[PATCH v2 5/5] gpiolib: Move error message out of a spinlock

From: Andy Shevchenko
Date: Fri Apr 08 2022 - 14:19:55 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>
---
v2: no changes
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 f537597838bb..6af9cd4566fb 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -288,7 +288,6 @@ static int gpiodev_add_to_list(struct gpio_device *gdev)
}
}

- dev_err(&gdev->dev, "GPIO integer space overlap, cannot add chip\n");
return -EBUSY;
}

@@ -722,6 +721,7 @@ 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