From: Peter Rosin <peda@axentia.se>
To: Andrzej Hajda <a.hajda@samsung.com>, linux-kernel@vger.kernel.org
Cc: Kukjin Kim <kgene@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Wolfram Sang <wsa@the-dreams.de>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org
Subject: Re: [PATCH 2/2] i2c: exynos5: remove pointless initializers
Date: Thu, 10 May 2018 21:16:33 +0200 [thread overview]
Message-ID: <6a6f56f7-7a85-b784-e847-f23a8ae41391@axentia.se> (raw)
In-Reply-To: <b69f6656-3831-86ea-5f13-fc805d86b288@samsung.com>
On 2018-05-10 10:44, Andrzej Hajda wrote:
> On 09.05.2018 21:45, Peter Rosin wrote:
>> The variables are always assigned before use anyway.
>>
>> Signed-off-by: Peter Rosin <peda@axentia.se>
>> ---
>> drivers/i2c/busses/i2c-exynos5.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
>> index a2cbc779c33a..185fba37e830 100644
>> --- a/drivers/i2c/busses/i2c-exynos5.c
>> +++ b/drivers/i2c/busses/i2c-exynos5.c
>> @@ -707,7 +707,7 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
>> struct i2c_msg *msgs, int num)
>> {
>> struct exynos5_i2c *i2c = adap->algo_data;
>> - int i = 0, ret = 0, stop = 0;
>> + int i, ret, stop;
>
> I hope gcc is smart enough to not complain in case of ret.
I think any compiler is smart enough to see that; you must have missed
this line:
ret = clk_enable(i2c->clk);
which is the first to touch ret in the function.
> I think you can merge both patches into one.
I could, but I wanted to make the patches totally obvious and easy to
review. The patches do independent things, so I prefer not to squash.
Cheers,
Peter
>
> Regards
> Andrzej
>
>>
>> if (i2c->suspended) {
>> dev_err(i2c->dev, "HS-I2C is not initialized.\n");
>
>
next prev parent reply other threads:[~2018-05-10 19:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20180509194548epcas2p25579e969e21707afe2435b1f568ff005@epcas2p2.samsung.com>
2018-05-09 19:45 ` [PATCH 1/2] i2c: exynos5: remove some dead code Peter Rosin
2018-05-09 19:45 ` [PATCH 2/2] i2c: exynos5: remove pointless initializers Peter Rosin
2018-05-10 8:44 ` Andrzej Hajda
2018-05-10 19:16 ` Peter Rosin [this message]
2018-05-10 8:36 ` [PATCH 1/2] i2c: exynos5: remove some dead code Andrzej Hajda
2018-05-10 19:16 ` Peter Rosin
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