linux-kernel - Re: [PATCH RESEND v2] firmware/psci: demote suspend-mode warning to info level

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Date:   Fri, 14 Apr 2023 13:49:38 +0200
From:   "Arnd Bergmann" <arnd@...db.de>
To:     "Mark Rutland" <mark.rutland@....com>,
        "Johan Hovold" <johan+linaro@...nel.org>
Cc:     "Lorenzo Pieralisi" <lpieralisi@...nel.org>,
        "Ulf Hansson" <ulf.hansson@...aro.org>,
        "Dmitry Baryshkov" <dmitry.baryshkov@...aro.org>,
        "Sudeep Holla" <sudeep.holla@....com>,
        "Daniel Lezcano" <daniel.lezcano@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND v2] firmware/psci: demote suspend-mode warning to info level

On Fri, Apr 14, 2023, at 13:01, Mark Rutland wrote:
> On Fri, Apr 14, 2023 at 10:46:19AM +0200, Johan Hovold wrote:
>> On some Qualcomm platforms, like SC8280XP, the attempt to set PC mode
>> during boot fails with PSCI_RET_DENIED and since commit 998fcd001feb
>> ("firmware/psci: Print a warning if PSCI doesn't accept PC mode") this
>> is now logged at warning level:
>> 
>> 	psci: failed to set PC mode: -3
>> 
>> As there is nothing users can do about the firmware behaving this way,
>> demote the warning to info level and clearly mark it as a firmware bug:
>> 
>> 	psci: [Firmware Bug]: failed to set PC mode: -3
>> 
>> Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>
>> Acked-by: Mark Rutland <mark.rutland@....com>
>> Acked-by: Sudeep Holla <sudeep.holla@....com>
>> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
>> ---
>> 
>> This one fell between the cracks so resending with tags added.
>> 
>> Mark or Lorenzo, is this something you can pick up?
>> 
>> Johan
>
> Sorry about this.
>
> I don't think we have anything else in this area, so Arnd, are you happy to
> pick this via the soc tree?

Sure, applied to the fixes branch for 6.3 now.

     Arnd