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

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Message-ID: <5304f0ca-e098-a9f0-9f72-1485a286d93a@kernel.org>
Date:   Fri, 31 Jul 2020 10:56:37 -0500
From:   Dinh Nguyen <dinguyen@...nel.org>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        "Nguyen, Dinh" <dinh.nguyen@...el.com>
Cc:     Serge Semin <fancer.lancer@...il.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

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.

Dinh