Messages in this thread Patch in this message | | | From | Uwe Kleine-König <> | Subject | [PATCH v1 2/2] gpiolib: print an error name instead of a plain number in error string | Date | Sun, 25 Aug 2019 01:37:24 +0200 |
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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 --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
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