[PATCH v1 2/2] gpiolib: print an error name instead of a plain number in error string

[Uwe Kleine-König]

This is an example that makes use of the just introduced printk format
%dE that prints (e.g.) "EIO" when the matching integer is -EIO (or EIO).

Signed-off-by: Uwe Kleine-König <u...@kleine-koenig.org>
---
 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 f497003f119c..b50ea24f087f 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1247,7 +1247,7 @@ static void gpiochip_setup_devs(void)
        list_for_each_entry(gdev, &gpio_devices, list) {
                err = gpiochip_setup_dev(gdev);
                if (err)
-                       pr_err("%s: Failed to initialize gpio device (%d)\n",
+                       pr_err("%s: Failed to initialize gpio device (%dE)\n",
                               dev_name(&gdev->dev), err);
        }
 }
-- 
2.20.1