Commit 7beb620f authored by Anson Huang's avatar Anson Huang Committed by Bartosz Golaszewski
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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: default avatarAnson Huang <Anson.Huang@nxp.com>
Signed-off-by: default avatarBartosz Golaszewski <bgolaszewski@baylibre.com>
parent 61059b70

drivers/gpio/gpio-mxc.c

+3 −6
Original line number Diff line number Diff line
@@ -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) {