linux-kernel - Re: [PATCH] thermal: ti-soc-thermal: Disable the CPU PM notifier for OMAP4430

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Message-ID: <b05f4bae-c285-828b-d5f1-fbf8613b4ca4@ti.com>
Date:   Tue, 3 Nov 2020 08:42:09 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     Tony Lindgren <tony@...mide.com>
CC:     <edubezval@...il.com>, <j-keerthy@...com>, <aford173@...il.com>,
        <linux-pm@...r.kernel.org>, <linux-omap@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <andreas@...nade.info>,
        <daniel.lezcano@...aro.org>
Subject: Re: [PATCH] thermal: ti-soc-thermal: Disable the CPU PM notifier for
 OMAP4430

Eduardo, Keerthy,

On 29/10/2020 12.51, Tony Lindgren wrote:
> * Peter Ujfalusi <peter.ujfalusi@...com> [201029 10:03]:
>> Disabling the notifier fixes the random shutdowns on OMAP4430 (ES2.0 and ES2.1)
>> but it does not cause any issues on OMAP4460 (PandaES) or OMAP3630 (BeagleXM).
>> Tony's duovero with OMAP4430 ES2.3 did not ninja-shutdown, but he also have
>> constant and steady stream of:
>> thermal thermal_zone0: failed to read out thermal zone (-5)
> 
> Works for me and I've verified duovero still keeps hitting core ret idle:

Can you pick this one up for 5.10 to make omap4430-sdp to be usable (to
not shut down randomly).
The regression was introduced in 5.10-rc1.

> Tested-by: Tony Lindgren <tony@...mide.com>
> 
> Regards,
> 
> Tony
> 

- Péter

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