From: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: Jean Delvare <khali@xxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/hwmon/pc87427.c | 72 +++++++++++++++++++++++++++++-----------------
1 files changed, 45 insertions(+), 27 deletions(-)
diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c
index cb35461..37059a3 100644
--- a/drivers/hwmon/pc87427.c
+++ b/drivers/hwmon/pc87427.c
@@ -46,9 +46,11 @@ static struct platform_device *pdev;
#define DRVNAME "pc87427"
-/* The lock mutex protects both the I/O accesses (needed because the
- device is using banked registers) and the register cache (needed to keep
- the data in the registers and the cache in sync at any time). */
+/*
+ * The lock mutex protects both the I/O accesses (needed because the
+ * device is using banked registers) and the register cache (needed to keep
+ * the data in the registers and the cache in sync at any time).
+ */
struct pc87427_data {
struct device *hwmon_dev;
struct mutex lock;
@@ -173,10 +175,12 @@ static inline void pc87427_write8_bank(struct pc87427_data *data, u8 ldi,
#define FAN_STATUS_LOSPD (1 << 1)
#define FAN_STATUS_MONEN (1 << 0)
-/* Dedicated function to read all registers related to a given fan input.
- This saves us quite a few locks and bank selections.
- Must be called with data->lock held.
- nr is from 0 to 7 */
+/*
+ * Dedicated function to read all registers related to a given fan input.
+ * This saves us quite a few locks and bank selections.
+ * Must be called with data->lock held.
+ * nr is from 0 to 7
+ */
static void pc87427_readall_fan(struct pc87427_data *data, u8 nr)
{
int iobase = data->address[LD_FAN];
@@ -189,8 +193,10 @@ static void pc87427_readall_fan(struct pc87427_data *data, u8 nr)
outb(data->fan_status[nr], iobase + PC87427_REG_FAN_STATUS);
}
-/* The 2 LSB of fan speed registers are used for something different.
- The actual 2 LSB of the measurements are not available. */
+/*
+ * The 2 LSB of fan speed registers are used for something different.
+ * The actual 2 LSB of the measurements are not available.
+ */
static inline unsigned long fan_from_reg(u16 reg)
{
reg &= 0xfffc;
@@ -224,10 +230,12 @@ static inline u16 fan_to_reg(unsigned long val)
#define PWM_MODE_OFF (2 << 4)
#define PWM_MODE_ON (7 << 4)
-/* Dedicated function to read all registers related to a given PWM output.
- This saves us quite a few locks and bank selections.
- Must be called with data->lock held.
- nr is from 0 to 3 */
+/*
+ * Dedicated function to read all registers related to a given PWM output.
+ * This saves us quite a few locks and bank selections.
+ * Must be called with data->lock held.
+ * nr is from 0 to 3
+ */
static void pc87427_readall_pwm(struct pc87427_data *data, u8 nr)
{
int iobase = data->address[LD_FAN];
@@ -286,10 +294,12 @@ static inline u8 pwm_enable_to_reg(unsigned long val, u8 pwmval)
#define TEMP_TYPE_REMOTE_DIODE (2 << 5)
#define TEMP_TYPE_LOCAL_DIODE (3 << 5)
-/* Dedicated function to read all registers related to a given temperature
- input. This saves us quite a few locks and bank selections.
- Must be called with data->lock held.
- nr is from 0 to 5 */
+/*
+ * Dedicated function to read all registers related to a given temperature
+ * input. This saves us quite a few locks and bank selections.
+ * Must be called with data->lock held.
+ * nr is from 0 to 5
+ */
static void pc87427_readall_temp(struct pc87427_data *data, u8 nr)
{
int iobase = data->address[LD_TEMP];
@@ -318,8 +328,10 @@ static inline unsigned int temp_type_from_reg(u8 reg)
}
}
-/* We assume 8-bit thermal sensors; 9-bit thermal sensors are possible
- too, but I have no idea how to figure out when they are used. */
+/*
+ * We assume 8-bit thermal sensors; 9-bit thermal sensors are possible
+ * too, but I have no idea how to figure out when they are used.
+ */
static inline long temp_from_reg(s16 reg)
{
return reg * 1000 / 256;
@@ -423,9 +435,11 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute
mutex_lock(&data->lock);
outb(BANK_FM(nr), iobase + PC87427_REG_BANK);
- /* The low speed limit registers are read-only while monitoring
- is enabled, so we have to disable monitoring, then change the
- limit, and finally enable monitoring again. */
+ /*
+ * The low speed limit registers are read-only while monitoring
+ * is enabled, so we have to disable monitoring, then change the
+ * limit, and finally enable monitoring again.
+ */
outb(0, iobase + PC87427_REG_FAN_STATUS);
data->fan_min[nr] = fan_to_reg(val);
outw(data->fan_min[nr], iobase + PC87427_REG_FAN_MIN);
@@ -542,8 +556,10 @@ static const struct attribute_group pc87427_group_fan[8] = {
{ .attrs = pc87427_attributes_fan[7] },
};
-/* Must be called with data->lock held and pc87427_readall_pwm() freshly
- called */
+/*
+ * Must be called with data->lock held and pc87427_readall_pwm() freshly
+ * called
+ */
static void update_pwm_enable(struct pc87427_data *data, int nr, u8 mode)
{
int iobase = data->address[LD_FAN];
@@ -1023,9 +1039,11 @@ static void __devinit pc87427_init_device(struct device *dev)
if (reg & PWM_ENABLE_CTLEN)
data->pwm_enabled |= (1 << i);
- /* We don't expose an interface to reconfigure the automatic
- fan control mode, so only allow to return to this mode if
- it was originally set. */
+ /*
+ * We don't expose an interface to reconfigure the automatic
+ * fan control mode, so only allow to return to this mode if
+ * it was originally set.
+ */
if ((reg & PWM_ENABLE_MODE_MASK) == PWM_MODE_AUTO) {
dev_dbg(dev, "PWM%d is in automatic control mode\n",
i + 1);
--
1.7.3.1
_______________________________________________
lm-sensors mailing list
lm-sensors@xxxxxxxxxxxxxx
http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
