linux-kernel - Re: [PATCH] dmaengine: pl330: Return DMA

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Message-Id: <169091548212.69326.13915666270056885715.b4-ty@kernel.org>
Date:   Wed, 02 Aug 2023 00:14:42 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     linux-serial@...r.kernel.org,
        Robert Baldyga <r.baldyga@...sung.com>,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc:     Richard Tresidder <rtresidd@...ctromag.com.au>,
        stable@...r.kernel.org
Subject: Re: [PATCH] dmaengine: pl330: Return DMA_PAUSED when transaction
 is paused


On Fri, 26 May 2023 13:54:34 +0300, Ilpo Järvinen wrote:
> pl330_pause() does not set anything to indicate paused condition which
> causes pl330_tx_status() to return DMA_IN_PROGRESS. This breaks 8250
> DMA flush after the fix in commit 57e9af7831dc ("serial: 8250_dma: Fix
> DMA Rx rearm race"). The function comment for pl330_pause() claims
> pause is supported but resume is not which is enough for 8250 DMA flush
> to work as long as DMA status reports DMA_PAUSED when appropriate.
> 
> [...]

Applied, thanks!

[1/1] dmaengine: pl330: Return DMA_PAUSED when transaction is paused
      commit: 85648667b946069b2a3765577c418705c65c2ddf

Best regards,
-- 
~Vinod