This one is missed in commit 42fed7ba "pinctrl: move subsystem mutex to
pinctrl_dev struct".
Signed-off-by: Axel Lin <axel....@ingics.com>
---
drivers/pinctrl/core.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 53c40d9..92f86ab 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -562,11 +562,15 @@ int pinctrl_request_gpio(unsigned gpio)
return ret;
}
+ mutex_lock(&pctldev->mutex);
+
/* Convert to the pin controllers number space */
pin = gpio_to_pin(range, gpio);
ret = pinmux_request_gpio(pctldev, range, pin, gpio);
+ mutex_unlock(&pctldev->mutex);
+
return ret;
}
EXPORT_SYMBOL_GPL(pinctrl_request_gpio);
--
1.8.1.2
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