diff options
| author | Patrice Chotard <patrice.chotard@st.com> | 2013-06-20 18:05:44 +0400 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-06-24 15:33:21 +0400 |
| commit | 8b5abd18e28d0eaadf62e2d51eac053cdab9045a (patch) | |
| tree | 12eea843ecb80d05086d634e8c074e2ec1a440dc /drivers/pinctrl | |
| parent | d8d4f7f875bb8f94c52583a788e456eabbd6281a (diff) | |
| download | linux-8b5abd18e28d0eaadf62e2d51eac053cdab9045a.tar.xz | |
pinctrl: abx500: factorize code
Factorize code by adding abx500_pullud_supported()
which improve code readability.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-abx500.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/drivers/pinctrl/pinctrl-abx500.c b/drivers/pinctrl/pinctrl-abx500.c index d9d7ffc35c3e..c3f2b4baeed2 100644 --- a/drivers/pinctrl/pinctrl-abx500.c +++ b/drivers/pinctrl/pinctrl-abx500.c @@ -267,12 +267,21 @@ out: return ret; } +static bool abx500_pullud_supported(struct gpio_chip *chip, unsigned gpio) +{ + struct abx500_pinctrl *pct = to_abx500_pinctrl(chip); + struct pullud *pullud = pct->soc->pullud; + + return (pullud && + gpio >= pullud->first_pin && + gpio <= pullud->last_pin); +} + static int abx500_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int val) { struct abx500_pinctrl *pct = to_abx500_pinctrl(chip); - struct pullud *pullud = pct->soc->pullud; unsigned gpio; int ret; @@ -288,7 +297,7 @@ static int abx500_gpio_direction_output(struct gpio_chip *chip, /* if supported, disable both pull down and pull up */ gpio = offset + 1; - if (pullud && gpio >= pullud->first_pin && gpio <= pullud->last_pin) { + if (abx500_pullud_supported(chip, gpio)) { ret = abx500_set_pull_updown(pct, gpio, ABX500_GPIO_PULL_NONE); @@ -514,7 +523,6 @@ static void abx500_gpio_dbg_show_one(struct seq_file *s, unsigned offset, unsigned gpio) { struct abx500_pinctrl *pct = pinctrl_dev_get_drvdata(pctldev); - struct pullud *pullud = pct->soc->pullud; const char *label = gpiochip_is_requested(chip, offset - 1); u8 gpio_offset = offset - 1; int mode = -1; @@ -543,9 +551,7 @@ static void abx500_gpio_dbg_show_one(struct seq_file *s, is_out ? "out" : "in "); if (!is_out) { - if (pullud && - (offset >= pullud->first_pin) && - (offset <= pullud->last_pin)) { + if (abx500_pullud_supported(chip, offset)) { abx500_get_pull_updown(pct, offset, &pud); seq_printf(s, " %-9s", pull_up_down[pud]); } else { @@ -974,7 +980,6 @@ static int abx500_pin_config_set(struct pinctrl_dev *pctldev, unsigned long config) { struct abx500_pinctrl *pct = pinctrl_dev_get_drvdata(pctldev); - struct pullud *pullud = pct->soc->pullud; struct gpio_chip *chip = &pct->chip; unsigned offset; int ret = -EINVAL; @@ -999,9 +1004,7 @@ static int abx500_pin_config_set(struct pinctrl_dev *pctldev, * both features. If the pin is not within that range, we * fall back to the old bit set that only support pull down. */ - if (pullud && - pin >= pullud->first_pin && - pin <= pullud->last_pin) + if (abx500_pullud_supported(chip, pin)) ret = abx500_set_pull_updown(pct, pin, ABX500_GPIO_PULL_NONE); @@ -1022,9 +1025,7 @@ static int abx500_pin_config_set(struct pinctrl_dev *pctldev, * both features. If the pin is not within that range, we * fall back to the old bit set that only support pull down. */ - if (pullud && - pin >= pullud->first_pin && - pin <= pullud->last_pin) + if (abx500_pullud_supported(chip, pin)) ret = abx500_set_pull_updown(pct, pin, argument ? ABX500_GPIO_PULL_DOWN : ABX500_GPIO_PULL_NONE); @@ -1048,13 +1049,10 @@ static int abx500_pin_config_set(struct pinctrl_dev *pctldev, * both features. If the pin is not within that range, do * nothing */ - if (pullud && - pin >= pullud->first_pin && - pin <= pullud->last_pin) { + if (abx500_pullud_supported(chip, pin)) ret = abx500_set_pull_updown(pct, pin, argument ? ABX500_GPIO_PULL_UP : ABX500_GPIO_PULL_NONE); - } break; case PIN_CONFIG_OUTPUT: |