linux-kernel - Re: [PATCH] i2c: cadence: match return type of wait_for_completion

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Date:	Mon, 9 Feb 2015 14:21:45 +0100
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Nicholas Mc Guire <hofrat@...dl.org>
Cc:	Michal Simek <michal.simek@...inx.com>,
	Soren Brinkmann <soren.brinkmann@...inx.com>,
	linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: cadence: match return type of
 wait_for_completion_timeout

On Sun, Feb 08, 2015 at 07:55:55AM -0500, Nicholas Mc Guire wrote:
> return type of wait_for_completion_timeout is unsigned long not int. as
> ret is only used for wait_for_completion_timeout anyway the type is simply 
> changed to unsigned long.
> 
> Signed-off-by: Nicholas Mc Guire <hofrat@...dl.org>

Same as for the axxia driver: Please rename the variable because ret
being an int is kind of an idiom.

> ---
> 
> Patch was only compile tested with multi_v7_defconfig
> (implies CONFIG_I2C_CADENCE=y)
> 
> Patch is against 3.19.0-rc7 (localversion-next is -next-20150204)
> 
>  drivers/i2c/busses/i2c-cadence.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
> index 7d7a14c..5fbffe0 100644
> --- a/drivers/i2c/busses/i2c-cadence.c
> +++ b/drivers/i2c/busses/i2c-cadence.c
> @@ -475,7 +475,7 @@ static void cdns_i2c_master_reset(struct i2c_adapter *adap)
>  static int cdns_i2c_process_msg(struct cdns_i2c *id, struct i2c_msg *msg,
>  		struct i2c_adapter *adap)
>  {
> -	int ret;
> +	unsigned long ret;
>  	u32 reg;
>  
>  	id->p_msg = msg;
> -- 
> 1.7.10.4
> 

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