From: Xianwei Zhao via B4 Relay <devnull+xianwei.zhao.amlogic.com@kernel.org>
To: Vinod Koul <vkoul@kernel.org>, Frank Li <Frank.Li@kernel.org>
Cc: linux-amlogic@lists.infradead.org, dmaengine@vger.kernel.org,
linux-kernel@vger.kernel.org, kernel test robot <lkp@intel.com>,
Xianwei Zhao <xianwei.zhao@amlogic.com>
Subject: [PATCH v2] dmaengine: amlogic: Fix little-endian variable operations issue
Date: Tue, 13 Oct 2026 03:21:11 +0000 [thread overview]
Message-ID: <20261013-fix-a9-dma-v2-1-860146b2ef57@amlogic.com> (raw)
From: Xianwei Zhao <xianwei.zhao@amlogic.com>
In dma_async_tx_descriptor function,fix the situation where the operation
processing of the little-endian variable requires corresponding conversion.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202610060235.PuCxWQdk-lkp@intel.com/
Fixes: b84b5197e344 ("dmaengine: amlogic: Add general DMA driver for A9")
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
---
Fix the operation little-endian variable issue.
---
Changes in v2:
- Simplify processing and rename subject to 'dmaengine', suggested by Frank.
- Link to v1: https://lore.kernel.org/r/20261012-fix-a9-dma-v1-1-2d83008f3e32@amlogic.com
---
drivers/dma/amlogic-dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/amlogic-dma.c b/drivers/dma/amlogic-dma.c
index 78ee2337ae71..dbd23d29397d 100644
--- a/drivers/dma/amlogic-dma.c
+++ b/drivers/dma/amlogic-dma.c
@@ -321,7 +321,7 @@ static struct dma_async_tx_descriptor *aml_dma_prep_slave_sg
/* the last sg set eoc flag */
sg_link--;
- sg_link->ctl |= LINK_EOC;
+ sg_link->ctl |= cpu_to_le32(LINK_EOC);
return vchan_tx_prep(&aml_chan->vchan, &aml_desc->vd, flags);
}
---
base-commit: 42c31fec1ca76b8b5f7759def122d418dff2cd4b
change-id: 20261012-fix-a9-dma-4be7e61ba653
Best regards,
--
Xianwei Zhao <xianwei.zhao@amlogic.com>
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next reply other threads:[~2026-10-13 3:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-13 3:21 Xianwei Zhao via B4 Relay [this message]
2026-10-13 14:35 ` Frank Li
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