diff mbox

[v2,1/8] gpio: omap: convert omap_gpio_is_input() to use gpio offset

Message ID 1427113110-20813-2-git-send-email-grygorii.strashko@linaro.org
State New
Headers show

Commit Message

grygorii.strashko@linaro.org March 23, 2015, 12:18 p.m. UTC 
From: Grygorii Strashko <grygorii.strashko@linaro.org>

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>
---
 drivers/gpio/gpio-omap.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

Comments

Linus Walleij March 27, 2015, 10:03 a.m. UTC | #1 
On Mon, Mar 23, 2015 at 1:18 PM,  <grygorii.strashko@linaro.org> wrote:

> From: Grygorii Strashko <grygorii.strashko@linaro.org>
>
> 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>

Patch applied.

Yours,
Linus Walleij
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diff mbox

Patch

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 2b2fc4b..ce71239 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);