linux-kernel - Re: [PATCH] dmaengine: pl330: issue

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Message-Id: <170317622670.683420.3881501030324253538.b4-ty@kernel.org>
Date: Thu, 21 Dec 2023 22:00:26 +0530
From: Vinod Koul <vkoul@...nel.org>
To: p.zabel@...gutronix.de, Bumyong Lee <bumyong.lee@...sung.com>
Cc: dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: pl330: issue_pending waits until WFP state


On Tue, 19 Dec 2023 14:50:26 +0900, Bumyong Lee wrote:
> According to DMA-330 errata notice[1] 71930, DMAKILL
> cannot clear internal signal, named pipeline_req_active.
> it makes that pl330 would wait forever in WFP state
> although dma already send dma request if pl330 gets
> dma request before entering WFP state.
> 
> The errata suggests that polling until entering WFP state
> as workaround and then peripherals allows to issue dma request.
> 
> [...]

Applied, thanks!

[1/1] dmaengine: pl330: issue_pending waits until WFP state
      commit: d114d3a096194fb2a9c3bedd7be6587b97610625

Best regards,
-- 
~Vinod