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Diffstat (limited to 'arch/arm/mach-s5pv310/irq-combiner.c')
-rw-r--r--arch/arm/mach-s5pv310/irq-combiner.c32
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 c3f88c3faf6..1ea4a9e83bb 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 */