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path: root/drivers/gpio/gpio-zynq.c
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Diffstat (limited to 'drivers/gpio/gpio-zynq.c')
-rw-r--r--drivers/gpio/gpio-zynq.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index 75c6355..e72794e 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -709,7 +709,13 @@ static int zynq_gpio_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "input clock not found.\n");
return PTR_ERR(gpio->clk);
}
+ ret = clk_prepare_enable(gpio->clk);
+ if (ret) {
+ dev_err(&pdev->dev, "Unable to enable clock.\n");
+ return ret;
+ }
+ pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
ret = pm_runtime_get_sync(&pdev->dev);
if (ret < 0)
@@ -747,6 +753,7 @@ err_pm_put:
pm_runtime_put(&pdev->dev);
err_pm_dis:
pm_runtime_disable(&pdev->dev);
+ clk_disable_unprepare(gpio->clk);
return ret;
}