linux-kernel - Re: [PATCH 2/7] OMAPDSS: DISPC: Fix the usage of wait_for_completion

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Date:	Tue, 6 Nov 2012 13:30:56 +0200
From:	Tomi Valkeinen <tomi.valkeinen@...com>
To:	Chuansheng Liu <chuansheng.liu@...el.com>
CC:	<FlorianSchandinat@....de>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/7] OMAPDSS: DISPC: Fix the usage of wait_for_completion_timeout

On 2012-11-06 19:21, Chuansheng Liu wrote:
> 
> The return value of wait_for_completion_timeout() is always
>> = 0 with unsigned int type.
> 
> So the condition "ret < 0" or "ret >= 0" is pointless.
> 
> Signed-off-by: liu chuansheng <chuansheng.liu@...el.com>
> ---
>  drivers/video/omap2/dss/dispc.c |    3 ---
>  1 files changed, 0 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
> index b43477a..9858869 100644
> --- a/drivers/video/omap2/dss/dispc.c
> +++ b/drivers/video/omap2/dss/dispc.c
> @@ -3893,9 +3893,6 @@ int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout)
>  	if (timeout == 0)
>  		return -ETIMEDOUT;
>  
> -	if (timeout == -ERESTARTSYS)
> -		return -ERESTARTSYS;
> -
>  	return 0;
>  }

Thanks. I'll apply this to omapdss tree to avoid any conflicts.

 Tomi




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