From de3ae69c8ac4097a90f475cc8021680ecf4122dc Mon Sep 17 00:00:00 2001 From: Rishabh Bhatnagar Date: Sun, 1 Jul 2018 16:37:12 -0700 Subject: [PATCH] irqchip: add snapshot of msm_show_resume_irq 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 [rananta@codeaurora.org: Altered the configuration option] Signed-off-by: Raghavendra Rao Ananta --- drivers/irqchip/Kconfig | 10 ++++++++++ drivers/irqchip/Makefile | 1 + drivers/irqchip/msm_show_resume_irq.c | 13 +++++++++++++ 3 files changed, 24 insertions(+) create mode 100644 drivers/irqchip/msm_show_resume_irq.c diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index ccbb8973a324..8f2293c8af41 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -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 diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index cc7c43932f16..c0c84a6be011 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -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 diff --git a/drivers/irqchip/msm_show_resume_irq.c b/drivers/irqchip/msm_show_resume_irq.c new file mode 100644 index 000000000000..4815feecd194 --- /dev/null +++ b/drivers/irqchip/msm_show_resume_irq.c @@ -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 +#include +#include + +int msm_show_resume_irq_mask; + +module_param_named( + debug_mask, msm_show_resume_irq_mask, int, 0664);