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Message-ID: <CH2PR02MB6523048911423F5583772FE9C7379@CH2PR02MB6523.namprd02.prod.outlook.com>
Date: Tue, 8 Jun 2021 13:16:56 +0000
From: Radhey Shyam Pandey <radheys@...inx.com>
To: Baokun Li <libaokun1@...wei.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Vinod Koul <vkoul@...nel.org>,
Michal Simek <michals@...inx.com>,
Shravya Kumbham <shravyak@...inx.com>,
Matthew Murrian <matthew.murrian@...tsi.com>,
Romain Perier <romain.perier@...il.com>,
Lars-Peter Clausen <lars@...afoo.de>,
Krzysztof Kozlowski <krzk@...nel.org>,
Allen Pais <allen.lkml@...il.com>
CC: "weiyongjun1@...wei.com" <weiyongjun1@...wei.com>,
"yuehaibing@...wei.com" <yuehaibing@...wei.com>,
"yangjihong1@...wei.com" <yangjihong1@...wei.com>,
"yukuai3@...wei.com" <yukuai3@...wei.com>,
"dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
Hulk Robot <hulkci@...wei.com>
Subject: RE: [PATCH -next] dmaengine: xilinx_dma: Use list_move_tail instead
of list_del/list_add_tail
> -----Original Message-----
> From: Baokun Li <libaokun1@...wei.com>
> Sent: Tuesday, June 8, 2021 8:39 AM
> To: linux-kernel@...r.kernel.org; Vinod Koul <vkoul@...nel.org>; Michal
> Simek <michals@...inx.com>; Radhey Shyam Pandey <radheys@...inx.com>;
> Shravya Kumbham <shravyak@...inx.com>; Matthew Murrian
> <matthew.murrian@...tsi.com>; Romain Perier
> <romain.perier@...il.com>; Lars-Peter Clausen <lars@...afoo.de>;
> Krzysztof Kozlowski <krzk@...nel.org>; Allen Pais <allen.lkml@...il.com>
> Cc: weiyongjun1@...wei.com; yuehaibing@...wei.com;
> yangjihong1@...wei.com; yukuai3@...wei.com; libaokun1@...wei.com;
> dmaengine@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; kernel-
> janitors@...r.kernel.org; Hulk Robot <hulkci@...wei.com>
> Subject: [PATCH -next] dmaengine: xilinx_dma: Use list_move_tail instead of
> list_del/list_add_tail
>
> Using list_move_tail() instead of list_del() + list_add_tail().
>
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Baokun Li <libaokun1@...wei.com>
Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@...inx.com>
Thanks!
> ---
> drivers/dma/xilinx/xilinx_dma.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
> index 75c0b8e904e5..77022ef05ac5 100644
> --- a/drivers/dma/xilinx/xilinx_dma.c
> +++ b/drivers/dma/xilinx/xilinx_dma.c
> @@ -1411,8 +1411,7 @@ static void xilinx_vdma_start_transfer(struct
> xilinx_dma_chan *chan)
>
> chan->desc_submitcount++;
> chan->desc_pendingcount--;
> - list_del(&desc->node);
> - list_add_tail(&desc->node, &chan->active_list);
> + list_move_tail(&desc->node, &chan->active_list);
> if (chan->desc_submitcount == chan->num_frms)
> chan->desc_submitcount = 0;
>
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