linux-kernel - Re: [PATCH 1/1] dmaengine: fsl-edma: fix edma4 channel enable failure on second attempt

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Date:   Thu, 28 Sep 2023 17:38:04 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Frank Li <Frank.Li@....com>
Cc:     devicetree@...r.kernel.org, dmaengine@...r.kernel.org,
        frank.li@....com, imx@...ts.linux.dev, joy.zou@....com,
        krzysztof.kozlowski+dt@...aro.org, linux-kernel@...r.kernel.org,
        peng.fan@....com, robh+dt@...nel.org, shenwei.wang@....com
Subject: Re: [PATCH 1/1] dmaengine: fsl-edma: fix edma4 channel enable
 failure on second attempt


On Wed, 23 Aug 2023 14:26:35 -0400, Frank Li wrote:
> When attempting to start DMA for the second time using
> fsl_edma3_enable_request(), channel never start.
> 
> CHn_MUX must have a unique value when selecting a peripheral slot in the
> channel mux configuration. The only value that may overlap is source 0.
> If there is an attempt to write a mux configuration value that is already
> consumed by another channel, a mux configuration of 0 (SRC = 0) will be
> written.
> 
> [...]

Applied, thanks!

[1/1] dmaengine: fsl-edma: fix edma4 channel enable failure on second attempt
      commit: 3f4b82167a3b1f4ddb33d890f758a042ef4ceef1

Best regards,
-- 
~Vinod