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authorAnson Huang <Anson.Huang@nxp.com>2019-08-01 11:44:39 +0300
committerBartosz Golaszewski <bgolaszewski@baylibre.com>2019-08-02 10:06:13 +0300
commit7beb620f805dcb6757b5e7870bebd75e3e9b37e0 (patch)
tree93cf8c3ec69378dcbed308704f63f5c21a0e3eeb /drivers/gpio/gpio-mxc.c
parent61059b7048ee1d635673f3014ea9f7e3e4b1532f (diff)
downloadlinux-7beb620f805dcb6757b5e7870bebd75e3e9b37e0.tar.xz
gpio: mxc: Use devm_clk_get_optional instead of devm_clk_get
i.MX SoC's GPIO clock is optional, so it is better to use devm_clk_get_optional instead of devm_clk_get. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'drivers/gpio/gpio-mxc.c')
-rw-r--r--drivers/gpio/gpio-mxc.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index b2813580c582..7907a8755866 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -435,12 +435,9 @@ static int mxc_gpio_probe(struct platform_device *pdev)
return port->irq;
/* the controller clock is optional */
- port->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(port->clk)) {
- if (PTR_ERR(port->clk) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
- port->clk = NULL;
- }
+ port->clk = devm_clk_get_optional(&pdev->dev, NULL);
+ if (IS_ERR(port->clk))
+ return PTR_ERR(port->clk);
err = clk_prepare_enable(port->clk);
if (err) {