linux-kernel - [PATCH] dmaengine: dw-axi-dmac: Fix CH_CFG2_H_PRIORITY

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Message-Id: <20250519060722.307285-1-changhuang.liang@starfivetech.com>
Date: Sun, 18 May 2025 23:07:22 -0700
From: Changhuang Liang <changhuang.liang@...rfivetech.com>
To: Vinod Koul <vkoul@...nel.org>,
	Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Pandith N <pandith.n@...el.com>,
	dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Changhuang Liang <changhuang.liang@...rfivetech.com>
Subject: [PATCH] dmaengine: dw-axi-dmac: Fix CH_CFG2_H_PRIORITY_POS shift macro

CH_PRIOR field is located in CH_CFG2 bits [51:47]. So its shift in
CH_CFG2_H_ is 15. Correct it.

Fixes: 824351668a41 ("dmaengine: dw-axi-dmac: support DMAX_NUM_CHANNELS > 8")
Cc: Pandith N <pandith.n@...el.com>
Signed-off-by: Changhuang Liang <changhuang.liang@...rfivetech.com>
---
 drivers/dma/dw-axi-dmac/dw-axi-dmac.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac.h b/drivers/dma/dw-axi-dmac/dw-axi-dmac.h
index b842e6a8d90d..facdfb453ffc 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac.h
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac.h
@@ -326,7 +326,7 @@ enum {
 #define CH_CFG2_H_TT_FC_POS		0
 #define CH_CFG2_H_HS_SEL_SRC_POS	3
 #define CH_CFG2_H_HS_SEL_DST_POS	4
-#define CH_CFG2_H_PRIORITY_POS		20
+#define CH_CFG2_H_PRIORITY_POS		15

 /**
  * DW AXI DMA channel interrupts
--
2.25.1