Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3be51f70e1f5e11a723d28b3dde26bc3aacdbc71
Commit: 3be51f70e1f5e11a723d28b3dde26bc3aacdbc71
Parent: 651194f82066ba3688630b5a0d79d13d26a7ccbb
Author: Thomas Bogendoerfer <[EMAIL PROTECTED]>
AuthorDate: Fri Nov 2 11:17:13 2007 +0100
Committer: Ralf Baechle <[EMAIL PROTECTED]>
CommitDate: Fri Nov 2 16:13:49 2007 +0000
[MIPS] Jazz: disable PIT; cleanup R4030 clockevent
Fix ISA irq acknowledge.
Make r4030 clockevent code look like other mips clockevent code.
Signed-off-by: Thomas Bogendoerfer <[EMAIL PROTECTED]>
Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>
---
arch/mips/jazz/irq.c | 27 ++++++++++++++++-----------
1 files changed, 16 insertions(+), 11 deletions(-)
diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c
index ae25b48..d7f8a78 100644
--- a/arch/mips/jazz/irq.c
+++ b/arch/mips/jazz/irq.c
@@ -97,9 +97,10 @@ asmlinkage void plat_irq_dispatch(void)
if (pending & IE_IRQ4) {
r4030_read_reg32(JAZZ_TIMER_REGISTER);
do_IRQ(JAZZ_TIMER_IRQ);
- } else if (pending & IE_IRQ2)
- do_IRQ(r4030_read_reg32(JAZZ_EISA_IRQ_ACK));
- else if (pending & IE_IRQ1) {
+ } else if (pending & IE_IRQ2) {
+ irq = *(volatile u8 *)JAZZ_EISA_IRQ_ACK;
+ do_IRQ(irq);
+ } else if (pending & IE_IRQ1) {
irq = *(volatile u8 *)JAZZ_IO_IRQ_SOURCE >> 2;
if (likely(irq > 0))
do_IRQ(irq + JAZZ_IRQ_START - 1);
@@ -117,16 +118,16 @@ static void r4030_set_mode(enum clock_event_mode mode,
struct clock_event_device r4030_clockevent = {
.name = "r4030",
.features = CLOCK_EVT_FEAT_PERIODIC,
- .rating = 100,
+ .rating = 300,
.irq = JAZZ_TIMER_IRQ,
- .cpumask = CPU_MASK_CPU0,
.set_mode = r4030_set_mode,
};
static irqreturn_t r4030_timer_interrupt(int irq, void *dev_id)
{
- r4030_clockevent.event_handler(&r4030_clockevent);
+ struct clock_event_device *cd = dev_id;
+ cd->event_handler(cd);
return IRQ_HANDLED;
}
@@ -134,15 +135,22 @@ static struct irqaction r4030_timer_irqaction = {
.handler = r4030_timer_interrupt,
.flags = IRQF_DISABLED,
.mask = CPU_MASK_CPU0,
- .name = "timer",
+ .name = "R4030 timer",
};
void __init plat_time_init(void)
{
- struct irqaction *irq = &r4030_timer_irqaction;
+ struct clock_event_device *cd = &r4030_clockevent;
+ struct irqaction *action = &r4030_timer_irqaction;
+ unsigned int cpu = smp_processor_id();
BUG_ON(HZ != 100);
+ cd->cpumask = cpumask_of_cpu(cpu);
+ clockevents_register_device(cd);
+ action->dev_id = cd;
+ setup_irq(JAZZ_TIMER_IRQ, action);
+
/*
* Set clock to 100Hz.
*
@@ -150,8 +158,5 @@ void __init plat_time_init(void)
* a programmable 4-bit divider. This makes it fairly inflexible.
*/
r4030_write_reg32(JAZZ_TIMER_INTERVAL, 9);
- setup_irq(JAZZ_TIMER_IRQ, irq);
-
- clockevents_register_device(&r4030_clockevent);
setup_pit_timer();
}
-
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