diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-03-24 12:38:50 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-03-29 14:47:54 +0200 |
| commit | d1118f68b66ef6e0f36c9887c504462f2ec02d0d (patch) | |
| tree | fdac7cebc6f26d954c50740f1f15ac627d3b517f /arch/arm/plat-nomadik | |
| parent | e0fc5b3226cc5668afc8a1277f79a271ec5ffcb5 (diff) | |
| download | kernel_samsung_smdk4412-d1118f68b66ef6e0f36c9887c504462f2ec02d0d.zip kernel_samsung_smdk4412-d1118f68b66ef6e0f36c9887c504462f2ec02d0d.tar.gz kernel_samsung_smdk4412-d1118f68b66ef6e0f36c9887c504462f2ec02d0d.tar.bz2 | |
arm: nomadik: Use local irq state
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>
Diffstat (limited to 'arch/arm/plat-nomadik')
| -rw-r--r-- | arch/arm/plat-nomadik/gpio.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/arm/plat-nomadik/gpio.c b/arch/arm/plat-nomadik/gpio.c index 6436ba5..1b402a8 100644 --- a/arch/arm/plat-nomadik/gpio.c +++ b/arch/arm/plat-nomadik/gpio.c @@ -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) |