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authorZhang Zekun <zhangzekun11@huawei.com>2024-09-04 17:23:11 +0800
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2024-09-05 15:04:44 +0200
commit4e26ddab828f82f5ebf0fe6d92a6983ca13c519a (patch)
treeab07074cb495a04f8814de4f0097b30b2d47df0b /drivers/gpio
parent162b169656039027986f16b82a20745523dbf891 (diff)
downloadlwn-4e26ddab828f82f5ebf0fe6d92a6983ca13c519a.tar.gz
lwn-4e26ddab828f82f5ebf0fe6d92a6983ca13c519a.zip
gpio: xilinx: Use helper function devm_clk_get_optional_enabled()
devm_clk_get_optional() and clk_prepare_enable() can be replaced by helper function devm_clk_get_optional_enabled(). Let's simplify code with use of devm_clk_get_optional_enabled() and avoid calling clk_disable_unprepare(). Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com> Link: https://lore.kernel.org/r/20240904092311.9544-5-zhangzekun11@huawei.com Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-xilinx.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index 7348df385198..afcf432a1573 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -333,12 +333,9 @@ static int __maybe_unused xgpio_suspend(struct device *dev)
*/
static void xgpio_remove(struct platform_device *pdev)
{
- struct xgpio_instance *gpio = platform_get_drvdata(pdev);
-
pm_runtime_get_sync(&pdev->dev);
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_disable(&pdev->dev);
- clk_disable_unprepare(gpio->clk);
}
/**
@@ -644,15 +641,10 @@ static int xgpio_probe(struct platform_device *pdev)
return PTR_ERR(chip->regs);
}
- chip->clk = devm_clk_get_optional(&pdev->dev, NULL);
+ chip->clk = devm_clk_get_optional_enabled(&pdev->dev, NULL);
if (IS_ERR(chip->clk))
return dev_err_probe(&pdev->dev, PTR_ERR(chip->clk), "input clock not found.\n");
- status = clk_prepare_enable(chip->clk);
- if (status < 0) {
- dev_err(&pdev->dev, "Failed to prepare clk\n");
- return status;
- }
pm_runtime_get_noresume(&pdev->dev);
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
@@ -699,7 +691,6 @@ skip_irq:
err_pm_put:
pm_runtime_disable(&pdev->dev);
pm_runtime_put_noidle(&pdev->dev);
- clk_disable_unprepare(chip->clk);
return status;
}