[MIPS] use generic_handle_irq, handle_level_irq, handle_percpu_irq
Further incorporation of generic irq framework. Replacing __do_IRQ()
by proper flow handler would make the irq handling path a bit simpler
and faster.
* use generic_handle_irq() instead of __do_IRQ().
* use handle_level_irq for obvious level-type irq chips.
* use handle_percpu_irq for irqs marked as IRQ_PER_CPU.
* setup .eoi routine for irq chips possibly used with handle_percpu_irq.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mips-boards/atlas/atlas_int.c b/arch/mips/mips-boards/atlas/atlas_int.c
index 7c71004..43dba6c 100644
--- a/arch/mips/mips-boards/atlas/atlas_int.c
+++ b/arch/mips/mips-boards/atlas/atlas_int.c
@@ -74,6 +74,7 @@
.mask = disable_atlas_irq,
.mask_ack = disable_atlas_irq,
.unmask = enable_atlas_irq,
+ .eoi = enable_atlas_irq,
.end = end_atlas_irq,
};
@@ -207,7 +208,7 @@
atlas_hw0_icregs->intrsten = 0xffffffff;
for (i = ATLAS_INT_BASE; i <= ATLAS_INT_END; i++)
- set_irq_chip(i, &atlas_irq_type);
+ set_irq_chip_and_handler(i, &atlas_irq_type, handle_level_irq);
}
static struct irqaction atlasirq = {
diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c
index d817c60..e4604c7 100644
--- a/arch/mips/mips-boards/generic/time.c
+++ b/arch/mips/mips-boards/generic/time.c
@@ -288,6 +288,7 @@
The effect is that the int remains disabled on the second cpu.
Mark the interrupt with IRQ_PER_CPU to avoid any confusion */
irq_desc[mips_cpu_timer_irq].status |= IRQ_PER_CPU;
+ set_irq_handler(mips_cpu_timer_irq, handle_percpu_irq);
#endif
/* to generate the first timer interrupt */
diff --git a/arch/mips/mips-boards/sim/sim_time.c b/arch/mips/mips-boards/sim/sim_time.c
index 24a4ed0..f2d998d 100644
--- a/arch/mips/mips-boards/sim/sim_time.c
+++ b/arch/mips/mips-boards/sim/sim_time.c
@@ -203,7 +203,8 @@
on seperate cpu's the first one tries to handle the second interrupt.
The effect is that the int remains disabled on the second cpu.
Mark the interrupt with IRQ_PER_CPU to avoid any confusion */
- irq_desc[mips_cpu_timer_irq].status |= IRQ_PER_CPU;
+ irq_desc[mips_cpu_timer_irq].flags |= IRQ_PER_CPU;
+ set_irq_handler(mips_cpu_timer_irq, handle_percpu_irq);
#endif
/* to generate the first timer interrupt */