There is no need to operate on all the banks every time the function is called.
Just operate on the current bank passed by the framework.
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@xxxxxx>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
---
drivers/gpio/gpio-omap.c | 53 +++++++++++++++++++++------------------------
1 files changed, 25 insertions(+), 28 deletions(-)
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index b5be8b8..6249b8f 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -1044,6 +1044,8 @@ static int __devinit omap_gpio_probe(struct platform_device *pdev)
goto err_free;
}
+ platform_set_drvdata(pdev, bank);
+
pm_runtime_enable(bank->dev);
pm_runtime_irq_safe(bank->dev);
pm_runtime_get_sync(bank->dev);
@@ -1071,44 +1073,39 @@ err_exit:
static int omap_gpio_suspend(struct device *dev)
{
- struct gpio_bank *bank;
-
- list_for_each_entry(bank, &omap_gpio_list, node) {
- void __iomem *base = bank->base;
- void __iomem *wake_status;
- unsigned long flags;
-
- if (!bank->regs->wkup_en)
- return 0;
+ struct platform_device *pdev = to_platform_device(dev);
+ struct gpio_bank *bank = platform_get_drvdata(pdev);
+ void __iomem *base = bank->base;
+ void __iomem *wake_status;
+ unsigned long flags;
- wake_status = bank->base + bank->regs->wkup_en;
+ if (!bank->regs->wkup_en || !bank->suspend_wakeup)
+ return 0;
- spin_lock_irqsave(&bank->lock, flags);
- bank->saved_wakeup = __raw_readl(wake_status);
- _gpio_rmw(base, bank->regs->wkup_en, bank->suspend_wakeup, 1);
- spin_unlock_irqrestore(&bank->lock, flags);
- pm_runtime_put_sync(dev);
- }
+ wake_status = bank->base + bank->regs->wkup_en;
+ spin_lock_irqsave(&bank->lock, flags);
+ bank->saved_wakeup = __raw_readl(wake_status);
+ _gpio_rmw(base, bank->regs->wkup_en, bank->suspend_wakeup, 1);
+ spin_unlock_irqrestore(&bank->lock, flags);
+ pm_runtime_put_sync(dev);
return 0;
}
static int omap_gpio_resume(struct device *dev)
{
- struct gpio_bank *bank;
-
- list_for_each_entry(bank, &omap_gpio_list, node) {
- void __iomem *base = bank->base;
- unsigned long flags;
+ struct platform_device *pdev = to_platform_device(dev);
+ struct gpio_bank *bank = platform_get_drvdata(pdev);
+ void __iomem *base = bank->base;
+ unsigned long flags;
- if (!bank->regs->wkup_en)
- return 0;
+ if (!bank->regs->wkup_en || !bank->saved_wakeup)
+ return 0;
- pm_runtime_get_sync(dev);
- spin_lock_irqsave(&bank->lock, flags);
- _gpio_rmw(base, bank->regs->wkup_en, bank->saved_wakeup, 1);
- spin_unlock_irqrestore(&bank->lock, flags);
- }
+ pm_runtime_get_sync(dev);
+ spin_lock_irqsave(&bank->lock, flags);
+ _gpio_rmw(base, bank->regs->wkup_en, bank->saved_wakeup, 1);
+ spin_unlock_irqrestore(&bank->lock, flags);
return 0;
}
--
1.7.0.4
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