Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...

[pandora-kernel.git] / drivers / gpio / gpio-omap.c

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 5ad827a..35bebde 100644 (file)
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -469,8 +469,9 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
                                        + OMAP24XX_GPIO_CLEARWKUENA);
                }
        }
-       /* This part needs to be executed always for OMAP34xx */
-       if (cpu_is_omap34xx() || (bank->non_wakeup_gpios & gpio_bit)) {
+       /* This part needs to be executed always for OMAP{34xx, 44xx} */
+       if (cpu_is_omap34xx() || cpu_is_omap44xx() ||
+                       (bank->non_wakeup_gpios & gpio_bit)) {
                /*
                 * Log the edge gpio and manually trigger the IRQ
                 * after resume if the input level changes
@@ -1126,8 +1127,11 @@ static void gpio_irq_shutdown(struct irq_data *d)
 {
        unsigned int gpio = d->irq - IH_GPIO_BASE;
        struct gpio_bank *bank = irq_data_get_irq_chip_data(d);
+       unsigned long flags;
 
+       spin_lock_irqsave(&bank->lock, flags);
        _reset_gpio(bank, gpio);
+       spin_unlock_irqrestore(&bank->lock, flags);
 }
 
 static void gpio_ack_irq(struct irq_data *d)
@@ -1142,9 +1146,12 @@ static void gpio_mask_irq(struct irq_data *d)
 {
        unsigned int gpio = d->irq - IH_GPIO_BASE;
        struct gpio_bank *bank = irq_data_get_irq_chip_data(d);
+       unsigned long flags;
 
+       spin_lock_irqsave(&bank->lock, flags);
        _set_gpio_irqenable(bank, gpio, 0);
        _set_gpio_triggering(bank, get_gpio_index(gpio), IRQ_TYPE_NONE);
+       spin_unlock_irqrestore(&bank->lock, flags);
 }
 
 static void gpio_unmask_irq(struct irq_data *d)
@@ -1153,7 +1160,9 @@ static void gpio_unmask_irq(struct irq_data *d)
        struct gpio_bank *bank = irq_data_get_irq_chip_data(d);
        unsigned int irq_mask = 1 << get_gpio_index(gpio);
        u32 trigger = irqd_get_trigger_type(d);
+       unsigned long flags;
 
+       spin_lock_irqsave(&bank->lock, flags);
        if (trigger)
                _set_gpio_triggering(bank, get_gpio_index(gpio), trigger);
 
@@ -1165,6 +1174,7 @@ static void gpio_unmask_irq(struct irq_data *d)
        }
 
        _set_gpio_irqenable(bank, gpio, 1);
+       spin_unlock_irqrestore(&bank->lock, flags);
 }
 
 static struct irq_chip gpio_irq_chip = {