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authorSimon Glass <sjg@chromium.org>2016-01-22 02:44:50 (GMT)
committerSimon Glass <sjg@chromium.org>2016-01-22 03:42:36 (GMT)
commit66280e82f7fe90194236da39ab0e2f42869a8070 (patch)
tree252bf0e956a483d99da8bcc5a1b489004cfba306 /common/cmd_gpio.c
parent35a1f0dfa13510b29f9d320a999819eb2d9cb857 (diff)
downloadu-boot-fsl-qoriq-66280e82f7fe90194236da39ab0e2f42869a8070.tar.xz
gpio: Warn about invalid GPIOs used with the 'gpio' command
At present there is no indication that an invalid GPIO is used except that the GPIO status is not displayed. Make the error more explicit to avoid confusion. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common/cmd_gpio.c')
-rw-r--r--common/cmd_gpio.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/common/cmd_gpio.c b/common/cmd_gpio.c
index bb0f63a..2b78b16 100644
--- a/common/cmd_gpio.c
+++ b/common/cmd_gpio.c
@@ -174,8 +174,10 @@ static int do_gpio(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
* GPIO compatibility layer.
*/
ret = gpio_lookup_name(str_gpio, NULL, NULL, &gpio);
- if (ret)
+ if (ret) {
+ printf("GPIO: '%s' not found\n", str_gpio);
return cmd_process_error(cmdtp, ret);
+ }
#else
/* turn the gpio name into a gpio number */
gpio = name_to_gpio(str_gpio);