linux-kernel - [PATCH] dma/dw-edma: chip regs base should add the offset

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Message-Id: <20241014134832.4505-1-tangchunyou@163.com>
Date: Mon, 14 Oct 2024 21:48:32 +0800
From: ChunyouTang <tangchunyou@....com>
To: manivannan.sadhasivam@...aro.org,
	fancer.lancer@...il.com,
	vkoul@...nel.org
Cc: dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	tangchunyou@....com
Subject: [PATCH] dma/dw-edma: chip regs base should add the offset

From: tangchunyou <tangchunyou@....com>

fix the regs base with offset.

Signed-off-by: tangchunyou <tangchunyou@....com>
---
 drivers/dma/dw-edma/dw-edma-pcie.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c b/drivers/dma/dw-edma/dw-edma-pcie.c
index 1c6043751dc9..2918b64708f9 100644
--- a/drivers/dma/dw-edma/dw-edma-pcie.c
+++ b/drivers/dma/dw-edma/dw-edma-pcie.c
@@ -234,6 +234,8 @@ static int dw_edma_pcie_probe(struct pci_dev *pdev,
 	if (!chip->reg_base)
 		return -ENOMEM;
 
+	chip->reg_base += vsec_data.rg.off;
+
 	for (i = 0; i < chip->ll_wr_cnt; i++) {
 		struct dw_edma_region *ll_region = &chip->ll_region_wr[i];
 		struct dw_edma_region *dt_region = &chip->dt_region_wr[i];
-- 
2.25.1