diff options
Diffstat (limited to 'arch/microblaze/kernel/irq.c')
| -rw-r--r-- | arch/microblaze/kernel/irq.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c index bbebcae72c0..11e24de91aa 100644 --- a/arch/microblaze/kernel/irq.c +++ b/arch/microblaze/kernel/irq.c @@ -17,10 +17,8 @@ #include <linux/seq_file.h> #include <linux/kernel_stat.h> #include <linux/irq.h> +#include <linux/irqchip.h> #include <linux/of_irq.h> -#include <linux/export.h> - -#include <asm/prom.h> static u32 concurrent_irq; @@ -31,14 +29,13 @@ void __irq_entry do_IRQ(struct pt_regs *regs) trace_hardirqs_off(); irq_enter(); - irq = get_irq(regs); + irq = get_irq(); next_irq: BUG_ON(!irq); - /* Substract 1 because of get_irq */ - generic_handle_irq(irq + IRQ_OFFSET - NO_IRQ_OFFSET); + generic_handle_irq(irq); - irq = get_irq(regs); - if (irq) { + irq = get_irq(); + if (irq != -1U) { pr_debug("next irq: %d\n", irq); ++concurrent_irq; goto next_irq; @@ -49,17 +46,8 @@ next_irq: trace_hardirqs_on(); } -/* MS: There is no any advance mapping mechanism. We are using simple 32bit - intc without any cascades or any connection that's why mapping is 1:1 */ -unsigned int irq_create_mapping(struct irq_host *host, irq_hw_number_t hwirq) -{ - return hwirq + IRQ_OFFSET; -} -EXPORT_SYMBOL_GPL(irq_create_mapping); - -unsigned int irq_create_of_mapping(struct device_node *controller, - const u32 *intspec, unsigned int intsize) +void __init init_IRQ(void) { - return intspec[0] + IRQ_OFFSET; + /* process the entire interrupt tree in one go */ + irqchip_init(); } -EXPORT_SYMBOL_GPL(irq_create_of_mapping); |