linux-kernel - Re: [PATCH v3 00/13] dmaengine: introduce sg_nents_for

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Message-Id: <176792844895.658957.498171043788217178.b4-ty@kernel.org>
Date: Fri, 09 Jan 2026 08:44:08 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Stefan Wahren <wahrenst@....net>, 
 Thomas Andreatta <thomasandreatta2000@...il.com>, 
 Caleb Sander Mateos <csander@...estorage.com>, dmaengine@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org, 
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Olivier Dautricourt <olivierdautricourt@...il.com>, 
 Stefan Roese <sr@...x.de>, Florian Fainelli <florian.fainelli@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, 
 Lars-Peter Clausen <lars@...afoo.de>, 
 Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>, 
 Daniel Mack <daniel@...que.org>, Haojian Zhuang <haojian.zhuang@...il.com>, 
 Robert Jarzmik <robert.jarzmik@...e.fr>, Lizhi Hou <lizhi.hou@....com>, 
 Brian Xu <brian.xu@....com>, 
 Raj Kumar Rampelli <raj.kumar.rampelli@....com>, 
 Michal Simek <michal.simek@....com>, 
 Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v3 00/13] dmaengine: introduce sg_nents_for_dma() and
 convert users


On Thu, 13 Nov 2025 16:12:56 +0100, Andy Shevchenko wrote:
> A handful of the DMAengine drivers use same routine to calculate the number of
> SG entries needed for the given DMA transfer. Provide a common helper for them
> and convert.
> 
> I left the new helper on SG level of API because brief grepping shows potential
> candidates outside of DMA engine, e.g.:
> 
> [...]

Applied, thanks!

[01/13] scatterlist: introduce sg_nents_for_dma() helper
        commit: 80c70bfb95cdbe0c644070f4ca4754a60f0a4830
[02/13] dmaengine: altera-msgdma: use sg_nents_for_dma() helper
        commit: 47f5cb7878cc62ed95981c5d02862b253eddb590
[03/13] dmaengine: axi-dmac: use sg_nents_for_dma() helper
        commit: 024ae9d3092c425f3ea6eae92086a2001ca2e0c7
[04/13] dmaengine: bcm2835-dma: use sg_nents_for_dma() helper
        commit: 39110c68500a149664bafb0c174baef0d42e2129
[05/13] dmaengine: dw-axi-dmac: use sg_nents_for_dma() helper
        commit: 5d6ceb254fa9ac1f50932c42a0a9a8bedaa3190d
[06/13] dmaengine: k3dma: use sg_nents_for_dma() helper
        commit: 3fc49d21f3a46866724ff8ef8a79c6e2cd9d7676
[07/13] dmaengine: lgm: use sg_nents_for_dma() helper
        commit: f9b0274f53a2d464e71f37e8f4d0d0dc41321259
[08/13] dmaengine: pxa-dma: use sg_nents_for_dma() helper
        commit: 068942eaa232ba752b744d98ff8ab22b26c8bff4
[09/13] dmaengine: qcom: adm: use sg_nents_for_dma() helper
        commit: 425f871d7acdb521d67c2578e6ae688a751d1e80
[10/13] dmaengine: qcom: bam_dma: use sg_nents_for_dma() helper
        commit: 107fdf0c4e944030bf544aea98e8ae8537914177
[11/13] dmaengine: sa11x0: use sg_nents_for_dma() helper
        commit: d7785661010e2fe113aec2500f988a8e73ac3e7b
[12/13] dmaengine: sh: use sg_nents_for_dma() helper
        commit: ac326dca6870f0d8e0787e94b1d9c2c91bb358d7
[13/13] dmaengine: xilinx: xdma: use sg_nents_for_dma() helper
        commit: 3c8a86ed002ab8fb287ee4ec92f0fd6ac5b291d2

Best regards,
-- 
~Vinod