diff options
Diffstat (limited to 'arch/arm/mach-s5pv310/irq-combiner.c')
| -rw-r--r-- | arch/arm/mach-s5pv310/irq-combiner.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/arch/arm/mach-s5pv310/irq-combiner.c b/arch/arm/mach-s5pv310/irq-combiner.c index c3f88c3faf6c..1ea4a9e83bbe 100644 --- a/arch/arm/mach-s5pv310/irq-combiner.c +++ b/arch/arm/mach-s5pv310/irq-combiner.c @@ -24,29 +24,32 @@ static DEFINE_SPINLOCK(irq_controller_lock); struct combiner_chip_data { unsigned int irq_offset; + unsigned int irq_mask; void __iomem *base; }; static struct combiner_chip_data combiner_data[MAX_COMBINER_NR]; -static inline void __iomem *combiner_base(unsigned int irq) +static inline void __iomem *combiner_base(struct irq_data *data) { - struct combiner_chip_data *combiner_data = get_irq_chip_data(irq); + struct combiner_chip_data *combiner_data = + irq_data_get_irq_chip_data(data); + return combiner_data->base; } -static void combiner_mask_irq(unsigned int irq) +static void combiner_mask_irq(struct irq_data *data) { - u32 mask = 1 << (irq % 32); + u32 mask = 1 << (data->irq % 32); - __raw_writel(mask, combiner_base(irq) + COMBINER_ENABLE_CLEAR); + __raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_CLEAR); } -static void combiner_unmask_irq(unsigned int irq) +static void combiner_unmask_irq(struct irq_data *data) { - u32 mask = 1 << (irq % 32); + u32 mask = 1 << (data->irq % 32); - __raw_writel(mask, combiner_base(irq) + COMBINER_ENABLE_SET); + __raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_SET); } static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) @@ -57,11 +60,12 @@ static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) unsigned long status; /* primary controller ack'ing */ - chip->ack(irq); + chip->irq_ack(&desc->irq_data); spin_lock(&irq_controller_lock); status = __raw_readl(chip_data->base + COMBINER_INT_STATUS); spin_unlock(&irq_controller_lock); + status &= chip_data->irq_mask; if (status == 0) goto out; @@ -76,13 +80,13 @@ static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) out: /* primary controller unmasking */ - chip->unmask(irq); + chip->irq_unmask(&desc->irq_data); } static struct irq_chip combiner_chip = { .name = "COMBINER", - .mask = combiner_mask_irq, - .unmask = combiner_unmask_irq, + .irq_mask = combiner_mask_irq, + .irq_unmask = combiner_unmask_irq, }; void __init combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq) @@ -104,10 +108,12 @@ void __init combiner_init(unsigned int combiner_nr, void __iomem *base, combiner_data[combiner_nr].base = base; combiner_data[combiner_nr].irq_offset = irq_start; + combiner_data[combiner_nr].irq_mask = 0xff << ((combiner_nr % 4) << 3); /* Disable all interrupts */ - __raw_writel(0xffffffff, base + COMBINER_ENABLE_CLEAR); + __raw_writel(combiner_data[combiner_nr].irq_mask, + base + COMBINER_ENABLE_CLEAR); /* Setup the Linux IRQ subsystem */ |