[1/8] gpio: omap: convert omap_gpio_is_input() to use gpio offset
diff mbox

Message ID 1426785944-17255-2-git-send-email-grygorii.strashko@linaro.org
State New
Headers show

Commit Message

grygorii.strashko@linaro.org March 19, 2015, 5:25 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.

Signed-off-by: Grygorii Strashko <grygorii.strashko@linaro.org>
---
 drivers/gpio/gpio-omap.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

Comments

Santosh Shilimkar March 20, 2015, 4:42 p.m. UTC | #1
On 3/19/15 10:25 AM, 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.
>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@linaro.org>
> ---

Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
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Javier Martinez Canillas March 20, 2015, 6:37 p.m. UTC | #2
On Fri, Mar 20, 2015 at 5:42 PM, santosh.shilimkar@oracle.com
<santosh.shilimkar@oracle.com> wrote:
> On 3/19/15 10:25 AM, 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.
>>
>> Signed-off-by: Grygorii Strashko <grygorii.strashko@linaro.org>
>> ---
>
>
> Acked-by: Santosh Shilimkar <ssantosh@kernel.org>

Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
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Patch
diff mbox

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);