From 4689ca86b64f73075e9ab6cc23d01a931d9a71c0 Mon Sep 17 00:00:00 2001 From: Abhimanyu Kapur Date: Mon, 30 Mar 2015 11:54:54 -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-3.18 commit ("Merge "ARM: dts: mdm: Adjust memory region peripheral1_mem for MDM9640""). CRs-Fixed: 1033023 Change-Id: Ia928cf5e23eebc7a0f80638f4be81beec7ed2878 Signed-off-by: Runmin Wang Signed-off-by: Kyle Yan --- drivers/irqchip/Kconfig | 11 +++++++++++ drivers/irqchip/Makefile | 2 +- drivers/irqchip/msm_show_resume_irq.c | 22 ++++++++++++++++++++++ 3 files changed, 34 insertions(+), 1 deletion(-) create mode 100644 drivers/irqchip/msm_show_resume_irq.c diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 7ad925670d44..bb992583cd2b 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -7,6 +7,7 @@ config ARM_GIC select IRQ_DOMAIN select IRQ_DOMAIN_HIERARCHY select MULTI_IRQ_HANDLER + select QCOM_SHOW_RESUME_IRQ config ARM_GIC_V2M bool @@ -99,6 +100,16 @@ config BRCMSTB_L2_IRQ select GENERIC_IRQ_CHIP 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 bool select GENERIC_IRQ_CHIP diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index 53f9b902e695..a9ac2b28f4cf 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -55,4 +55,4 @@ obj-$(CONFIG_RENESAS_H8S_INTC) += irq-renesas-h8s.o obj-$(CONFIG_ARCH_SA1100) += irq-sa11x0.o obj-$(CONFIG_INGENIC_IRQ) += irq-ingenic.o obj-$(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 diff --git a/drivers/irqchip/msm_show_resume_irq.c b/drivers/irqchip/msm_show_resume_irq.c new file mode 100644 index 000000000000..521149671fdf --- /dev/null +++ b/drivers/irqchip/msm_show_resume_irq.c @@ -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 +#include +#include + +int msm_show_resume_irq_mask; + +module_param_named( + debug_mask, msm_show_resume_irq_mask, int, S_IRUGO | S_IWUSR | S_IWGRP +);