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

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Date:   Thu, 12 Nov 2020 12:31:18 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Peter Ujfalusi <peter.ujfalusi@...com>,
        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
Subject: Re: [PATCH] thermal: ti-soc-thermal: Disable the CPU PM notifier for
 OMAP4430

On 03/11/2020 07:42, Peter Ujfalusi wrote:
> 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>

Applied as a fix for v5.10-rc



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