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| author | Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> | 2020-02-14 16:57:12 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-02-21 17:19:42 +0300 |
| commit | 3c827873590c3f49c76d540c1e646135a11e0b4e (patch) | |
| tree | fad7c443cae1b9a290c710358922872324f89a8e /drivers/pinctrl/pinctrl-ocelot.c | |
| parent | 8587b21c599e2874233cc5bbea7d0b18f4b62963 (diff) | |
| download | linux-3c827873590c3f49c76d540c1e646135a11e0b4e.tar.xz | |
pinctrl: Use new GPIO_LINE_DIRECTION
Use newly added GPIO defines GPIO_LINE_DIRECTION_IN and
GPIO_LINE_DIRECTION_OUT instead of using hard-coded 1 and 0.
Main benefit is to make it easier to see which values mean IN and which
OUT. As a side effect this helps GPIO framework to change the direction
defines to something else if ever needed.
Please note that return value from get_direction call on
pinctrl-axp209 driver was changed. Previously pinctrl-axp209 might have
returned value 2 for direction INPUT.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reported-by: kbuild test robot <lkp@intel.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Link: https://lore.kernel.org/r/20200214135712.GA14557@localhost.localdomain
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-ocelot.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-ocelot.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c index eb3dd0d46d6c..ed8eac6c1494 100644 --- a/drivers/pinctrl/pinctrl-ocelot.c +++ b/drivers/pinctrl/pinctrl-ocelot.c @@ -604,7 +604,10 @@ static int ocelot_gpio_get_direction(struct gpio_chip *chip, regmap_read(info->map, REG(OCELOT_GPIO_OE, info, offset), &val); - return !(val & BIT(offset % 32)); + if (val & BIT(offset % 32)) + return GPIO_LINE_DIRECTION_OUT; + + return GPIO_LINE_DIRECTION_IN; } static int ocelot_gpio_direction_input(struct gpio_chip *chip, |