gpio/omap: make gpio_context part of gpio_bank structure

Currently gpio_context array used to save gpio bank's context, is used only for
OMAP3 architecture. Move gpio_context as part of gpio_bank structure so that it
can be specific to each gpio bank and can be used for any OMAP architecture

Signed-off-by: Charulatha V <charu@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 07efa15c35492237a3a9c99dd28bbb3d49d01a7a..6788c8a2a77018592be77dd1fc97a4b618ae98b5 100644 (file)
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -30,6 +30,19 @@
 
 static LIST_HEAD(omap_gpio_list);
 
+struct gpio_regs {
+       u32 irqenable1;
+       u32 irqenable2;
+       u32 wake_en;
+       u32 ctrl;
+       u32 oe;
+       u32 leveldetect0;
+       u32 leveldetect1;
+       u32 risingdetect;
+       u32 fallingdetect;
+       u32 dataout;
+};
+
 struct gpio_bank {
        struct list_head node;
        unsigned long pbase;
@@ -43,7 +56,7 @@ struct gpio_bank {
 #endif
        u32 non_wakeup_gpios;
        u32 enabled_non_wakeup_gpios;
-
+       struct gpio_regs context;
        u32 saved_datain;
        u32 saved_fallingdetect;
        u32 saved_risingdetect;
@@ -66,23 +79,6 @@ struct gpio_bank {
        struct omap_gpio_reg_offs *regs;
 };
 
-#ifdef CONFIG_ARCH_OMAP3
-struct omap3_gpio_regs {
-       u32 irqenable1;
-       u32 irqenable2;
-       u32 wake_en;
-       u32 ctrl;
-       u32 oe;
-       u32 leveldetect0;
-       u32 leveldetect1;
-       u32 risingdetect;
-       u32 fallingdetect;
-       u32 dataout;
-};
-
-static struct omap3_gpio_regs gpio_context[OMAP34XX_NR_GPIOS];
-#endif
-
 #define GPIO_INDEX(bank, gpio) (gpio % bank->width)
 #define GPIO_BIT(bank, gpio) (1 << GPIO_INDEX(bank, gpio))
 
@@ -1499,33 +1495,31 @@ void omap2_gpio_resume_after_idle(void)
 void omap_gpio_save_context(void)
 {
        struct gpio_bank *bank;
-       int i = 0;
 
        list_for_each_entry(bank, &omap_gpio_list, node) {
-               i++;
 
                if (!bank->loses_context)
                        continue;
 
-               gpio_context[i].irqenable1 =
+               bank->context.irqenable1 =
                        __raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE1);
-               gpio_context[i].irqenable2 =
+               bank->context.irqenable2 =
                        __raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE2);
-               gpio_context[i].wake_en =
+               bank->context.wake_en =
                        __raw_readl(bank->base + OMAP24XX_GPIO_WAKE_EN);
-               gpio_context[i].ctrl =
+               bank->context.ctrl =
                        __raw_readl(bank->base + OMAP24XX_GPIO_CTRL);
-               gpio_context[i].oe =
+               bank->context.oe =
                        __raw_readl(bank->base + OMAP24XX_GPIO_OE);
-               gpio_context[i].leveldetect0 =
+               bank->context.leveldetect0 =
                        __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT0);
-               gpio_context[i].leveldetect1 =
+               bank->context.leveldetect1 =
                        __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT1);
-               gpio_context[i].risingdetect =
+               bank->context.risingdetect =
                        __raw_readl(bank->base + OMAP24XX_GPIO_RISINGDETECT);
-               gpio_context[i].fallingdetect =
+               bank->context.fallingdetect =
                        __raw_readl(bank->base + OMAP24XX_GPIO_FALLINGDETECT);
-               gpio_context[i].dataout =
+               bank->context.dataout =
                        __raw_readl(bank->base + OMAP24XX_GPIO_DATAOUT);
        }
 }
@@ -1533,33 +1527,31 @@ void omap_gpio_save_context(void)
 void omap_gpio_restore_context(void)
 {
        struct gpio_bank *bank;
-       int i = 0;
 
        list_for_each_entry(bank, &omap_gpio_list, node) {
-               i++;
 
                if (!bank->loses_context)
                        continue;
 
-               __raw_writel(gpio_context[i].irqenable1,
+               __raw_writel(bank->context.irqenable1,
                                bank->base + OMAP24XX_GPIO_IRQENABLE1);
-               __raw_writel(gpio_context[i].irqenable2,
+               __raw_writel(bank->context.irqenable2,
                                bank->base + OMAP24XX_GPIO_IRQENABLE2);
-               __raw_writel(gpio_context[i].wake_en,
+               __raw_writel(bank->context.wake_en,
                                bank->base + OMAP24XX_GPIO_WAKE_EN);
-               __raw_writel(gpio_context[i].ctrl,
+               __raw_writel(bank->context.ctrl,
                                bank->base + OMAP24XX_GPIO_CTRL);
-               __raw_writel(gpio_context[i].oe,
+               __raw_writel(bank->context.oe,
                                bank->base + OMAP24XX_GPIO_OE);
-               __raw_writel(gpio_context[i].leveldetect0,
+               __raw_writel(bank->context.leveldetect0,
                                bank->base + OMAP24XX_GPIO_LEVELDETECT0);
-               __raw_writel(gpio_context[i].leveldetect1,
+               __raw_writel(bank->context.leveldetect1,
                                bank->base + OMAP24XX_GPIO_LEVELDETECT1);
-               __raw_writel(gpio_context[i].risingdetect,
+               __raw_writel(bank->context.risingdetect,
                                bank->base + OMAP24XX_GPIO_RISINGDETECT);
-               __raw_writel(gpio_context[i].fallingdetect,
+               __raw_writel(bank->context.fallingdetect,
                                bank->base + OMAP24XX_GPIO_FALLINGDETECT);
-               __raw_writel(gpio_context[i].dataout,
+               __raw_writel(bank->context.dataout,
                                bank->base + OMAP24XX_GPIO_DATAOUT);
        }
 }