linux-kernel - Re: [PATCH v2] dmaengine: ti: k3-udma: Set EOP for all TRs in cyclic BCDMA transfer

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Message-Id: <172893075181.75950.15122834753763958777.b4-ty@kernel.org>
Date: Tue, 15 Oct 2024 00:02:31 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Peter Ujfalusi <peter.ujfalusi@...il.com>, 
 Jai Luthra <jai.luthra@...ux.dev>
Cc: Vignesh Raghavendra <vigneshr@...com>, 
 Francesco Dolcini <francesco.dolcini@...adex.com>, 
 Devarsh Thakkar <devarsht@...com>, Rishikesh Donadkar <r-donadkar@...com>, 
 dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dmaengine: ti: k3-udma: Set EOP for all TRs in
 cyclic BCDMA transfer


On Mon, 30 Sep 2024 13:02:54 -0400, Jai Luthra wrote:
> When receiving data in cyclic mode from PDMA peripherals, where reload
> count is set to infinite, any TR in the set can potentially be the last
> one of the overall transfer. In such cases, the EOP flag needs to be set
> in each TR and PDMA's Static TR "Z" parameter should be set, matching
> the size of the TR.
> 
> This is required for the teardown to function properly and cleanup the
> internal state memory. This only affects platforms using BCDMA and not
> those using UDMA-P, which could set EOP flag in the teardown TR
> automatically.
> 
> [...]

Applied, thanks!

[1/1] dmaengine: ti: k3-udma: Set EOP for all TRs in cyclic BCDMA transfer
      commit: d35f40642904b017d1301340734b91aef69d1c0c

Best regards,
-- 
~Vinod