diff mbox series

dma/dw-edma: chip regs base should add the offset

Message ID 20241016081725.4810-1-tangchunyou@163.com (mailing list archive)
State New
Headers show
Series dma/dw-edma: chip regs base should add the offset | expand

Commit Message

ChunyouTang Oct. 16, 2024, 8:17 a.m. UTC 
From: tangchunyou <tangchunyou@163.com>

1. the regs base in the bar havd en offset rg.off
	.rg.bar		= BAR0,
	.rg.off		= 0x00001000,	/* 4 Kbytes */
	.rg.sz		= 0x00002000,	/* 8 Kbytes */

2. add the rg.off to obtain the real regs base.

Signed-off-by: tangchunyou <tangchunyou@163.com>
---
 drivers/dma/dw-edma/dw-edma-pcie.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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];