From: sashiko-bot@kernel.org
To: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Cc: imx@lists.linux.dev, linux-serial@vger.kernel.org, Frank.Li@kernel.org
Subject: Re: [PATCH] tty: serial: fsl_lpuart: use dmaengine_get_dma_device() for DMA mapping
Date: Wed, 16 Sep 2026 15:30:46 +0000 [thread overview]
Message-ID: <20260916153046.982411F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260916-lpuart-dma-v1-1-021be5b03e53@nxp.com>
> From: Peng Fan <peng.fan@nxp.com>
>
> Replace all chan->device->dev references with
> dmaengine_get_dma_device(chan) so that DMA mapping goes through the
> correct device when the DMA controller has per-channel IOMMU domains
> (chan_dma_dev=true). Without this, DMA map/unmap/sync bypasses the
> IOMMU context configured by the eDMA driver.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260916-lpuart-dma-v1-1-021be5b03e53@nxp.com?part=1
next prev parent reply other threads:[~2026-09-16 15:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-16 15:27 [PATCH] tty: serial: fsl_lpuart: use dmaengine_get_dma_device() for DMA mapping Peng Fan (OSS)
2026-09-16 15:30 ` sashiko-bot [this message]
2026-09-16 19:22 ` Frank Li
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