gpio/omap: use pinctrl offset instead of macro

Use regs->pinctrl field instead of using the macro OMAP1510_GPIO_PIN_CONTROL
Signed-off-by: Charulatha V <charu@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>

arch/arm/mach-omap1/gpio15xx.c

@@ -85,6 +85,7 @@ static struct omap_gpio_reg_offs omap15xx_gpio_regs = {
 	.irqenable	= OMAP1510_GPIO_INT_MASK,
 	.irqenable_inv	= true,
 	.irqctrl	= OMAP1510_GPIO_INT_CONTROL,
+	.pinctrl	= OMAP1510_GPIO_PIN_CONTROL,
 };
 
 static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = {

arch/arm/plat-omap/include/plat/gpio.h

@@ -198,6 +198,7 @@ struct omap_gpio_reg_offs {
 	u16 irqctrl;
 	u16 edgectrl1;
 	u16 edgectrl2;
+	u16 pinctrl;
 
 	bool irqenable_inv;
 };

drivers/gpio/gpio-omap.c

@@ -490,15 +490,13 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset)
 	 */
 	_set_gpio_triggering(bank, offset, IRQ_TYPE_NONE);
 
-#ifdef CONFIG_ARCH_OMAP15XX
-	if (bank->method == METHOD_GPIO_1510) {
-		void __iomem *reg;
+	if (bank->regs->pinctrl) {
+		void __iomem *reg = bank->base + bank->regs->pinctrl;
 
 		/* Claim the pin for MPU */
-		reg = bank->base + OMAP1510_GPIO_PIN_CONTROL;
 		__raw_writel(__raw_readl(reg) | (1 << offset), reg);
 	}
-#endif
+
 	if (bank->regs->ctrl && !bank->mod_usage) {
 		void __iomem *reg = bank->base + bank->regs->ctrl;
 		u32 ctrl;