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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-4.14 commit <02ff79e55ddc0aa>. (Merge "perf: don't zombie
certain events in perf_event_release_kernel").

Change-Id: I8d33455c9f482b5742023042e947f0af3d3c2335
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
[rananta@codeaurora.org: Altered the configuration option]
Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>
This commit is contained in:
Rishabh Bhatnagar 2018-07-01 16:37:12 -07:00 • committed by Raghavendra Rao Ananta
commit de3ae69c8a
3 changed files with 24 additions and 0 deletions
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10
drivers/irqchip/Kconfig
View file

@ -145,6 +145,16 @@ config DAVINCI_CP_INTC
select GENERIC_IRQ_CHIP
select IRQ_DOMAIN
config QCOM_SHOW_RESUME_IRQ
tristate "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
bool
select GENERIC_IRQ_CHIP

1
drivers/irqchip/Makefile
View file

@ -77,6 +77,7 @@ obj-$(CONFIG_ARCH_SA1100) += irq-sa11x0.o
obj-$(CONFIG_INGENIC_IRQ) += irq-ingenic.o
obj-$(CONFIG_INGENIC_TCU_IRQ) += irq-ingenic-tcu.o
obj-$(CONFIG_IMX_GPCV2) += irq-imx-gpcv2.o
obj-$(CONFIG_QCOM_SHOW_RESUME_IRQ) += msm_show_resume_irq.o
obj-$(CONFIG_PIC32_EVIC) += irq-pic32-evic.o
obj-$(CONFIG_MSCC_OCELOT_IRQ) += irq-mscc-ocelot.o
obj-$(CONFIG_MVEBU_GICP) += irq-mvebu-gicp.o

13
drivers/irqchip/msm_show_resume_irq.c Normal file
View file

@ -0,0 +1,13 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2011, 2014-2016, 2018, 2020, The Linux Foundation. All rights reserved.
*/
#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, 0664);