[v1,2/2] gpiolib: print an error name instead of a plain number in error string
diff mbox series

Message ID 20190824233724.1775-2-uwe@kleine-koenig.org
State Superseded
Headers show
  • [v1,1/2] vsprintf: introduce %dE for error constants
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Commit Message

Uwe Kleine-König Aug. 24, 2019, 11:37 p.m. UTC
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 <uwe@kleine-koenig.org>
 drivers/gpio/gpiolib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff mbox series

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);