aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ramips/patches-5.10/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/ramips/patches-5.10/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch')
-rw-r--r--target/linux/ramips/patches-5.10/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch32
1 files changed, 25 insertions, 7 deletions
diff --git a/target/linux/ramips/patches-5.10/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch b/target/linux/ramips/patches-5.10/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch
index 773c74f4e9..a0b81bc6c5 100644
--- a/target/linux/ramips/patches-5.10/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch
+++ b/target/linux/ramips/patches-5.10/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch
@@ -31,15 +31,19 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
bool
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
-@@ -15,6 +15,26 @@
+@@ -16,6 +16,31 @@
#include <asm/time.h>
#include <asm/cevt-r4k.h>
++#ifdef CONFIG_CEVT_SYSTICK_QUIRK
+static int mips_state_oneshot(struct clock_event_device *evt)
+{
++ unsigned long flags = IRQF_PERCPU | IRQF_TIMER | IRQF_SHARED;
+ if (!cp0_timer_irq_installed) {
+ cp0_timer_irq_installed = 1;
-+ setup_irq(evt->irq, &c0_compare_irqaction);
++ if (request_irq(evt->irq, c0_compare_interrupt, flags, "timer",
++ c0_compare_interrupt))
++ pr_err("Failed to request irq %d (timer)\n", evt->irq);
+ }
+
+ return 0;
@@ -49,21 +53,34 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+{
+ if (cp0_timer_irq_installed) {
+ cp0_timer_irq_installed = 0;
-+ remove_irq(evt->irq, &c0_compare_irqaction);
++ free_irq(evt->irq, NULL);
+ }
+
+ return 0;
+}
++#endif
+
static int mips_next_event(unsigned long delta,
struct clock_event_device *evt)
{
-@@ -281,17 +301,21 @@ int r4k_clockevent_init(void)
+@@ -296,7 +321,9 @@ core_initcall(r4k_register_cpufreq_notif
+
+ int r4k_clockevent_init(void)
+ {
++#ifndef CONFIG_CEVT_SYSTICK_QUIRK
+ unsigned long flags = IRQF_PERCPU | IRQF_TIMER | IRQF_SHARED;
++#endif
+ unsigned int cpu = smp_processor_id();
+ struct clock_event_device *cd;
+ unsigned int irq, min_delta;
+@@ -326,11 +353,16 @@ int r4k_clockevent_init(void)
cd->rating = 300;
cd->irq = irq;
cd->cpumask = cpumask_of(cpu);
++#ifdef CONFIG_CEVT_SYSTICK_QUIRK
+ cd->set_state_shutdown = mips_state_shutdown;
+ cd->set_state_oneshot = mips_state_oneshot;
++#endif
cd->set_next_event = mips_next_event;
cd->event_handler = mips_event_handler;
@@ -73,9 +90,10 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
if (cp0_timer_irq_installed)
return 0;
- cp0_timer_irq_installed = 1;
-
- setup_irq(irq, &c0_compare_irqaction);
+@@ -339,6 +371,7 @@ int r4k_clockevent_init(void)
+ if (request_irq(irq, c0_compare_interrupt, flags, "timer",
+ c0_compare_interrupt))
+ pr_err("Failed to request irq %d (timer)\n", irq);
+#endif
return 0;