[PATCH RESEND 5/6] MIPS: Install handlers for BMIPS software IRQs
From: Kevin Cernekee
Date: Thu Jan 06 2011 - 02:46:08 EST
BMIPS4350/4380/5000 CMT/SMT all use SW INT0/INT1 for inter-thread
signaling.
Signed-off-by: Kevin Cernekee <cernekee@xxxxxxxxx>
---
arch/mips/kernel/irq_cpu.c | 14 ++++++--------
1 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c
index 0262abe..70d4736 100644
--- a/arch/mips/kernel/irq_cpu.c
+++ b/arch/mips/kernel/irq_cpu.c
@@ -107,14 +107,12 @@ void __init mips_cpu_irq_init(void)
clear_c0_status(ST0_IM);
clear_c0_cause(CAUSEF_IP);
- /*
- * Only MT is using the software interrupts currently, so we just
- * leave them uninitialized for other processors.
- */
- if (cpu_has_mipsmt)
- for (i = irq_base; i < irq_base + 2; i++)
- set_irq_chip_and_handler(i, &mips_mt_cpu_irq_controller,
- handle_percpu_irq);
+ /* Software interrupts are used for MT/CMT IPI */
+ for (i = irq_base; i < irq_base + 2; i++)
+ set_irq_chip_and_handler(i, cpu_has_mipsmt ?
+ &mips_mt_cpu_irq_controller :
+ &mips_cpu_irq_controller,
+ handle_percpu_irq);
for (i = irq_base + 2; i < irq_base + 8; i++)
set_irq_chip_and_handler(i, &mips_cpu_irq_controller,
--
1.7.0.4
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