[PATCH v1 3/3] gpiolib: Move error message out of a spinlock
From: Andy Shevchenko
Date: Wed Mar 30 2022 - 10:59:06 EST
An error path is a slow path, no need to block other CPUs
when printing error messages.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/gpio/gpiolib.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index f956c533f218..062d127d9a0d 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -289,7 +289,6 @@ static int gpiodev_add_to_list(struct gpio_device *gdev)
}
}
- dev_err(&gdev->dev, "GPIO integer space overlap, cannot add chip\n");
return -EBUSY;
}
@@ -724,6 +723,7 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
ret = gpiodev_add_to_list(gdev);
if (ret) {
spin_unlock_irqrestore(&gpio_lock, flags);
+ chip_err(gc, "GPIO integer space overlap, cannot add chip\n");
goto err_free_label;
}
--
2.35.1