dmaengine: xgene-dma: Fix the resource map to handle overlapping

[linux.git] / drivers / dma / xgene-dma.c

diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c
index 620fd55ec7660b053a511b8237e54fc46118f407..dff22ab01851aadb37fd434a334cf6cc681cf29c 100644 (file)
--- a/drivers/dma/xgene-dma.c
+++ b/drivers/dma/xgene-dma.c
@@ -111,6 +111,7 @@
 #define XGENE_DMA_MEM_RAM_SHUTDOWN             0xD070
 #define XGENE_DMA_BLK_MEM_RDY                  0xD074
 #define XGENE_DMA_BLK_MEM_RDY_VAL              0xFFFFFFFF
+#define XGENE_DMA_RING_CMD_SM_OFFSET           0x8000
 
 /* X-Gene SoC EFUSE csr register and bit defination */
 #define XGENE_SOC_JTAG1_SHADOW                 0x18
@@ -1887,6 +1888,8 @@ static int xgene_dma_get_resources(struct platform_device *pdev,
                return -ENOMEM;
        }
 
+       pdma->csr_ring_cmd += XGENE_DMA_RING_CMD_SM_OFFSET;
+
        /* Get efuse csr region */
        res = platform_get_resource(pdev, IORESOURCE_MEM, 3);
        if (!res) {