linux-kernel - Re: [PATCH v2 1/5] clocksource: mediatek: do not enable GPT_CLK

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Date:	Fri, 31 Jul 2015 11:14:01 +0800
From:	Yingjoe Chen <yingjoe.chen@...iatek.com>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>
CC:	Stephen Boyd <sboyd@...eaurora.org>,
	James Liao <jamesjj.liao@...iatek.com>,
	Russell King <linux@....linux.org.uk>,
	srv_heupstream <srv_heupstream@...iatek.com>,
	Arnd Bergmann <arnd@...db.de>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Michael Turquette <mturquette@...libre.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Matthias Brugger" <matthias.bgg@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	<linux-mediatek@...ts.infradead.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Olof Johansson <olof@...om.net>, <linux-clk@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Daniel Kurtz <djkurtz@...omium.org>
Subject: Re: [PATCH v2 1/5] clocksource: mediatek: do not enable GPT_CLK_EVT
 when setup

On Wed, 2015-07-22 at 16:14 +0800, 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.
> 
> Acked-by: Matthias Brugger <matthias.bgg@...il.com>
> Reviewed-by: Daniel Kurtz <djkurtz@...omium.org>
> Signed-off-by: Yingjoe Chen <yingjoe.chen@...iatek.com>
> ---
> Update to my patch [1], added __init as Daniel suggest. This is the
> only patch that need to change in that series, so I only sent this one.
> 
> http://lists.infradead.org/pipermail/linux-mediatek/2015-July/001545.html


Hi Daniel, Thomas,

Any suggestions for mtk_timer fixes in this series?
Should I resend and add tags from the reviewers?

Joe.C


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