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authorRussell King <rmk+kernel@armlinux.org.uk>2020-02-25 17:14:03 +0000
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2021-09-19 19:53:00 +0100
commita660b695fa232c2a8b0f53437efd48a48352da74 (patch)
tree745746a963146a8fe9b5188e4b4ca5fb1532d943
parenta6c063b2e7386818f69d1c0e0f2d11f3be48a866 (diff)
gpio: mvebu: honour EPROBE_DEFER for devm_clk_get()
Honour deferred probing for devm_clk_get() so that we can get the clock for PWM. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
-rw-r--r--drivers/gpio/gpio-mvebu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 8f429d9f3661..713331839590 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -1164,6 +1164,9 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
}
mvchip->clk = devm_clk_get(&pdev->dev, NULL);
+ if (mvchip->clk == ERR_PTR(-EPROBE_DEFER))
+ return -EPROBE_DEFER;
+
/* Not all SoCs require a clock.*/
if (!IS_ERR(mvchip->clk))
clk_prepare_enable(mvchip->clk);