diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/plat-omap/gpio.c | 42 |
1 files changed, 7 insertions, 35 deletions
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 4f104e4f6c0..1903a3491ee 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -542,10 +542,6 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio, bank->level_mask = __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT0) | __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT1); - /* - * FIXME: Possibly do 'set_irq_handler(j, handle_level_irq)' if only - * level triggering requested. - */ } #endif @@ -656,6 +652,12 @@ static int gpio_irq_type(unsigned irq, unsigned type) irq_desc[irq].status |= type; } spin_unlock_irqrestore(&bank->lock, flags); + + if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) + __set_irq_handler_unlocked(irq, handle_level_irq); + else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) + __set_irq_handler_unlocked(irq, handle_edge_irq); + return retval; } @@ -1050,42 +1052,12 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) gpio_irq = bank->virtual_irq_start; for (; isr != 0; isr >>= 1, gpio_irq++) { struct irq_desc *d; - int irq_mask; + if (!(isr & 1)) continue; d = irq_desc + gpio_irq; - /* Don't run the handler if it's already running - * or was disabled lazely. - */ - if (unlikely((d->depth || - (d->status & IRQ_INPROGRESS)))) { - irq_mask = 1 << - (gpio_irq - bank->virtual_irq_start); - /* The unmasking will be done by - * enable_irq in case it is disabled or - * after returning from the handler if - * it's already running. - */ - _enable_gpio_irqbank(bank, irq_mask, 0); - if (!d->depth) { - /* Level triggered interrupts - * won't ever be reentered - */ - BUG_ON(level_mask & irq_mask); - d->status |= IRQ_PENDING; - } - continue; - } desc_handle_irq(gpio_irq, d); - - if (unlikely((d->status & IRQ_PENDING) && !d->depth)) { - irq_mask = 1 << - (gpio_irq - bank->virtual_irq_start); - d->status &= ~IRQ_PENDING; - _enable_gpio_irqbank(bank, irq_mask, 1); - retrigger |= irq_mask; - } } } /* if bank has any level sensitive GPIO pin interrupt |