Use to_platform_device() instead of open-coding it. Signed-off-by: Weitao Hou <houweitaoo@xxxxxxxxx> --- drivers/dma/stm32-dmamux.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/dma/stm32-dmamux.c b/drivers/dma/stm32-dmamux.c index a67119199c45..63af24d4c834 100644 --- a/drivers/dma/stm32-dmamux.c +++ b/drivers/dma/stm32-dmamux.c @@ -306,8 +306,7 @@ static int stm32_dmamux_probe(struct platform_device *pdev) #ifdef CONFIG_PM static int stm32_dmamux_runtime_suspend(struct device *dev) { - struct platform_device *pdev = - container_of(dev, struct platform_device, dev); + struct platform_device *pdev = to_platform_device(dev); struct stm32_dmamux_data *stm32_dmamux = platform_get_drvdata(pdev); clk_disable_unprepare(stm32_dmamux->clk); @@ -317,8 +316,7 @@ static int stm32_dmamux_runtime_suspend(struct device *dev) static int stm32_dmamux_runtime_resume(struct device *dev) { - struct platform_device *pdev = - container_of(dev, struct platform_device, dev); + struct platform_device *pdev = to_platform_device(dev); struct stm32_dmamux_data *stm32_dmamux = platform_get_drvdata(pdev); int ret; -- 2.18.0