Using s8 instead of u8 to store temperature register values saves a few instructions on sysfs file read. The very same was done for several other drivers a while ago (lm63, lm83, lm90...) Signed-off-by: Jean Delvare <khali at linux-fr.org> drivers/hwmon/w83l785ts.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- linux-2.6.14-rc2.orig/drivers/hwmon/w83l785ts.c 2005-09-25 14:47:06.000000000 +0200 +++ linux-2.6.14-rc2/drivers/hwmon/w83l785ts.c 2005-09-25 14:49:45.000000000 +0200 @@ -74,7 +74,7 @@ * The W83L785TS-S uses signed 8-bit values. */ -#define TEMP_FROM_REG(val) ((val & 0x80 ? val-0x100 : val) * 1000) +#define TEMP_FROM_REG(val) ((val) * 1000) /* * Functions declaration @@ -112,7 +112,7 @@ unsigned long last_updated; /* in jiffies */ /* registers values */ - u8 temp[2]; /* 0: input + s8 temp[2]; /* 0: input 1: critical limit */ }; -- Jean Delvare