linux-kernel - Re: [PATCH v2] arm: dts: Move am33xx and am43xx mmc nodes to sdhci-omap driver

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Date:   Tue, 19 May 2020 18:54:50 +0300
From:   Tomi Valkeinen <tomi.valkeinen@...com>
To:     Tony Lindgren <tony@...mide.com>, Faiz Abbas <faiz_abbas@...com>
CC:     Keerthy <j-keerthy@...com>, <linux-kernel@...r.kernel.org>,
        <linux-omap@...r.kernel.org>, <bcousson@...libre.com>
Subject: Re: [PATCH v2] arm: dts: Move am33xx and am43xx mmc nodes to
 sdhci-omap driver

(Dropping DT from cc)

On 19/05/2020 18:48, Tony Lindgren wrote:

>>> Suspend/resume on am43xx-gpevm is broken right now in mainline and the regression looks
>>> like it is caused by the display subsystem. I have reported this to Tomi and
>>> its being investigated.
>>>
>>> Meanwhile I have tested this patch with display configs disabled and Keerthy's
>>> suspend/resume tests pass on both am3 and am4.
> 
> OK great thanks for checking it. Do you have the display subsystem
> related commit that broke PM? I'm wondering if my recent DSS platform
> data removal changes might have caused the regression.

I spent a bit time looking at this, but unfortunately I wasn't even able to resume my AM4 evm from 
suspend. I tried with rtcwake and with plain console (with no_console_suspend). I did not have DSS 
loaded.

Anyone have quick hints on how to debug why resume doesn't seem to happen?

  Tomi

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