83 lines
1.9 KiB
Diff
83 lines
1.9 KiB
Diff
|
From ce3d4a4111a5f7e6b4e74bceae5faa6ce388e8ec Mon Sep 17 00:00:00 2001
|
||
|
|
From: John Crispin <blogic@openwrt.org>
|
||
|
|
Date: Sun, 14 Jul 2013 23:08:11 +0200
|
||
|
|
Subject: [PATCH 05/53] MIPS: use set_mode() to enable/disable the cevt-r4k
|
||
|
|
irq
|
||
|
|
|
||
|
|
Signed-off-by: John Crispin <blogic@openwrt.org>
|
||
|
|
---
|
||
|
|
arch/mips/ralink/Kconfig | 5 +++++
|
||
|
|
1 file changed, 5 insertions(+)
|
||
|
|
|
||
|
|
--- a/arch/mips/ralink/Kconfig
|
||
|
|
+++ b/arch/mips/ralink/Kconfig
|
||
|
|
@@ -1,12 +1,17 @@
|
||
|
|
# SPDX-License-Identifier: GPL-2.0
|
||
|
|
if RALINK
|
||
|
|
|
||
|
|
+config CEVT_SYSTICK_QUIRK
|
||
|
|
+ bool
|
||
|
|
+ default n
|
||
|
|
+
|
||
|
|
config CLKEVT_RT3352
|
||
|
|
bool
|
||
|
|
depends on SOC_RT305X || SOC_MT7620
|
||
|
|
default y
|
||
|
|
select TIMER_OF
|
||
|
|
select CLKSRC_MMIO
|
||
|
|
+ select CEVT_SYSTICK_QUIRK
|
||
|
|
|
||
|
|
config RALINK_ILL_ACC
|
||
|
|
bool
|
||
|
|
--- a/arch/mips/kernel/cevt-r4k.c
|
||
|
|
+++ b/arch/mips/kernel/cevt-r4k.c
|
||
|
|
@@ -15,6 +15,26 @@
|
||
|
|
#include <asm/time.h>
|
||
|
|
#include <asm/cevt-r4k.h>
|
||
|
|
|
||
|
|
+static int mips_state_oneshot(struct clock_event_device *evt)
|
||
|
|
+{
|
||
|
|
+ if (!cp0_timer_irq_installed) {
|
||
|
|
+ cp0_timer_irq_installed = 1;
|
||
|
|
+ setup_irq(evt->irq, &c0_compare_irqaction);
|
||
|
|
+ }
|
||
|
|
+
|
||
|
|
+ return 0;
|
||
|
|
+}
|
||
|
|
+
|
||
|
|
+static int mips_state_shutdown(struct clock_event_device *evt)
|
||
|
|
+{
|
||
|
|
+ if (cp0_timer_irq_installed) {
|
||
|
|
+ cp0_timer_irq_installed = 0;
|
||
|
|
+ remove_irq(evt->irq, &c0_compare_irqaction);
|
||
|
|
+ }
|
||
|
|
+
|
||
|
|
+ return 0;
|
||
|
|
+}
|
||
|
|
+
|
||
|
|
static int mips_next_event(unsigned long delta,
|
||
|
|
struct clock_event_device *evt)
|
||
|
|
{
|
||
|
|
@@ -281,17 +301,21 @@ int r4k_clockevent_init(void)
|
||
|
|
cd->rating = 300;
|
||
|
|
cd->irq = irq;
|
||
|
|
cd->cpumask = cpumask_of(cpu);
|
||
|
|
+ cd->set_state_shutdown = mips_state_shutdown;
|
||
|
|
+ cd->set_state_oneshot = mips_state_oneshot;
|
||
|
|
cd->set_next_event = mips_next_event;
|
||
|
|
cd->event_handler = mips_event_handler;
|
||
|
|
|
||
|
|
clockevents_config_and_register(cd, mips_hpt_frequency, min_delta, 0x7fffffff);
|
||
|
|
|
||
|
|
+#ifndef CONFIG_CEVT_SYSTICK_QUIRK
|
||
|
|
if (cp0_timer_irq_installed)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
cp0_timer_irq_installed = 1;
|
||
|
|
|
||
|
|
setup_irq(irq, &c0_compare_irqaction);
|
||
|
|
+#endif
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|