linux-kernel - Re: [PATCH 1/5] clocksource: mediatek: do not enable GPT_CLK

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Message-ID: <287437450.ZlyYtovZRG@ubix>
Date:	Fri, 17 Jul 2015 23:56:35 +0200
From:	Matthias Brugger <matthias.bgg@...il.com>
To:	Yingjoe Chen <yingjoe.chen@...iatek.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Michael Turquette <mturquette@...libre.com>,
	James Liao <jamesjj.liao@...iatek.com>,
	Russell King <linux@....linux.org.uk>,
	devicetree@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	Catalin Marinas <catalin.marinas@....com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
	linux-mediatek@...ts.infradead.org,
	Sascha Hauer <kernel@...gutronix.de>,
	Olof Johansson <olof@...om.net>, srv_heupstream@...iatek.com,
	linux-arm-kernel@...ts.infradead.org,
	Daniel Kurtz <djkurtz@...omium.org>, linux-clk@...r.kernel.org
Subject: Re: [PATCH 1/5] clocksource: mediatek: do not enable GPT_CLK_EVT when setup

On Monday, July 13, 2015 05:32:45 PM Yingjoe Chen wrote:
> Spurious mtk timer interrupt is noticed at boot and cause kernel
> crash. It seems if GPT is enabled, it will latch irq status even
> when its IRQ is disabled. When irq is enabled afterward, we see
> spurious interrupt.
> Change init flow to only enable GPT_CLK_SRC at mtk_timer_init.
> 
> Signed-off-by: Yingjoe Chen <yingjoe.chen@...iatek.com>
> ---

Acked-by: Matthias Brugger <matthias.bgg@...il.com>
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