Greg KH
2005-06-22T06:27:08Z

[PATCH] I2C: Kill common macro abuse in chip drivers

This patch kills a common macro abuse in i2c chip drivers: defining
ALARMS_FROM_REG returning its argument unchanged. Dropping the macro
makes the code somewhat more readable IMHO.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
commit 68188ba7de2db9999ff08a4544a78b2f10eb08bd
tree 37e0406d7f2b6ace2bc73043bda0c745d3aa5e37
parent ff3240946d6a3d9f2ecf273f7330e09eec5484eb
author Jean Delvare <khali@linux-fr.org> Mon, 16 May 2005 18:52:38 +0200
committer Greg Kroah-Hartman <gregkh@suse.de> Tue, 21 Jun 2005 21:51:57 -0700

drivers/i2c/chips/asb100.c | 4 +---
drivers/i2c/chips/it87.c | 4 +---
drivers/i2c/chips/lm85.c | 4 +---
drivers/i2c/chips/via686a.c | 4 +---
drivers/i2c/chips/w83781d.c | 3 +--
5 files changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/i2c/chips/asb100.c b/drivers/i2c/chips/asb100.c
--- a/drivers/i2c/chips/asb100.c
+++ b/drivers/i2c/chips/asb100.c
@@ -169,8 +169,6 @@ static int ASB100_PWM_FROM_REG(u8 reg)
return reg * 16;
}

-#define ALARMS_FROM_REG(val) (val)
-
#define DIV_FROM_REG(val) (1 << (val))

/* FAN DIV: 1, 2, 4, or 8 (defaults to 2)
@@ -557,7 +555,7 @@ device_create_file(&client->dev, &dev_at
static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
{
struct asb100_data *data = asb100_update_device(dev);
- return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->alarms));
+ return sprintf(buf, "%u\n", data->alarms);
}

static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
diff --git a/drivers/i2c/chips/it87.c b/drivers/i2c/chips/it87.c
--- a/drivers/i2c/chips/it87.c
+++ b/drivers/i2c/chips/it87.c
@@ -172,8 +172,6 @@ static inline u8 FAN_TO_REG(long rpm, in
((val)+500)/1000),-128,127))
#define TEMP_FROM_REG(val) (((val)>0x80?(val)-0x100:(val))*1000)

-#define ALARMS_FROM_REG(val) (val)
-
#define PWM_TO_REG(val) ((val) >> 1)
#define PWM_FROM_REG(val) (((val)&0x7f) << 1)

@@ -665,7 +663,7 @@ show_pwm_offset(3);
static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
{
struct it87_data *data = it87_update_device(dev);
- return sprintf(buf,"%d\n", ALARMS_FROM_REG(data->alarms));
+ return sprintf(buf, "%u\n", data->alarms);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);

diff --git a/drivers/i2c/chips/lm85.c b/drivers/i2c/chips/lm85.c
--- a/drivers/i2c/chips/lm85.c
+++ b/drivers/i2c/chips/lm85.c
@@ -284,8 +284,6 @@ static int ZONE_TO_REG( int zone )
/* i2c-vid.h defines vid_from_reg() */
#define VID_FROM_REG(val,vrm) (vid_from_reg((val),(vrm)))

-#define ALARMS_FROM_REG(val) (val)
-
/* Unlike some other drivers we DO NOT set initial limits. Use
* the config file to set limits. Some users have reported
* motherboards shutting down when we set limits in a previous
@@ -480,7 +478,7 @@ static DEVICE_ATTR(vrm, S_IRUGO | S_IWUS
static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf, "%ld\n", (long) ALARMS_FROM_REG(data->alarms));
+ return sprintf(buf, "%u\n", data->alarms);
}

static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
diff --git a/drivers/i2c/chips/via686a.c b/drivers/i2c/chips/via686a.c
--- a/drivers/i2c/chips/via686a.c
+++ b/drivers/i2c/chips/via686a.c
@@ -292,8 +292,6 @@ static inline long TEMP_FROM_REG10(u16 v
tempLUT[eightBits + 1] * twoBits) * 25;
}

-#define ALARMS_FROM_REG(val) (val)
-
#define DIV_FROM_REG(val) (1 << (val))
#define DIV_TO_REG(val) ((val)==8?3:(val)==4?2:(val)==1?0:1)

@@ -570,7 +568,7 @@ show_fan_offset(2);
/* Alarms */
static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) {
struct via686a_data *data = via686a_update_device(dev);
- return sprintf(buf,"%d\n", ALARMS_FROM_REG(data->alarms));
+ return sprintf(buf, "%u\n", data->alarms);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);

diff --git a/drivers/i2c/chips/w83781d.c b/drivers/i2c/chips/w83781d.c
--- a/drivers/i2c/chips/w83781d.c
+++ b/drivers/i2c/chips/w83781d.c
@@ -172,7 +172,6 @@ FAN_TO_REG(long rpm, int div)
: (val)) / 1000, 0, 0xff))
#define TEMP_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000)

-#define ALARMS_FROM_REG(val) (val)
#define PWM_FROM_REG(val) (val)
#define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
#define BEEP_MASK_FROM_REG(val,type) ((type) == as99127f ? \
@@ -523,7 +522,7 @@ static ssize_t
show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83781d_data *data = w83781d_update_device(dev);
- return sprintf(buf, "%ld\n", (long) ALARMS_FROM_REG(data->alarms));
+ return sprintf(buf, "%u\n", data->alarms);
}

static