diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib-of.c | 21 | ||||
| -rw-r--r-- | drivers/gpio/gpiolib.c | 11 |
2 files changed, 11 insertions, 21 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index b696e4598a24..1b3f217a35e2 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -132,27 +132,6 @@ static void of_gpio_flags_quirks(struct device_node *np, int index) { /* - * Handle MMC "cd-inverted" and "wp-inverted" semantics. - */ - if (IS_ENABLED(CONFIG_MMC)) { - /* - * Active low is the default according to the - * SDHCI specification and the device tree - * bindings. However the code in the current - * kernel was written such that the phandle - * flags were always respected, and "cd-inverted" - * would invert the flag from the device phandle. - */ - if (!strcmp(propname, "cd-gpios")) { - if (of_property_read_bool(np, "cd-inverted")) - *flags ^= OF_GPIO_ACTIVE_LOW; - } - if (!strcmp(propname, "wp-gpios")) { - if (of_property_read_bool(np, "wp-inverted")) - *flags ^= OF_GPIO_ACTIVE_LOW; - } - } - /* * Some GPIO fixed regulator quirks. * Note that active low is the default. */ diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 78a16e42f222..bcfbfded9ba3 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -3371,6 +3371,17 @@ int gpiod_is_active_low(const struct gpio_desc *desc) } EXPORT_SYMBOL_GPL(gpiod_is_active_low); +/** + * gpiod_toggle_active_low - toggle whether a GPIO is active-low or not + * @desc: the gpio descriptor to change + */ +void gpiod_toggle_active_low(struct gpio_desc *desc) +{ + VALIDATE_DESC_VOID(desc); + change_bit(FLAG_ACTIVE_LOW, &desc->flags); +} +EXPORT_SYMBOL_GPL(gpiod_toggle_active_low); + /* I/O calls are only valid after configuration completed; the relevant * "is this a valid GPIO" error checks should already have been done. * |