diff options
Diffstat (limited to 'arch/arm/plat-omap/gpio.c')
-rw-r--r-- | arch/arm/plat-omap/gpio.c | 101 |
1 files changed, 52 insertions, 49 deletions
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 1f98e0b9484..971d1863694 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -718,7 +718,7 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) case METHOD_GPIO_24XX: case METHOD_GPIO_44XX: set_24xx_gpio_triggering(bank, gpio, trigger); - break; + return 0; #endif default: goto bad; @@ -729,17 +729,17 @@ bad: return -EINVAL; } -static int gpio_irq_type(unsigned irq, unsigned type) +static int gpio_irq_type(struct irq_data *d, unsigned type) { struct gpio_bank *bank; unsigned gpio; int retval; unsigned long flags; - if (!cpu_class_is_omap2() && irq > IH_MPUIO_BASE) - gpio = OMAP_MPUIO(irq - IH_MPUIO_BASE); + if (!cpu_class_is_omap2() && d->irq > IH_MPUIO_BASE) + gpio = OMAP_MPUIO(d->irq - IH_MPUIO_BASE); else - gpio = irq - IH_GPIO_BASE; + gpio = d->irq - IH_GPIO_BASE; if (check_gpio(gpio) < 0) return -EINVAL; @@ -752,19 +752,21 @@ static int gpio_irq_type(unsigned irq, unsigned type) && (type & (IRQ_TYPE_LEVEL_LOW|IRQ_TYPE_LEVEL_HIGH))) return -EINVAL; - bank = get_irq_chip_data(irq); + bank = irq_data_get_irq_chip_data(d); spin_lock_irqsave(&bank->lock, flags); retval = _set_gpio_triggering(bank, get_gpio_index(gpio), type); if (retval == 0) { - irq_desc[irq].status &= ~IRQ_TYPE_SENSE_MASK; - irq_desc[irq].status |= type; + struct irq_desc *desc = irq_to_desc(d->irq); + + desc->status &= ~IRQ_TYPE_SENSE_MASK; + desc->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); + __set_irq_handler_unlocked(d->irq, handle_level_irq); else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) - __set_irq_handler_unlocked(irq, handle_edge_irq); + __set_irq_handler_unlocked(d->irq, handle_edge_irq); return retval; } @@ -1021,15 +1023,15 @@ static void _reset_gpio(struct gpio_bank *bank, int gpio) } /* Use disable_irq_wake() and enable_irq_wake() functions from drivers */ -static int gpio_wake_enable(unsigned int irq, unsigned int enable) +static int gpio_wake_enable(struct irq_data *d, unsigned int enable) { - unsigned int gpio = irq - IH_GPIO_BASE; + unsigned int gpio = d->irq - IH_GPIO_BASE; struct gpio_bank *bank; int retval; if (check_gpio(gpio) < 0) return -ENODEV; - bank = get_irq_chip_data(irq); + bank = irq_data_get_irq_chip_data(d); retval = _set_gpio_wakeup(bank, get_gpio_index(gpio), enable); return retval; @@ -1142,7 +1144,7 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) u32 retrigger = 0; int unmasked = 0; - desc->chip->ack(irq); + desc->irq_data.chip->irq_ack(&desc->irq_data); bank = get_irq_data(irq); #ifdef CONFIG_ARCH_OMAP1 @@ -1199,7 +1201,7 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) configured, we could unmask GPIO bank interrupt immediately */ if (!level_mask && !unmasked) { unmasked = 1; - desc->chip->unmask(irq); + desc->irq_data.chip->irq_unmask(&desc->irq_data); } isr |= retrigger; @@ -1235,41 +1237,40 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) interrupt */ exit: if (!unmasked) - desc->chip->unmask(irq); - + desc->irq_data.chip->irq_unmask(&desc->irq_data); } -static void gpio_irq_shutdown(unsigned int irq) +static void gpio_irq_shutdown(struct irq_data *d) { - unsigned int gpio = irq - IH_GPIO_BASE; - struct gpio_bank *bank = get_irq_chip_data(irq); + unsigned int gpio = d->irq - IH_GPIO_BASE; + struct gpio_bank *bank = irq_data_get_irq_chip_data(d); _reset_gpio(bank, gpio); } -static void gpio_ack_irq(unsigned int irq) +static void