From: Vinod Koul <vkoul@kernel.org>
To: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Cc: dmaengine@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Subject: Re: [PATCH] dmaengine: Clarify cyclic transfer residue documentation
Date: Mon, 11 Apr 2022 19:16:02 +0530 [thread overview]
Message-ID: <YlQxGh9Jhzm4ekb7@matsya> (raw)
In-Reply-To: <20220331134114.703782-1-paul.kocialkowski@bootlin.com>
On 31-03-22, 15:41, Paul Kocialkowski wrote:
> The current documentation for the residue reported in a cyclic transfer
> case mentions that the reported residue should be relative to the current
> period only. However the definition of DMA_RESIDUE_GRANULARITY_SEGMENT
> specifies that the residue should be updated after each period for
> a cyclic transfer, which is in direct contradiction.
>
> Moreover the pcm_dmaengine common code uses the residue relative to
> the whole cyclic buffer size, not one period.
>
> Correct the residue-related documentation to reflect this.
Applied, thanks
--
~Vinod
prev parent reply other threads:[~2022-04-11 13:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-31 13:41 [PATCH] dmaengine: Clarify cyclic transfer residue documentation Paul Kocialkowski
2022-04-11 13:46 ` Vinod Koul [this message]
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