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* [PATCH 1/2] lp3971: remove unnecessary ret value checking in lp3971_i2c_write()
@ 2010-08-05  3:40 Axel Lin
  2010-08-05 12:11 ` Mark Brown
  0 siblings, 1 reply; 5+ messages in thread
From: Axel Lin @ 2010-08-05  3:40 UTC (permalink / raw)
  To: linux-kernel; +Cc: Liam Girdwood, Mark Brown, Marek Szyprowski, Kyungmin Park

i2c_smbus_write_byte_data() returns zero or negative value,
therefore no need to check if ret is greater than zero or not.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 drivers/regulator/lp3971.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c
index 8ae3732..d4d9822 100644
--- a/drivers/regulator/lp3971.c
+++ b/drivers/regulator/lp3971.c
@@ -387,15 +387,9 @@ static int lp3971_i2c_read(struct i2c_client *i2c, char reg, int count,
 static int lp3971_i2c_write(struct i2c_client *i2c, char reg, int count,
 	const u16 *src)
 {
-	int ret;
-
 	if (count != 1)
 		return -EIO;
-	ret = i2c_smbus_write_byte_data(i2c, reg, *src);
-	if (ret >= 0)
-		return 0;
-
-	return ret;
+	return i2c_smbus_write_byte_data(i2c, reg, *src);
 }
 
 static u8 lp3971_reg_read(struct lp3971 *lp3971, u8 reg)
-- 
1.5.4.3




^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2010-08-05 23:56 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2010-08-05  3:40 [PATCH 1/2] lp3971: remove unnecessary ret value checking in lp3971_i2c_write() Axel Lin
2010-08-05 12:11 ` Mark Brown
2010-08-05 14:22   ` Axel Lin
2010-08-05 14:43     ` Mark Brown
2010-08-05 23:56       ` Axel Lin

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