ramips: adapted cevt-r4k irq patches

Fixes: #13251

Author: coolsnowwolf

target/linux/ramips/patches-5.10/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch

@@ -73,11 +73,28 @@ Signed-off-by: John Crispin <[email protected]>
  	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)
+@@ -303,6 +330,15 @@ int r4k_clockevent_init(void)
+ 	if (!c0_compare_int_usable())
+ 		return -ENXIO;
+ 
++#ifdef CONFIG_CEVT_SYSTICK_QUIRK
++	/*
++	 * With vectored interrupts things are getting platform specific.
++	 * get_c0_compare_int is a hook to allow a platform to return the
++	 * interrupt number of its liking.
++	 */
++	irq = get_c0_compare_int();
++#endif
++
+ 	cd = &per_cpu(mips_clockevent_device, cpu);
+ 
+ 	cd->name		= "MIPS";
+@@ -314,11 +350,17 @@ int r4k_clockevent_init(void)
+ 
  	cd->rating		= 300;
- 	cd->irq			= irq;
  	cd->cpumask		= cpumask_of(cpu);
 +#ifdef CONFIG_CEVT_SYSTICK_QUIRK
++	cd->irq			= irq;
 +	cd->set_state_shutdown	= mips_state_shutdown;
 +	cd->set_state_oneshot	= mips_state_oneshot;
 +#endif
@@ -90,7 +107,7 @@ Signed-off-by: John Crispin <[email protected]>
  	if (cp0_timer_irq_installed)
  		return 0;
 
-@@ -339,6 +371,7 @@ int r4k_clockevent_init(void)
+@@ -334,6 +376,7 @@ 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);

target/linux/ramips/patches-5.15/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch

@@ -73,11 +73,28 @@ Signed-off-by: John Crispin <[email protected]>
  	unsigned int cpu = smp_processor_id();
  	struct clock_event_device *cd;
  	unsigned int irq, min_delta;
-@@ -322,11 +349,16 @@ int r4k_clockevent_init(void)
+@@ -303,6 +330,15 @@ int r4k_clockevent_init(void)
+ 	if (!c0_compare_int_usable())
+ 		return -ENXIO;
+ 
++#ifdef CONFIG_CEVT_SYSTICK_QUIRK
++	/*
++	 * With vectored interrupts things are getting platform specific.
++	 * get_c0_compare_int is a hook to allow a platform to return the
++	 * interrupt number of its liking.
++	 */
++	irq = get_c0_compare_int();
++#endif
++
+ 	cd = &per_cpu(mips_clockevent_device, cpu);
+ 
+ 	cd->name		= "MIPS";
+@@ -314,11 +350,17 @@ int r4k_clockevent_init(void)
+ 
  	cd->rating		= 300;
- 	cd->irq			= irq;
  	cd->cpumask		= cpumask_of(cpu);
 +#ifdef CONFIG_CEVT_SYSTICK_QUIRK
++	cd->irq			= irq;
 +	cd->set_state_shutdown	= mips_state_shutdown;
 +	cd->set_state_oneshot	= mips_state_oneshot;
 +#endif
@@ -90,7 +107,7 @@ Signed-off-by: John Crispin <[email protected]>
  	if (cp0_timer_irq_installed)
  		return 0;
 
-@@ -335,6 +367,7 @@ int r4k_clockevent_init(void)
+@@ -334,6 +376,7 @@ 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);