From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>
Subject: [PATCH 1/2] lp3971: remove unnecessary ret value checking in lp3971_i2c_write()
Date: Thu, 05 Aug 2010 11:40:38 +0800 [thread overview]
Message-ID: <1280979638.1238.2.camel@mola> (raw)
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
next reply other threads:[~2010-08-05 3:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-05 3:40 Axel Lin [this message]
2010-08-05 12:11 ` [PATCH 1/2] lp3971: remove unnecessary ret value checking in lp3971_i2c_write() 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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