linux-kernel - Re: clocksource: dw_apb_timer: commit 6d2e16a3181b broke Arria10 platform

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Message-ID: <20200731164157.4xuh3kwqs7sfuvmn@mobilestation>
Date:   Fri, 31 Jul 2020 19:41:57 +0300
From:   Serge Semin <Sergey.Semin@...kalelectronics.ru>
To:     Dinh Nguyen <dinguyen@...nel.org>
CC:     Serge Semin <fancer.lancer@...il.com>,
        "Nguyen, Dinh" <dinh.nguyen@...el.com>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: clocksource: dw_apb_timer: commit 6d2e16a3181b broke Arria10
 platform

On Fri, Jul 31, 2020 at 10:56:37AM -0500, Dinh Nguyen wrote:
> Hi Serge,
> 
> On 7/31/20 1:48 AM, Serge Semin wrote:
> > Hello Dinh,
> > It must be something wrong with your timer2 and timer3 declared in the Arria10
> > dts because the patch didn't change anything for the first two timers (timer0 and
> > timer1). It just permits to register all DW APB Timers found in dts.
> > 
> > If those timers are broken, then you should have disabled them in the dts in the
> > first place. If they are normal, then you need to investigate further why do
> > they cause the kernel panic.
> > 
> 

> Indeed, the dts reg entry for timer3 was broken. Thanks alot for
> exposing the issue. Apologies for the noise.

No worries. Glad I could help.

-Sergey

> 
> Dinh