From: Vinod Koul <vkoul@kernel.org>
To: Yunbo Yu <yuyunbo519@gmail.com>
Cc: logang@deltatee.com, dmaengine@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dmaengine: plx_dma: Move spin_lock_bh() to spin_lock()
Date: Wed, 20 Apr 2022 16:00:04 +0530 [thread overview]
Message-ID: <Yl/grDCcX0/SRusw@matsya> (raw)
In-Reply-To: <20220418142021.1241558-1-yuyunbo519@gmail.com>
On 18-04-22, 22:20, Yunbo Yu wrote:
> It is unnecessary to call spin_lock_bh() for you are already in a tasklet.
call spin_lock_bh() if you are already in a ..
With that fixed, applied. Thanks
>
> Signed-off-by: Yunbo Yu <yuyunbo519@gmail.com>
> ---
> drivers/dma/plx_dma.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/dma/plx_dma.c b/drivers/dma/plx_dma.c
> index 1ffcb5ca9788..12725fa1655f 100644
> --- a/drivers/dma/plx_dma.c
> +++ b/drivers/dma/plx_dma.c
> @@ -137,7 +137,7 @@ static void plx_dma_process_desc(struct plx_dma_dev *plxdev)
> struct plx_dma_desc *desc;
> u32 flags;
>
> - spin_lock_bh(&plxdev->ring_lock);
> + spin_lock(&plxdev->ring_lock);
>
> while (plxdev->tail != plxdev->head) {
> desc = plx_dma_get_desc(plxdev, plxdev->tail);
> @@ -165,7 +165,7 @@ static void plx_dma_process_desc(struct plx_dma_dev *plxdev)
> plxdev->tail++;
> }
>
> - spin_unlock_bh(&plxdev->ring_lock);
> + spin_unlock(&plxdev->ring_lock);
> }
>
> static void plx_dma_abort_desc(struct plx_dma_dev *plxdev)
> --
> 2.25.1
--
~Vinod
prev parent reply other threads:[~2022-04-20 10:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-18 14:20 [PATCH] dmaengine: plx_dma: Move spin_lock_bh() to spin_lock() Yunbo Yu
2022-04-18 15:54 ` Logan Gunthorpe
2022-04-20 10:30 ` Vinod Koul [this message]
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