linux-kernel - Re: [PATCH 09/10] dmaengine: k3dma: Use vchan_terminate_vdesc() instead of desc

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Message-ID: <b436c309-601e-2fbc-b5ad-6a7ffa27c793@linaro.org>
Date:   Wed, 15 Nov 2017 12:06:42 +0800
From:   zhangfei <zhangfei.gao@...aro.org>
To:     Peter Ujfalusi <peter.ujfalusi@...com>, vinod.koul@...el.com
Cc:     linux-arm-kernel@...ts.infradead.org, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org, lars@...afoo.de,
        John Stultz <john.stultz@...aro.org>
Subject: Re: [PATCH 09/10] dmaengine: k3dma: Use vchan_terminate_vdesc()
 instead of desc_free



On 2017年11月14日 22:32, Peter Ujfalusi wrote:
> To avoid race with vchan_complete, use the race free way to terminate
> running transfer.
>
> Implement the device_synchronize callback to make sure that the terminated
> descriptor is freed.
>
> CC: Zhangfei Gao <zhangfei.gao@...aro.org>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>

Thanks Peter.

Acked-by: Zhangfei Gao <zhangfei.gao@...aro.org>