From: Anson Huang <Anson.Huang@nxp.com>
Date: Thu, 1 Aug 2019 16:44:39 +0800
Subject: gpio: mxc: Use devm_clk_get_optional instead of devm_clk_get
Git-commit: 7beb620f805dcb6757b5e7870bebd75e3e9b37e0
Patch-mainline: v5.4-rc1
References: jsc#SLE-16106
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>
Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
drivers/gpio/gpio-mxc.c | 9 +++------
1 file 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) {