diff options
Diffstat (limited to 'drivers/dma/dw_dmac.c')
| -rw-r--r-- | drivers/dma/dw_dmac.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index 3e8ba02..b33d1f6 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -14,6 +14,7 @@ #include <linux/delay.h> #include <linux/dmaengine.h> #include <linux/dma-mapping.h> +#include <linux/err.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/io.h> @@ -1489,9 +1490,9 @@ static int dw_probe(struct platform_device *pdev) if (irq < 0) return irq; - regs = devm_request_and_ioremap(&pdev->dev, io); - if (!regs) - return -EBUSY; + regs = devm_ioremap_resource(&pdev->dev, io); + if (IS_ERR(regs)) + return PTR_ERR(regs); dw_params = dma_read_byaddr(regs, DW_PARAMS); autocfg = dw_params >> DW_PARAMS_EN & 0x1; |