gpio_ack_irq(struct irq_data *d) { - unsigned int gpio = irq - IH_GPIO_BASE; - struct gpio_bank *bank = get_irq_chip_data(irq); + unsigned int gpio = d->irq - IH_GPIO_BASE; + struct gpio_bank *bank = irq_data_get_irq_chip_data(d); _clear_gpio_irqstatus(bank, gpio); } -static void gpio_mask_irq(unsigned int irq) +static void gpio_mask_irq(struct irq_data *d) { - unsigned int gpio = irq - IH_GPIO_BASE; - struct gpio_bank *bank = get_irq_chip_data(irq); + unsigned int gpio = d->irq - IH_GPIO_BASE; + struct gpio_bank *bank = irq_data_get_irq_chip_data(d); _set_gpio_irqenable(bank, gpio, 0); _set_gpio_triggering(bank, get_gpio_index(gpio), IRQ_TYPE_NONE); } -static void gpio_unmask_irq(unsigned int irq) +static void gpio_unmask_irq(struct irq_data *d) { - unsigned int gpio = irq - IH_GPIO_BASE; - struct gpio_bank *bank = get_irq_chip_data(irq); + unsigned int gpio = d->irq - IH_GPIO_BASE; + struct gpio_bank *bank = irq_data_get_irq_chip_data(d); unsigned int irq_mask = 1 << get_gpio_index(gpio); - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc = irq_to_desc(d->irq); u32 trigger = desc->status & IRQ_TYPE_SENSE_MASK; if (trigger) @@ -1287,12 +1288,12 @@ static void gpio_unmask_irq(unsigned int irq) static struct irq_chip gpio_irq_chip = { .name = "GPIO", - .shutdown = gpio_irq_shutdown, - .ack = gpio_ack_irq, - .mask = gpio_mask_irq, - .unmask = gpio_unmask_irq, - .set_type = gpio_irq_type, - .set_wake = gpio_wake_enable, + .irq_shutdown = gpio_irq_shutdown, + .irq_ack = gpio_ack_irq, + .irq_mask = gpio_mask_irq, + .irq_unmask = gpio_unmask_irq, + .irq_set_type = gpio_irq_type, + .irq_set_wake = gpio_wake_enable, }; /*---------------------------------------------------------------------*/ @@ -1301,36 +1302,36 @@ static struct irq_chip gpio_irq_chip = { /* MPUIO uses the always-on 32k clock */ -static void mpuio_ack_irq(unsigned int irq) +static void mpuio_ack_irq(struct irq_data *d) { /* The ISR is reset automatically, so do nothing here. */ } -static void mpuio_mask_irq(unsigned int irq) +static void mpuio_mask_irq(struct irq_data *d) { - unsigned int gpio = OMAP_MPUIO(irq - IH_MPUIO_BASE); - struct gpio_bank *bank = get_irq_chip_data(irq); + unsigned int gpio = OMAP_MPUIO(d->irq - IH_MPUIO_BASE); + struct gpio_bank *bank = irq_data_get_irq_chip_data(d); _set_gpio_irqenable(bank, gpio, 0); } -static void mpuio_unmask_irq(unsigned int irq) +static void mpuio_unmask_irq(struct irq_data *d) { - unsigned int gpio = OMAP_MPUIO(irq - IH_MPUIO_BASE); - struct gpio_bank *bank = get_irq_chip_data(irq); + unsigned int gpio = OMAP_MPUIO(d->irq - IH_MPUIO_BASE); + struct gpio_bank *bank = irq_data_get_irq_chip_data(d); _set_gpio_irqenable(bank, gpio, 1); } static struct irq_chip mpuio_irq_chip = { .name = "MPUIO", - .ack = mpuio_ack_irq, - .mask = mpuio_mask_irq, - .unmask = mpuio_unmask_irq, - .set_type = gpio_irq_type, + .irq_ack = mpuio_ack_irq, + .irq_mask = mpuio_mask_irq, + .irq_unmask = mpuio_unmask_irq, + .irq_set_type = gpio_irq_type, #ifdef CONFIG_ARCH_OMAP16XX /* REVISIT: assuming only 16xx supports MPUIO wake events */ - .set_wake = gpio_wake_enable, + .irq_set_wake = gpio_wake_enable, #endif }; @@ -1671,7 +1672,9 @@ static void __init omap_gpio_chip_init(struct gpio_bank *bank) for (j = bank->virtual_irq_start; j < bank->virtual_irq_start + bank_width; j++) { - lockdep_set_class(&irq_desc[j].lock, &gpio_lock_class); + struct irq_desc *d = irq_to_desc(j); + + lockdep_set_class(&d->lock, &gpio_lock_class); set_irq_chip_data(j, bank); if (bank_is_mpuio(bank)) set_irq_chip(j, &mpuio_irq_chip); |