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-rw-r--r--drivers/hwmon/ultra45_env.c34
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c
index b9a87e89bab4..c315c59f61fe 100644
--- a/drivers/hwmon/ultra45_env.c
+++ b/drivers/hwmon/ultra45_env.c
@@ -1,4 +1,5 @@
-/* ultra45_env.c: Driver for Ultra45 PIC16F747 environmental monitor.
+/*
+ * ultra45_env.c: Driver for Ultra45 PIC16F747 environmental monitor.
*
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
*/
@@ -82,7 +83,8 @@ static void env_write(struct env *p, u8 ireg, u8 val)
spin_unlock(&p->lock);
}
-/* There seems to be a adr7462 providing these values, thus a lot
+/*
+ * There seems to be a adr7462 providing these values, thus a lot
* of these calculations are borrowed from the adt7470 driver.
*/
#define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x))
@@ -90,7 +92,8 @@ static void env_write(struct env *p, u8 ireg, u8 val)
#define FAN_PERIOD_INVALID (0xff << 8)
#define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID)
-static ssize_t show_fan_speed(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_fan_speed(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
int fan_nr = to_sensor_dev_attr(attr)->index;
struct env *p = dev_get_drvdata(dev);
@@ -111,10 +114,15 @@ static ssize_t set_fan_speed(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int fan_nr = to_sensor_dev_attr(attr)->index;
- int rpm = simple_strtol(buf, NULL, 10);
+ unsigned long rpm;
struct env *p = dev_get_drvdata(dev);
int period;
u8 val;
+ int err;
+
+ err = kstrtoul(buf, 10, &rpm);
+ if (err)
+ return err;
if (!rpm)
return -EINVAL;
@@ -126,7 +134,8 @@ static ssize_t set_fan_speed(struct device *dev, struct device_attribute *attr,
return count;
}
-static ssize_t show_fan_fault(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_fan_fault(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
int fan_nr = to_sensor_dev_attr(attr)->index;
struct env *p = dev_get_drvdata(dev);
@@ -148,7 +157,8 @@ fan(4);
static SENSOR_DEVICE_ATTR(psu_fan_fault, S_IRUGO, show_fan_fault, NULL, 6);
-static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
int temp_nr = to_sensor_dev_attr(attr)->index;
struct env *p = dev_get_drvdata(dev);
@@ -168,7 +178,8 @@ static SENSOR_DEVICE_ATTR(lsi1064_local_temp, S_IRUGO, show_temp, NULL, 6);
static SENSOR_DEVICE_ATTR(front_panel_temp, S_IRUGO, show_temp, NULL, 7);
static SENSOR_DEVICE_ATTR(psu_temp, S_IRUGO, show_temp, NULL, 13);
-static ssize_t show_stat_bit(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_stat_bit(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
int index = to_sensor_dev_attr(attr)->index;
struct env *p = dev_get_drvdata(dev);
@@ -181,9 +192,11 @@ static ssize_t show_stat_bit(struct device *dev, struct device_attribute *attr,
static SENSOR_DEVICE_ATTR(fan_failure, S_IRUGO, show_stat_bit, NULL, 0);
static SENSOR_DEVICE_ATTR(env_bus_busy, S_IRUGO, show_stat_bit, NULL, 1);
static SENSOR_DEVICE_ATTR(env_data_stale, S_IRUGO, show_stat_bit, NULL, 2);
-static SENSOR_DEVICE_ATTR(tpm_self_test_passed, S_IRUGO, show_stat_bit, NULL, 3);
+static SENSOR_DEVICE_ATTR(tpm_self_test_passed, S_IRUGO, show_stat_bit, NULL,
+ 3);
-static ssize_t show_fwver(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_fwver(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct env *p = dev_get_drvdata(dev);
u8 val;
@@ -194,7 +207,8 @@ static ssize_t show_fwver(struct device *dev, struct device_attribute *attr, cha
static SENSOR_DEVICE_ATTR(firmware_version, S_IRUGO, show_fwver, NULL, 0);
-static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_name(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
return sprintf(buf, "ultra45\n");
}