diff options
Diffstat (limited to 'drivers/gpio/gpio-zynq.c')
| -rw-r--r-- | drivers/gpio/gpio-zynq.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 66d3d247d..e72794e46 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -709,11 +709,17 @@ 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) - return ret; + goto err_pm_dis; /* report a bug if gpio chip registration fails */ ret = gpiochip_add_data(chip, gpio); @@ -745,6 +751,9 @@ err_rm_gpiochip: gpiochip_remove(chip); err_pm_put: pm_runtime_put(&pdev->dev); +err_pm_dis: + pm_runtime_disable(&pdev->dev); + clk_disable_unprepare(gpio->clk); return ret; } |