[PATCH 1/9] dmaengine: stm32-dmamux: simplify getting .driver_data
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date: 2021-09-20 09:06:19
Also in:
dmaengine, linux-renesas-soc, lkml
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
We should get 'driver_data' from 'struct device' directly. Going via platform_device is an unneeded step back and forth. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- Build tested only. buildbot is happy. drivers/dma/stm32-dmamux.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-)
diff --git a/drivers/dma/stm32-dmamux.c b/drivers/dma/stm32-dmamux.c
index a42164389ebc..175f06749df6 100644
--- a/drivers/dma/stm32-dmamux.c
+++ b/drivers/dma/stm32-dmamux.c@@ -305,8 +305,7 @@ 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 = to_platform_device(dev); - struct stm32_dmamux_data *stm32_dmamux = platform_get_drvdata(pdev); + struct stm32_dmamux_data *stm32_dmamux = dev_get_drvdata(dev); clk_disable_unprepare(stm32_dmamux->clk);
@@ -315,13 +314,12 @@ static int stm32_dmamux_runtime_suspend(struct device *dev) static int stm32_dmamux_runtime_resume(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct stm32_dmamux_data *stm32_dmamux = platform_get_drvdata(pdev); + struct stm32_dmamux_data *stm32_dmamux = dev_get_drvdata(dev); int ret; ret = clk_prepare_enable(stm32_dmamux->clk); if (ret) { - dev_err(&pdev->dev, "failed to prepare_enable clock\n"); + dev_err(dev, "failed to prepare_enable clock\n"); return ret; }
@@ -332,8 +330,7 @@ static int stm32_dmamux_runtime_resume(struct device *dev) #ifdef CONFIG_PM_SLEEP static int stm32_dmamux_suspend(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct stm32_dmamux_data *stm32_dmamux = platform_get_drvdata(pdev); + struct stm32_dmamux_data *stm32_dmamux = dev_get_drvdata(dev); int i, ret; ret = pm_runtime_resume_and_get(dev);
@@ -353,8 +350,7 @@ static int stm32_dmamux_suspend(struct device *dev) static int stm32_dmamux_resume(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct stm32_dmamux_data *stm32_dmamux = platform_get_drvdata(pdev); + struct stm32_dmamux_data *stm32_dmamux = dev_get_drvdata(dev); int i, ret; ret = pm_runtime_force_resume(dev);
--
2.30.2
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