A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-26 06:33:19 -04:00
Code Issues Projects Releases Packages Wiki Activity

Merge "irqchip: irq-gic-v3: Update printing wake up irq"

Browse source
This commit is contained in:
qctecmdr 2021-05-25 09:43:26 -07:00 • committed by Gerrit - the friendly Code Review server
commit 981e3b49f3
4 changed files with 50 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/irqchip/Kconfig
View file

@ -37,6 +37,7 @@ config ARM_GIC_V3
select IRQ_DOMAIN_HIERARCHY
select PARTITION_PERCPU
select GENERIC_IRQ_EFFECTIVE_AFF_MASK
select QGKI_SHOW_S2IDLE_WAKE_IRQ if QGKI
config ARM_GIC_V3_ITS
bool
@ -516,4 +517,11 @@ config SIFIVE_PLIC
If you don't know what to do here, say Y.
config QGKI_SHOW_S2IDLE_WAKE_IRQ
bool "Qualcomm Technologies, Inc. (QTI) SHOW S2IDLE WAKE IRQ"
depends on ARM_GIC_V3
help
When this option is selected, first cpu waking up from s2idle
prints the interrupts pending and enabled at GIC.
endmenu

13
drivers/irqchip/irq-gic-v3.c
View file

@ -18,6 +18,7 @@
#include <linux/percpu.h>
#include <linux/refcount.h>
#include <linux/slab.h>
#include <linux/suspend.h>
#include <linux/msm_rtb.h>
#include <linux/wakeup_reason.h>
@ -604,10 +605,15 @@ static void gic_show_resume_irq(struct gic_chip_data *gic)
struct irq_desc *desc = irq_to_desc(irq);
const char *name = "null";
if (i < 32)
continue;
if (desc == NULL)
name = "stray irq";
else if (desc->action && desc->action->name)
name = desc->action->name;
else if (desc->irq_data.chip && desc->irq_data.chip->name)
name = desc->irq_data.chip->name;
pr_warn("%s: irq:%d hwirq:%u triggered %s\n",
__func__, irq, i, name);
@ -1244,6 +1250,13 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
#define gic_smp_init() do { } while(0)
#endif
#ifdef CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ
void gic_s2idle_wake(void)
{
gic_resume_one(&gic_data);
}
#endif /* CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ */
#ifdef CONFIG_CPU_PM
static int gic_cpu_pm_notifier(struct notifier_block *self,
unsigned long cmd, void *v)

4
include/linux/irqchip/arm-gic-v3.h
View file

@ -638,6 +638,10 @@ static inline bool gic_enable_sre(void)
return !!(val & ICC_SRE_EL1_SRE);
}
#ifdef CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ
void gic_s2idle_wake(void);
#endif /* CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ */
#endif
#endif

25
kernel/sched/idle.c
View file

@ -8,6 +8,9 @@
*/
#include "sched.h"
#ifdef CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ
#include <linux/irqchip/arm-gic-v3.h>
#endif /* CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ */
#include <trace/events/power.h>
/* Linker adds these: start and end of __cpuidle functions */
@ -128,6 +131,11 @@ static int call_cpuidle(struct cpuidle_driver *drv, struct cpuidle_device *dev,
* set, and it returns with polling set. If it ever stops polling, it
* must clear the polling bit.
*/
#ifdef CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ
static cpumask_t cpu_state;
#endif /* CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ */
static void cpuidle_idle_call(void)
{
struct cpuidle_device *dev = cpuidle_get_device();
@ -169,9 +177,26 @@ static void cpuidle_idle_call(void)
if (idle_should_enter_s2idle() || dev->use_deepest_state) {
if (idle_should_enter_s2idle()) {
#ifdef CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ
bool print_wake_irq;
cpumask_set_cpu(dev->cpu, &cpu_state);
#endif /* CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ */
rcu_idle_enter();
entered_state = cpuidle_enter_s2idle(drv, dev);
#ifdef CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ
print_wake_irq = cpumask_weight(&cpu_state) ==
cpumask_weight(cpu_online_mask) ?
true : false;
cpumask_clear_cpu(dev->cpu, &cpu_state);
if (print_wake_irq)
gic_s2idle_wake();
#endif /* CONFIG_QGKI_SHOW_S2IDLE_WAKE_IRQ */
if (entered_state > 0) {
local_irq_enable();
goto exit_idle;