diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/f71805f.c | 57 |
1 files changed, 29 insertions, 28 deletions
diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c index 8e810f05d0ae..885465df6e6a 100644 --- a/drivers/hwmon/f71805f.c +++ b/drivers/hwmon/f71805f.c @@ -30,6 +30,7 @@ #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/err.h> +#include <linux/mutex.h> #include <asm/io.h> static struct platform_device *pdev; @@ -131,10 +132,10 @@ static struct resource f71805f_resource __initdata = { struct f71805f_data { unsigned short addr; const char *name; - struct semaphore lock; + struct mutex lock; struct class_device *class_dev; - struct semaphore update_lock; + struct mutex update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ unsigned long last_limits; /* In jiffies */ @@ -224,20 +225,20 @@ static u8 f71805f_read8(struct f71805f_data *data, u8 reg) { u8 val; - down(&data->lock); + mutex_lock(&data->lock); outb(reg, data->addr + ADDR_REG_OFFSET); val = inb(data->addr + DATA_REG_OFFSET); - up(&data->lock); + mutex_unlock(&data->lock); return val; } static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val) { - down(&data->lock); + mutex_lock(&data->lock); outb(reg, data->addr + ADDR_REG_OFFSET); outb(val, data->addr + DATA_REG_OFFSET); - up(&data->lock); + mutex_unlock(&data->lock); } /* It is important to read the MSB first, because doing so latches the @@ -246,24 +247,24 @@ static u16 f71805f_read16(struct f71805f_data *data, u8 reg) { u16 val; - down(&data->lock); + mutex_lock(&data->lock); outb(reg, data->addr + ADDR_REG_OFFSET); val = inb(data->addr + DATA_REG_OFFSET) << 8; outb(++reg, data->addr + ADDR_REG_OFFSET); val |= inb(data->addr + DATA_REG_OFFSET); - up(&data->lock); + mutex_unlock(&data->lock); return val; } static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val) { - down(&data->lock); + mutex_lock(&data->lock); outb(reg, data->addr + ADDR_REG_OFFSET); outb(val >> 8, data->addr + DATA_REG_OFFSET); outb(++reg, data->addr + ADDR_REG_OFFSET); outb(val & 0xff, data->addr + DATA_REG_OFFSET); - up(&data->lock); + mutex_unlock(&data->lock); } static struct f71805f_data *f71805f_update_device(struct device *dev) @@ -271,7 +272,7 @@ static struct f71805f_data *f71805f_update_device(struct device *dev) struct f71805f_data *data = dev_get_drvdata(dev); int nr; - down(&data->update_lock); + mutex_lock(&data->update_lock); /* Limit registers cache is refreshed after 60 seconds */ if (time_after(jiffies, data->last_updated + 60 * HZ) @@ -323,7 +324,7 @@ static struct f71805f_data *f71805f_update_device(struct device *dev) data->valid = 1; } - up(&data->update_lock); + mutex_unlock(&data->update_lock); return data; } @@ -362,10 +363,10 @@ static ssize_t set_in0_max(struct device *dev, struct device_attribute struct f71805f_data *data = dev_get_drvdata(dev); long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->in_high[0] = in0_to_reg(val); f71805f_write8(data, F71805F_REG_IN_HIGH(0), data->in_high[0]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -376,10 +377,10 @@ static ssize_t set_in0_min(struct device *dev, struct device_attribute struct f71805f_data *data = dev_get_drvdata(dev); long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->in_low[0] = in0_to_reg(val); f71805f_write8(data, F71805F_REG_IN_LOW(0), data->in_low[0]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -422,10 +423,10 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute int nr = attr->index; long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->in_high[nr] = in_to_reg(val); f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -438,10 +439,10 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute int nr = attr->index; long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->in_low[nr] = in_to_reg(val); f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -474,10 +475,10 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute int nr = attr->index; long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->fan_low[nr] = fan_to_reg(val); f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -531,10 +532,10 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute int nr = attr->index; long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp_high[nr] = temp_to_reg(val); f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), data->temp_high[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -547,10 +548,10 @@ static ssize_t set_temp_hyst(struct device *dev, struct device_attribute int nr = attr->index; long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp_hyst[nr] = temp_to_reg(val); f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), data->temp_hyst[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -711,9 +712,9 @@ static int __devinit f71805f_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_IO, 0); data->addr = res->start; - init_MUTEX(&data->lock); + mutex_init(&data->lock); data->name = "f71805f"; - init_MUTEX(&data->update_lock); + mutex_init(&data->update_lock); platform_set_drvdata(pdev, data); |