linux-kernel - Re: [PATCH -next] dma: mmp_pdma: use list_move instead of list_del/list

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Date:	Mon, 23 Sep 2013 15:32:53 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Wei Yongjun <weiyj.lk@...il.com>
Cc:	djbw@...com, grant.likely@...aro.org, rob.herring@...xeda.com,
	yongjun_wei@...ndmicro.com.cn, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH -next] dma: mmp_pdma: use list_move instead of
 list_del/list_add

On Mon, Sep 23, 2013 at 02:07:20PM +0800, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
> 
> Using list_move() instead of list_del() + list_add().
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
Applied, thanks

~Vinod
> ---
>  drivers/dma/mmp_pdma.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
> index ff8d7827..558994f 100644
> --- a/drivers/dma/mmp_pdma.c
> +++ b/drivers/dma/mmp_pdma.c
> @@ -798,8 +798,7 @@ static void dma_do_tasklet(unsigned long data)
>  		 * move the descriptors to a temporary list so we can drop
>  		 * the lock during the entire cleanup operation
>  		 */
> -		list_del(&desc->node);
> -		list_add(&desc->node, &chain_cleanup);
> +		list_move(&desc->node, &chain_cleanup);
>  
>  		/*
>  		 * Look for the first list entry which has the ENDIRQEN flag
> 

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