diff options
| 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/mediatek | |
| 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/mediatek')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 5 | ||||
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-paris.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c index 67f8444f7a0c..a02ad10ec6fa 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -804,7 +804,10 @@ static int mtk_gpio_get_direction(struct gpio_chip *chip, unsigned offset) pctl->devdata->spec_dir_set(®_addr, offset); regmap_read(pctl->regmap1, reg_addr, &read_val); - return !(read_val & bit); + if (read_val & bit) + return GPIO_LINE_DIRECTION_OUT; + + return GPIO_LINE_DIRECTION_IN; } static int mtk_gpio_get(struct gpio_chip *chip, unsigned offset) diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c index 83bf29c7ce7e..2e2ee4dba13c 100644 --- a/drivers/pinctrl/mediatek/pinctrl-paris.c +++ b/drivers/pinctrl/mediatek/pinctrl-paris.c @@ -775,7 +775,10 @@ static int mtk_gpio_get_direction(struct gpio_chip *chip, unsigned int gpio) if (err) return err; - return !value; + if (value) + return GPIO_LINE_DIRECTION_OUT; + + return GPIO_LINE_DIRECTION_IN; } static int mtk_gpio_get(struct gpio_chip *chip, unsigned int gpio) |