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From b9afea3f5cf6c2da3b88f2902c4377e9c5b22a6d Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Fri, 3 May 2013 00:04:58 +0200
Subject: [PATCH 52/79] MIPS: use set_mode() to enable/disable the cevt-r4k
irq
Signed-off-by: John Crispin <blogic@openwrt.org>
---
arch/mips/kernel/cevt-r4k.c | 39 ++++++++++++++++++++++++++-------------
1 file changed, 26 insertions(+), 13 deletions(-)
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index 7532392..afc08e4 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -39,12 +39,6 @@ static int mips_next_event(unsigned long delta,
#endif /* CONFIG_MIPS_MT_SMTC */
-void mips_set_clock_mode(enum clock_event_mode mode,
- struct clock_event_device *evt)
-{
- /* Nothing to do ... */
-}
-
DEFINE_PER_CPU(struct clock_event_device, mips_clockevent_device);
int cp0_timer_irq_installed;
@@ -89,6 +83,32 @@ struct irqaction c0_compare_irqaction = {
.name = "timer",
};
+void mips_set_clock_mode(enum clock_event_mode mode,
+ struct clock_event_device *evt)
+{
+ switch (mode) {
+ case CLOCK_EVT_MODE_ONESHOT:
+ if (cp0_timer_irq_installed)
+ break;
+
+ cp0_timer_irq_installed = 1;
+
+ setup_irq(evt->irq, &c0_compare_irqaction);
+ break;
+
+ case CLOCK_EVT_MODE_SHUTDOWN:
+ if (!cp0_timer_irq_installed)
+ break;
+
+ cp0_timer_irq_installed = 0;
+ free_irq(evt->irq, &c0_compare_irqaction);
+ break;
+
+ default:
+ pr_err("Unhandeled mips clock_mode\n");
+ break;
+ }
+}
void mips_event_handler(struct clock_event_device *dev)
{
@@ -208,13 +228,6 @@ int __cpuinit r4k_clockevent_init(void)
clockevents_register_device(cd);
- if (cp0_timer_irq_installed)
- return 0;
-
- cp0_timer_irq_installed = 1;
-
- setup_irq(irq, &c0_compare_irqaction);
-
return 0;
}
--
1.7.10.4
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