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dmaengine: stm32: Simplify with dev_err_probe()

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Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200828152637.16903-2-krzk@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2020-08-28 17:26:36 +02:00 committed by Vinod Koul
parent af53bef563
commit 1c966e1d94
3 changed files with 8 additions and 18 deletions
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8
drivers/dma/stm32-dma.c
View file

@ -1311,12 +1311,8 @@ static int stm32_dma_probe(struct platform_device *pdev)
return PTR_ERR(dmadev->base);
dmadev->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(dmadev->clk)) {
ret = PTR_ERR(dmadev->clk);
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev, "Can't get clock\n");
return ret;
}
if (IS_ERR(dmadev->clk))
return dev_err_probe(&pdev->dev, PTR_ERR(dmadev->clk), "Can't get clock\n");
ret = clk_prepare_enable(dmadev->clk);
if (ret < 0) {

9
drivers/dma/stm32-dmamux.c
View file

@ -252,12 +252,9 @@ static int stm32_dmamux_probe(struct platform_device *pdev)
spin_lock_init(&stm32_dmamux->lock);
stm32_dmamux->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(stm32_dmamux->clk)) {
ret = PTR_ERR(stm32_dmamux->clk);
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev, "Missing clock controller\n");
return ret;
}
if (IS_ERR(stm32_dmamux->clk))
return dev_err_probe(&pdev->dev, PTR_ERR(stm32_dmamux->clk),
"Missing clock controller\n");
ret = clk_prepare_enable(stm32_dmamux->clk);
if (ret < 0) {

9
drivers/dma/stm32-mdma.c
View file

@ -1580,12 +1580,9 @@ static int stm32_mdma_probe(struct platform_device *pdev)
return PTR_ERR(dmadev->base);
dmadev->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(dmadev->clk)) {
ret = PTR_ERR(dmadev->clk);
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev, "Missing clock controller\n");
return ret;
}
if (IS_ERR(dmadev->clk))
return dev_err_probe(&pdev->dev, PTR_ERR(dmadev->clk),
"Missing clock controller\n");
ret = clk_prepare_enable(dmadev->clk);
if (ret < 0) {