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Commit e8d87f1c authored by Kyle Yan's avatar Kyle Yan Committed by Rishabh Bhatnagar
Browse files

PM / wakeup: Add msm_show_resume_irq_mask to print off wakeup irq 



Utilitize the msm_show_resume_irq_mask to print off the actual wakeup irq
in order to help debug.

Change-Id: I0e9e4225d1274bb20e1ed682059432a8161a5a71
Signed-off-by: default avatarKyle Yan <kyan@codeaurora.org>
Signed-off-by: default avatarRishabh Bhatnagar <rishabhb@codeaurora.org>
parent 657b1f68

drivers/base/power/power.h

+2 −0
Original line number Diff line number Diff line
@@ -98,6 +98,8 @@ extern int pm_async_enabled; 
/* drivers/base/power/main.c */

extern struct list_head dpm_list;	/* The active device list */



extern int msm_show_resume_irq_mask;



static inline struct device *to_device(struct list_head *entry)

{

	return container_of(entry, struct device, power.entry);

drivers/base/power/wakeup.c

+17 −0
Original line number Diff line number Diff line
@@ -16,6 +16,9 @@ 
#include <linux/debugfs.h>

#include <linux/pm_wakeirq.h>

#include <trace/events/power.h>

#include <linux/irq.h>

#include <linux/interrupt.h>

#include <linux/irqdesc.h>



#include "power.h"
@@ -881,7 +884,21 @@ void pm_wakeup_clear(bool reset) 


void pm_system_irq_wakeup(unsigned int irq_number)

{

	struct irq_desc *desc;

	const char *name = "null";



	if (pm_wakeup_irq == 0) {

		if (msm_show_resume_irq_mask) {

			desc = irq_to_desc(irq_number);

			if (desc == NULL)

				name = "stray irq";

			else if (desc->action && desc->action->name)

				name = desc->action->name;



			pr_warn("%s: %d triggered %s\n", __func__,

					irq_number, name);



		}

		pm_wakeup_irq = irq_number;

		pm_system_wakeup();

	}