gpio: sysfs: Obey valid_mask
authorMatti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Mon, 29 Mar 2021 11:41:12 +0000 (14:41 +0300)
committerBartosz Golaszewski <bgolaszewski@baylibre.com>
Wed, 31 Mar 2021 18:32:38 +0000 (20:32 +0200)
commit23cf00ddd2e1aacf1873e43f5e0c519c120daf7a
treefb80388d9afee339a82ae0bec0230f724a046a36
parent6cb59afe9e5b45a035bd6b97da6593743feefc72
gpio: sysfs: Obey valid_mask

Do not allow exporting GPIOs which are set invalid
by the driver's valid mask.

Fixes: 726cb3ba4969 ("gpiolib: Support 'gpio-reserved-ranges' property")
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
drivers/gpio/gpiolib-sysfs.c