luck/tmp_suning_uos_patched
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arm: nomadik: Use local irq state

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Store the enabled mask in the local state, so there is no need to
fiddle in the irq descriptor.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2011-03-24 12:38:50 +01:00
parent e0fc5b3226
commit d1118f68b6
1 changed files with 10 additions and 6 deletions
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16
arch/arm/plat-nomadik/gpio.c
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@ -54,6 +54,7 @@ struct nmk_gpio_chip {
u32 rwimsc;
u32 fwimsc;
u32 slpm;
u32 enabled;
};
static struct nmk_gpio_chip *
@ -557,6 +558,11 @@ static int nmk_gpio_irq_maskunmask(struct irq_data *d, bool enable)
if (!nmk_chip)
return -EINVAL;
if (enable)
nmk_chip->enabled |= bitmask;
else
nmk_chip->enabled &= ~bitmask;
spin_lock_irqsave(&nmk_gpio_slpm_lock, flags);
spin_lock(&nmk_chip->lock);
@ -583,8 +589,6 @@ static void nmk_gpio_irq_unmask(struct irq_data *d)
static int nmk_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
{
struct irq_desc *desc = irq_to_desc(d->irq);
bool enabled = !(desc->status & IRQ_DISABLED);
struct nmk_gpio_chip *nmk_chip;
unsigned long flags;
u32 bitmask;
@ -599,7 +603,7 @@ static int nmk_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
spin_lock_irqsave(&nmk_gpio_slpm_lock, flags);
spin_lock(&nmk_chip->lock);
if (!enabled)
if (!(nmk_chip->enabled & bitmask))
__nmk_gpio_set_wake(nmk_chip, gpio, on);
if (on)
@ -615,9 +619,7 @@ static int nmk_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
static int nmk_gpio_irq_set_type(struct irq_data *d, unsigned int type)
{
struct irq_desc *desc = irq_to_desc(d->irq);
bool enabled = !(desc->status & IRQ_DISABLED);
bool wake = desc->wake_depth;
bool enabled, wake = irqd_is_wakeup_set(d);
int gpio;
struct nmk_gpio_chip *nmk_chip;
unsigned long flags;
@ -634,6 +636,8 @@ static int nmk_gpio_irq_set_type(struct irq_data *d, unsigned int type)
if (type & IRQ_TYPE_LEVEL_LOW)
return -EINVAL;
enabled = nmk_chip->enabled & bitmask;
spin_lock_irqsave(&nmk_chip->lock, flags);
if (enabled)