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irqchip: add snapshot of msm_show_resume_irq

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This is a snapshot of drivers/irqchip/msm_show_resume_irq.c as of
msm-3.18 commit <e17a72ad7344065> ("Merge "ARM: dts: mdm: Adjust
memory region peripheral1_mem for MDM9640"").

CRs-Fixed: 1033023
Change-Id: Ia928cf5e23eebc7a0f80638f4be81beec7ed2878
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
Signed-off-by: Kyle Yan <kyan@codeaurora.org>
This commit is contained in:
Abhimanyu Kapur 2015-03-30 11:54:54 -07:00 • committed by Kyle Yan
parent 149dce7c6c
commit 4689ca86b6
3 changed files with 34 additions and 1 deletions
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11
drivers/irqchip/Kconfig
View file

@ -7,6 +7,7 @@ config ARM_GIC
select IRQ_DOMAIN select IRQ_DOMAIN
select IRQ_DOMAIN_HIERARCHY select IRQ_DOMAIN_HIERARCHY
select MULTI_IRQ_HANDLER select MULTI_IRQ_HANDLER
select QCOM_SHOW_RESUME_IRQ
config ARM_GIC_V2M config ARM_GIC_V2M
bool bool
@ -99,6 +100,16 @@ config BRCMSTB_L2_IRQ
select GENERIC_IRQ_CHIP select GENERIC_IRQ_CHIP
select IRQ_DOMAIN select IRQ_DOMAIN
config QCOM_SHOW_RESUME_IRQ
bool "Enable logging of interrupts that could have caused resume"
depends on ARM_GIC
default n
help
This option logs wake up interrupts that have triggered just before
the resume loop unrolls. It helps to debug to know any unnecessary
wake up interrupts that causes system to come out of low power modes.
Say Y if you want to debug why the system resumed.
config DW_APB_ICTL config DW_APB_ICTL
bool bool
select GENERIC_IRQ_CHIP select GENERIC_IRQ_CHIP

2
drivers/irqchip/Makefile
View file

@ -55,4 +55,4 @@ obj-$(CONFIG_RENESAS_H8S_INTC) += irq-renesas-h8s.o
obj-$(CONFIG_ARCH_SA1100) += irq-sa11x0.o obj-$(CONFIG_ARCH_SA1100) += irq-sa11x0.o
obj-$(CONFIG_INGENIC_IRQ) += irq-ingenic.o obj-$(CONFIG_INGENIC_IRQ) += irq-ingenic.o
obj-$(CONFIG_IMX_GPCV2) += irq-imx-gpcv2.o obj-$(CONFIG_IMX_GPCV2) += irq-imx-gpcv2.o
obj-$(CONFIG_MSM_SHOW_RESUME_IRQ) += msm_show_resume_irq.o obj-$(CONFIG_QCOM_SHOW_RESUME_IRQ) += msm_show_resume_irq.o

22
drivers/irqchip/msm_show_resume_irq.c Normal file
View file

@ -0,0 +1,22 @@
/* Copyright (c) 2011, 2014-2016 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
int msm_show_resume_irq_mask;
module_param_named(
debug_mask, msm_show_resume_irq_mask, int, S_IRUGO | S_IWUSR | S_IWGRP
);