &dev_attr_temp1_input.attr, @@ -298,7 +299,7 @@ static struct attribute *lm95241_attributes[] = { &dev_attr_temp3_min.attr, &dev_attr_temp2_max.attr, &dev_attr_temp3_max.attr, - &dev_attr_rate.attr, + &dev_attr_update_interval.attr, NULL }; @@ -376,7 +377,7 @@ static void lm95241_init_client(struct i2c_client *client) { struct lm95241_data *data = i2c_get_clientdata(client); - data->rate = HZ; /* 1 sec default */ + data->interval = HZ; /* 1 sec default */ data->valid = 0; data->config = CFG_CR0076; data->model = 0; @@ -410,7 +411,7 @@ static struct lm95241_data *lm95241_update_device(struct device *dev) mutex_lock(&data->update_lock); - if (time_after(jiffies, data->last_updated + data->rate) || + if (time_after(jiffies, data->last_updated + data->interval) || !data->valid) { dev_dbg(&client->dev, "Updating lm95241 data.\n"); data->local_h = diff --git a/drivers/hwmon/pkgtemp.c b/drivers/hwmon/pkgtemp.c index 74157fcda6ed..f11903936c8b 100644 --- a/drivers/hwmon/pkgtemp.c +++ b/drivers/hwmon/pkgtemp.c @@ -33,7 +33,6 @@ #include <linux/list.h> #include <linux/platform_device.h> #include <linux/cpu.h> -#include <linux/pci.h> #include <asm/msr.h> #include <asm/processor.h> @@ -224,7 +223,7 @@ static int __devinit pkgtemp_probe(struct platform_device *pdev) err = sysfs_create_group(&pdev->dev.kobj, &pkgtemp_group); if (err) - goto exit_free; + goto exit_dev; data->hwmon_dev = hwmon_device_register(&pdev->dev); if (IS_ERR(data->hwmon_dev)) { @@ -238,6 +237,8 @@ static int __devinit pkgtemp_probe(struct platform_device *pdev) exit_class: sysfs_remove_group(&pdev->dev.kobj, &pkgtemp_group); +exit_dev: + device_remove_file(&pdev->dev, &sensor_dev_attr_temp1_max.dev_attr); exit_free: kfree(data); exit: @@ -250,6 +251,7 @@ static int __devexit pkgtemp_remove(struct platform_device *pdev) hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&pdev->dev.kobj, &pkgtemp_group); + device_remove_file(&pdev->dev, &sensor_dev_attr_temp1_max.dev_attr); platform_set_drvdata(pdev, NULL); kfree(data); return 0; @@ -281,9 +283,10 @@ static int __cpuinit pkgtemp_device_add(unsigned int cpu) int err; struct platform_device *pdev; struct pdev_entry *pdev_entry; -#ifdef CONFIG_SMP struct cpuinfo_x86 *c = &cpu_data(cpu); -#endif + + if (!cpu_has(c, X86_FEATURE_PTS)) + return 0; mutex_lock(&pdev_list_mutex); @@ -339,17 +342,18 @@ exit: #ifdef CONFIG_HOTPLUG_CPU static void pkgtemp_device_remove(unsigned int cpu) { - struct pdev_entry *p, *n; + struct pdev_entry *p; unsigned int i; int err; mutex_lock(&pdev_list_mutex); - list_for_each_entry_safe(p, n, &pdev_list, list) { + list_for_each_entry(p, &pdev_list, list) { if (p->cpu != cpu) continue; platform_device_unregister(p->pdev); list_del(&p->list); + mutex_unlock(&pdev_list_mutex); kfree(p); for_each_cpu(i, cpu_core_mask(cpu)) { if (i != cpu) { @@ -358,7 +362,7 @@ static void pkgtemp_device_remove(unsigned int cpu) break; } } - break; + return; } mutex_unlock(&pdev_list_mutex); } @@ -399,11 +403,6 @@ static int __init pkgtemp_init(void) goto exit; for_each_online_cpu(i) { - struct cpuinfo_x86 *c = &cpu_data(i); - - if (!cpu_has(c, X86_FEATURE_PTS)) - continue; - err = pkgtemp_device_add(i); if (err) goto exit_devices_unreg; diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index e96e69dd36fb..072c58008a63 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -127,6 +127,7 @@ superio_enter(int ioreg) static inline void superio_exit(int ioreg) { + outb(0xaa, ioreg); outb(0x02, ioreg); outb(0x02, ioreg + 1); } diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index 697202e27891..8e540ada47d2 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -35,7 +35,6 @@ #include <linux/slab.h> #include <linux/i2c.h> #include <linux/hwmon.h> -#include <linux/smp_lock.h> #include <linux/hwmon-vid.h> #include <linux/hwmon-sysfs.h> #include <linux/err.h> @@ -52,6 +51,7 @@ #define WATCHDOG_TIMEOUT 2 /* 2 minute default timeout */ /* Addresses to scan */ +static DEFINE_MUTEX(watchdog_mutex); static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; @@ -1333,7 +1333,7 @@ static long watchdog_ioctl(struct file *filp, unsigned int cmd, int val, ret = 0; struct w83793_data *data = filp->private_data; - lock_kernel(); + mutex_lock(&watchdog_mutex); switch (cmd) { case WDIOC_GETSUPPORT: if (!nowayout) @@ -1387,7 +1387,7 @@ static long watchdog_ioctl(struct file *filp, unsigned int cmd, default: ret = -ENOTTY; } - unlock_kernel(); + mutex_unlock(&watchdog_mutex); return ret; } |