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gpio/omap: remove hardcoded offsets in context save/restore

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It is not required to use hard-coded offsets any more in context save and
restore functions and instead use the generic offsets which have been correctly
initialized during device registration.

Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
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>
This commit is contained in:
Tarun Kanti DebBarma 2011-08-30 15:24:27 +05:30
parent 9ea14d8cbb
commit ae10f2336b
3 changed files with 23 additions and 22 deletions
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2
arch/arm/mach-omap2/gpio.c
View File

@ -84,6 +84,7 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
pdata->regs->irqstatus = OMAP24XX_GPIO_IRQSTATUS1;
pdata->regs->irqstatus2 = OMAP24XX_GPIO_IRQSTATUS2;
pdata->regs->irqenable = OMAP24XX_GPIO_IRQENABLE1;
pdata->regs->irqenable2 = OMAP24XX_GPIO_IRQENABLE2;
pdata->regs->set_irqenable = OMAP24XX_GPIO_SETIRQENABLE1;
pdata->regs->clr_irqenable = OMAP24XX_GPIO_CLEARIRQENABLE1;
pdata->regs->debounce = OMAP24XX_GPIO_DEBOUNCE_VAL;
@ -106,6 +107,7 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
pdata->regs->irqstatus = OMAP4_GPIO_IRQSTATUS0;
pdata->regs->irqstatus2 = OMAP4_GPIO_IRQSTATUS1;
pdata->regs->irqenable = OMAP4_GPIO_IRQSTATUSSET0;
pdata->regs->irqenable2 = OMAP4_GPIO_IRQSTATUSSET1;
pdata->regs->set_irqenable = OMAP4_GPIO_IRQSTATUSSET0;
pdata->regs->clr_irqenable = OMAP4_GPIO_IRQSTATUSCLR0;
pdata->regs->debounce = OMAP4_GPIO_DEBOUNCINGTIME;

1
arch/arm/plat-omap/include/plat/gpio.h
View File

@ -184,6 +184,7 @@ struct omap_gpio_reg_offs {
u16 irqstatus;
u16 irqstatus2;
u16 irqenable;
u16 irqenable2;
u16 set_irqenable;
u16 clr_irqenable;
u16 debounce;

42
drivers/gpio/gpio-omap.c
View File

@ -1369,45 +1369,43 @@ void omap2_gpio_resume_after_idle(void)
static void omap_gpio_save_context(struct gpio_bank *bank)
{
bank->context.irqenable1 =
__raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE1);
__raw_readl(bank->base + bank->regs->irqenable);
bank->context.irqenable2 =
__raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE2);
__raw_readl(bank->base + bank->regs->irqenable2);
bank->context.wake_en =
__raw_readl(bank->base + OMAP24XX_GPIO_WAKE_EN);
bank->context.ctrl = __raw_readl(bank->base + OMAP24XX_GPIO_CTRL);
bank->context.oe = __raw_readl(bank->base + OMAP24XX_GPIO_OE);
__raw_readl(bank->base + bank->regs->wkup_en);
bank->context.ctrl = __raw_readl(bank->base + bank->regs->ctrl);
bank->context.oe = __raw_readl(bank->base + bank->regs->direction);
bank->context.leveldetect0 =
__raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT0);
__raw_readl(bank->base + bank->regs->leveldetect0);
bank->context.leveldetect1 =
__raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT1);
__raw_readl(bank->base + bank->regs->leveldetect1);
bank->context.risingdetect =
__raw_readl(bank->base + OMAP24XX_GPIO_RISINGDETECT);
__raw_readl(bank->base + bank->regs->risingdetect);
bank->context.fallingdetect =
__raw_readl(bank->base + OMAP24XX_GPIO_FALLINGDETECT);
bank->context.dataout =
__raw_readl(bank->base + OMAP24XX_GPIO_DATAOUT);
__raw_readl(bank->base + bank->regs->fallingdetect);
bank->context.dataout = __raw_readl(bank->base + bank->regs->dataout);
}
static void omap_gpio_restore_context(struct gpio_bank *bank)
{
__raw_writel(bank->context.irqenable1,
bank->base + OMAP24XX_GPIO_IRQENABLE1);
bank->base + bank->regs->irqenable);
__raw_writel(bank->context.irqenable2,
bank->base + OMAP24XX_GPIO_IRQENABLE2);
bank->base + bank->regs->irqenable2);
__raw_writel(bank->context.wake_en,
bank->base + OMAP24XX_GPIO_WAKE_EN);
__raw_writel(bank->context.ctrl, bank->base + OMAP24XX_GPIO_CTRL);
__raw_writel(bank->context.oe, bank->base + OMAP24XX_GPIO_OE);
bank->base + bank->regs->wkup_en);
__raw_writel(bank->context.ctrl, bank->base + bank->regs->ctrl);
__raw_writel(bank->context.oe, bank->base + bank->regs->direction);
__raw_writel(bank->context.leveldetect0,
bank->base + OMAP24XX_GPIO_LEVELDETECT0);
bank->base + bank->regs->leveldetect0);
__raw_writel(bank->context.leveldetect1,
bank->base + OMAP24XX_GPIO_LEVELDETECT1);
bank->base + bank->regs->leveldetect1);
__raw_writel(bank->context.risingdetect,
bank->base + OMAP24XX_GPIO_RISINGDETECT);
bank->base + bank->regs->risingdetect);
__raw_writel(bank->context.fallingdetect,
bank->base + OMAP24XX_GPIO_FALLINGDETECT);
__raw_writel(bank->context.dataout,
bank->base + OMAP24XX_GPIO_DATAOUT);
bank->base + bank->regs->fallingdetect);
__raw_writel(bank->context.dataout, bank->base + bank->regs->dataout);
}
#endif