diff options
author | Charulatha V <charu@ti.com> | 2011-04-18 17:06:51 +0200 |
---|---|---|
committer | Tarun Kanti DebBarma <tarun.kanti@ti.com> | 2012-02-06 09:43:40 +0100 |
commit | 6d62e216b2ccbb8176dca73b6899b12a417bb22d (patch) | |
tree | f52895f475b0be9684056fb8bee75bd273f847ac /drivers/gpio/gpio-omap.c | |
parent | gpio/omap: use flag to identify wakeup domain (diff) | |
download | linux-6d62e216b2ccbb8176dca73b6899b12a417bb22d.tar.xz linux-6d62e216b2ccbb8176dca73b6899b12a417bb22d.zip |
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>
Diffstat (limited to 'drivers/gpio/gpio-omap.c')
-rw-r--r-- | drivers/gpio/gpio-omap.c | 76 |
1 files changed, 34 insertions, 42 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 07efa15c3549..6788c8a2a770 100644 --- 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); } } |