diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c index e31414796ec4..c8bbe08b8e32 100644 --- a/drivers/dma/stm32-dma.c +++ b/drivers/dma/stm32-dma.c @@ -1296,8 +1296,10 @@ static int stm32_dma_probe(struct platform_device *pdev) dmadev->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(dmadev->clk)) { - dev_err(&pdev->dev, "Error: Missing controller clock\n"); - return PTR_ERR(dmadev->clk); + ret = PTR_ERR(dmadev->clk); + if (ret != -EPROBE_DEFER) + dev_err(&pdev->dev, "Can't get clock\n"); + return ret; } ret = clk_prepare_enable(dmadev->clk); @@ -1310,7 +1312,11 @@ static int stm32_dma_probe(struct platform_device *pdev) "st,mem2mem"); rst = devm_reset_control_get(&pdev->dev, NULL); - if (!IS_ERR(rst)) { + if (IS_ERR(rst)) { + ret = PTR_ERR(rst); + if (ret == -EPROBE_DEFER) + goto clk_free; + } else { reset_control_assert(rst); udelay(2); reset_control_deassert(rst); @@ -1470,10 +1476,11 @@ static struct platform_driver stm32_dma_driver = { .of_match_table = stm32_dma_of_match, .pm = &stm32_dma_pm_ops, }, + .probe = stm32_dma_probe, }; static int __init stm32_dma_init(void) { - return platform_driver_probe(&stm32_dma_driver, stm32_dma_probe); + return platform_driver_register(&stm32_dma_driver); } subsys_initcall(stm32_dma_init);