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Diffstat (limited to 'target/linux/mcs814x/files-3.18/arch/arm/mach-mcs814x/irq.c')
-rw-r--r--target/linux/mcs814x/files-3.18/arch/arm/mach-mcs814x/irq.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/target/linux/mcs814x/files-3.18/arch/arm/mach-mcs814x/irq.c b/target/linux/mcs814x/files-3.18/arch/arm/mach-mcs814x/irq.c
index f84c412839..d1cab682e4 100644
--- a/target/linux/mcs814x/files-3.18/arch/arm/mach-mcs814x/irq.c
+++ b/target/linux/mcs814x/files-3.18/arch/arm/mach-mcs814x/irq.c
@@ -17,6 +17,7 @@
#include <mach/mcs814x.h>
static void __iomem *mcs814x_intc_base;
+static struct irq_domain *domain;
static void __init mcs814x_alloc_gc(void __iomem *base, unsigned int irq_start,
unsigned int num)
@@ -24,11 +25,15 @@ static void __init mcs814x_alloc_gc(void __iomem *base, unsigned int irq_start,
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
- gc = irq_alloc_generic_chip("mcs814x-intc", 1,
- irq_start, base, handle_level_irq);
+ if (irq_alloc_domain_generic_chips(domain, num, 1, "mcs814x-intc", handle_level_irq,
+ IRQ_GC_INIT_MASK_CACHE, IRQ_NOREQUEST, 0))
+ panic("unable to allocate domain generic irq chip");
+
+ gc = irq_get_domain_generic_chip(domain, irq_start);
if (!gc)
- panic("unable to allocate generic irq chip");
+ panic("unable to get generic irq chip");
+ gc->reg_base = base;
ct = gc->chip_types;
ct->chip.irq_ack = irq_gc_unmask_enable_reg;
ct->chip.irq_mask = irq_gc_mask_clr_bit;
@@ -36,9 +41,6 @@ static void __init mcs814x_alloc_gc(void __iomem *base, unsigned int irq_start,
ct->regs.mask = MCS814X_IRQ_MASK;
ct->regs.enable = MCS814X_IRQ_ICR;
- irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE,
- IRQ_NOREQUEST, 0);
-
/* Clear all interrupts */
writel_relaxed(0xffffffff, base + MCS814X_IRQ_ICR);
}
@@ -58,7 +60,7 @@ asmlinkage void __exception_irq_entry mcs814x_handle_irq(struct pt_regs *regs)
/* clear the interrupt */
__raw_writel(status, mcs814x_intc_base + MCS814X_IRQ_STS0);
/* call the generic handler */
- handle_IRQ(irq, regs);
+ handle_domain_irq(domain, irq, regs);
} while (1);
}
@@ -80,7 +82,10 @@ void __init mcs814x_of_irq_init(void)
if (!mcs814x_intc_base)
panic("unable to map intc cpu registers\n");
- irq_domain_add_simple(np, 32, 0, &irq_generic_chip_ops, NULL);
+ domain = irq_domain_add_linear(np, 32, &irq_generic_chip_ops, NULL);
+ if (!domain)
+ panic("unable to add irq domain\n");
+ irq_set_default_host(domain);
of_node_put(np);