diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2011-03-24 12:47:04 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-03-29 14:47:56 +0200 |
| commit | 5093aec872e5be7a55d8dd2b639e8a3818dc19db (patch) | |
| tree | 13fa9ff0778bfd5463c79fa3a81239afb81dc374 /arch/arm/mach-davinci | |
| parent | arm: ep93xx: Use proper irq accessor functions (diff) | |
| download | linux-dev-5093aec872e5be7a55d8dd2b639e8a3818dc19db.tar.xz linux-dev-5093aec872e5be7a55d8dd2b639e8a3818dc19db.zip | |
arm: davinci: Cleanup irq chip code
Make use of the new functionality which ensures that irq_set_type is
called with the chip masked. Unmask is only done when the interrupt is
not disabled.
Retrieve the trigger type from irq_data in unmask
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/mach-davinci')
| -rw-r--r-- | arch/arm/mach-davinci/gpio.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c index 20d66e5e4663..f33d4380e367 100644 --- a/arch/arm/mach-davinci/gpio.c +++ b/arch/arm/mach-davinci/gpio.c @@ -218,7 +218,7 @@ static void gpio_irq_enable(struct irq_data *d) { struct davinci_gpio_regs __iomem *g = irq2regs(d->irq); u32 mask = (u32) irq_data_get_irq_data(d); - unsigned status = irq_desc[d->irq].status; + unsigned status = irqd_get_trigger_type(d); status &= IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING; if (!status) @@ -238,16 +238,6 @@ static int gpio_irq_type(struct irq_data *d, unsigned trigger) if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) return -EINVAL; - irq_desc[d->irq].status &= ~IRQ_TYPE_SENSE_MASK; - irq_desc[d->irq].status |= trigger; - - /* don't enable the IRQ if it's currently disabled */ - if (irq_desc[d->irq].depth == 0) { - __raw_writel(mask, (trigger & IRQ_TYPE_EDGE_FALLING) - ? &g->set_falling : &g->clr_falling); - __raw_writel(mask, (trigger & IRQ_TYPE_EDGE_RISING) - ? &g->set_rising : &g->clr_rising); - } return 0; } @@ -256,6 +246,7 @@ static struct irq_chip gpio_irqchip = { .irq_enable = gpio_irq_enable, .irq_disable = gpio_irq_disable, .irq_set_type = gpio_irq_type, + .flags = IRQCHIP_SET_TYPE_MASKED, }; static void @@ -395,7 +386,7 @@ static int __init davinci_gpio_irq_setup(void) /* AINTC handles mask/unmask; GPIO handles triggering */ irq = bank_irq; - gpio_irqchip_unbanked = *get_irq_desc_chip(irq_to_desc(irq)); + gpio_irqchip_unbanked = *irq_get_chip(irq); gpio_irqchip_unbanked.name = "GPIO-AINTC"; gpio_irqchip_unbanked.irq_set_type = gpio_irq_type_unbanked; @@ -409,7 +400,7 @@ static int __init davinci_gpio_irq_setup(void) set_irq_chip(irq, &gpio_irqchip_unbanked); set_irq_data(irq, (void *) __gpio_mask(gpio)); set_irq_chip_data(irq, (__force void *) g); - irq_desc[irq].status |= IRQ_TYPE_EDGE_BOTH; + irq_set_status_flags(irq, IRQ_TYPE_EDGE_BOTH); } goto done; |