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>
master
Simon Glass 9 years ago
parent 35a1f0dfa1
commit 66280e82f7
  1. 4
      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);

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