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authorTarun Kanti DebBarma <tarun.kanti@ti.com>2012-04-27 18:13:34 +0400
committerKevin Hilman <khilman@ti.com>2012-05-12 04:08:40 +0400
commit499fa2871d95049c12362c27075672e8af988eb6 (patch)
tree330bc3afb737a68937a6a87c1d604c9fd6564568 /drivers/gpio/gpio-omap.c
parent0aa2727399c0b78225021413022c164cb99fbc5e (diff)
downloadlinux-499fa2871d95049c12362c27075672e8af988eb6.tar.xz
gpio/omap: remove saved_wakeup field from struct gpio_bank
There is no more need to have saved_wakeup because bank->context.wake_en already holds that value. So getting rid of read/write operation associated with this field. Cc: Kevin Hilman <khilman@ti.com> Cc: Tony Lindgren <tony@atomide.com> Cc: Santosh Shilimkar <santosh.shilimkar@ti.com> Cc: Cousson, Benoit <b-cousson@ti.com> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Tested-by: Govindraj.R <govindraj.raja@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.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index c45bc16f0003..8b6f1b9510eb 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -57,7 +57,6 @@ struct gpio_bank {
u16 irq;
int irq_base;
struct irq_domain *domain;
- u32 saved_wakeup;
u32 non_wakeup_gpios;
u32 enabled_non_wakeup_gpios;
struct gpio_regs context;
@@ -786,7 +785,6 @@ static int omap_mpuio_suspend_noirq(struct device *dev)
unsigned long flags;
spin_lock_irqsave(&bank->lock, flags);
- bank->saved_wakeup = __raw_readl(mask_reg);
__raw_writel(0xffff & ~bank->context.wake_en, mask_reg);
spin_unlock_irqrestore(&bank->lock, flags);
@@ -802,7 +800,7 @@ static int omap_mpuio_resume_noirq(struct device *dev)
unsigned long flags;
spin_lock_irqsave(&bank->lock, flags);
- __raw_writel(bank->saved_wakeup, mask_reg);
+ __raw_writel(bank->context.wake_en, mask_reg);
spin_unlock_irqrestore(&bank->lock, flags);
return 0;
@@ -1155,7 +1153,6 @@ static int omap_gpio_suspend(struct device *dev)
struct platform_device *pdev = to_platform_device(dev);
struct gpio_bank *bank = platform_get_drvdata(pdev);
void __iomem *base = bank->base;
- void __iomem *wakeup_enable;
unsigned long flags;
if (!bank->mod_usage || !bank->loses_context)
@@ -1164,10 +1161,7 @@ static int omap_gpio_suspend(struct device *dev)
if (!bank->regs->wkup_en || !bank->context.wake_en)
return 0;
- wakeup_enable = bank->base + bank->regs->wkup_en;
-
spin_lock_irqsave(&bank->lock, flags);
- bank->saved_wakeup = __raw_readl(wakeup_enable);
_gpio_rmw(base, bank->regs->wkup_en, 0xffffffff, 0);
_gpio_rmw(base, bank->regs->wkup_en, bank->context.wake_en, 1);
spin_unlock_irqrestore(&bank->lock, flags);
@@ -1185,12 +1179,12 @@ static int omap_gpio_resume(struct device *dev)
if (!bank->mod_usage || !bank->loses_context)
return 0;
- if (!bank->regs->wkup_en || !bank->saved_wakeup)
+ if (!bank->regs->wkup_en || !bank->context.wake_en)
return 0;
spin_lock_irqsave(&bank->lock, flags);
_gpio_rmw(base, bank->regs->wkup_en, 0xffffffff, 0);
- _gpio_rmw(base, bank->regs->wkup_en, bank->saved_wakeup, 1);
+ _gpio_rmw(base, bank->regs->wkup_en, bank->context.wake_en, 1);
spin_unlock_irqrestore(&bank->lock, flags);
return 0;