From d30e4d4e549f120b2324f937030e67469abf7a5d Mon Sep 17 00:00:00 2001 From: Dilip Kota Date: Wed, 16 Dec 2015 17:59:36 +0530 Subject: [PATCH] devfreq_spdm: Handle spurious interrupts during bootup Terminate the interrupts triggered before the intitalisation itself. Change-Id: I7c005134ecbdae38b58e4312f9e294f5b59c2510 Signed-off-by: Dilip Kota Signed-off-by: Kiran Gunda --- drivers/devfreq/governor_spdm_bw_hyp.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/devfreq/governor_spdm_bw_hyp.c b/drivers/devfreq/governor_spdm_bw_hyp.c index cd068a3097ce..f18b72af5fc4 100644 --- a/drivers/devfreq/governor_spdm_bw_hyp.c +++ b/drivers/devfreq/governor_spdm_bw_hyp.c @@ -1,5 +1,5 @@ /* -*Copyright (c) 2014-2015, The Linux Foundation. All rights reserved. +*Copyright (c) 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 @@ -84,6 +84,10 @@ static irqreturn_t threaded_isr(int irq, void *dev_id) (int)desc.arg[0], ext_status); mutex_lock(&devfreqs_lock); list_for_each_entry(data, &devfreqs, list) { + if (data == NULL || data->devfreq == NULL) { + pr_err("Spurious interrupts\n"); + break; + } if (data->spdm_client == desc.ret[0]) { devfreq_monitor_suspend(data->devfreq); mutex_lock(&data->devfreq->lock);