diff options
| author | Grygorii Strashko <grygorii.strashko@linaro.org> | 2015-03-23 14:18:23 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-03-27 11:03:06 +0100 |
| commit | b2b2004550f4b18ed16929107f478005fadfdb5c (patch) | |
| tree | dd4fe5963c8b6ab7c11781183e96dd5a21f03f31 /drivers/gpio/gpio-omap.c | |
| parent | c4b40493de668a86856602a4cf19bf0d809e2681 (diff) | |
| download | lwn-b2b2004550f4b18ed16929107f478005fadfdb5c.tar.gz lwn-b2b2004550f4b18ed16929107f478005fadfdb5c.zip | |
gpio: omap: convert omap_gpio_is_input() to use gpio offset
Convert omap_gpio_is_input() to use GPIO offset instead of mask and,
in such way, make code simpler and remove few lines of code.
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Grygorii Strashko <grygorii.strashko@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-omap.c')
| -rw-r--r-- | drivers/gpio/gpio-omap.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 2b2fc4ba8c6d..ce7123928219 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -472,11 +472,11 @@ static void omap_disable_gpio_module(struct gpio_bank *bank, unsigned offset) } } -static int omap_gpio_is_input(struct gpio_bank *bank, int mask) +static int omap_gpio_is_input(struct gpio_bank *bank, unsigned offset) { void __iomem *reg = bank->base + bank->regs->direction; - return readl_relaxed(reg) & mask; + return readl_relaxed(reg) & BIT(offset); } static void omap_gpio_init_irq(struct gpio_bank *bank, unsigned gpio, @@ -519,7 +519,7 @@ static int omap_gpio_irq_type(struct irq_data *d, unsigned type) offset = GPIO_INDEX(bank, gpio); retval = omap_set_gpio_triggering(bank, offset, type); omap_gpio_init_irq(bank, gpio, offset); - if (!omap_gpio_is_input(bank, BIT(offset))) { + if (!omap_gpio_is_input(bank, offset)) { spin_unlock_irqrestore(&bank->lock, flags); return -EINVAL; } @@ -976,12 +976,10 @@ static int omap_gpio_input(struct gpio_chip *chip, unsigned offset) static int omap_gpio_get(struct gpio_chip *chip, unsigned offset) { struct gpio_bank *bank; - u32 mask; bank = container_of(chip, struct gpio_bank, chip); - mask = (BIT(offset)); - if (omap_gpio_is_input(bank, mask)) + if (omap_gpio_is_input(bank, offset)) return omap_get_gpio_datain(bank, offset); else return omap_get_gpio_dataout(bank, offset); |