linux-kernel - Re: [PATCH v1] memory: tegra: Check whether reset is already asserted

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Message-ID: <20cc8401-1934-6e4f-8e66-3216b86681fa@gmail.com>
Date:   Sat, 23 Jan 2021 00:58:12 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Matt Merhar <mattmerhar@...tonmail.com>,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] memory: tegra: Check whether reset is already asserted

23.01.2021 00:40, Krzysztof Kozlowski пишет:
> On Wed, Jan 20, 2021 at 02:52:10AM +0300, Dmitry Osipenko wrote:
>> Check whether memory client reset is already asserted in order to prevent
>> DMA-flush error on trying to re-assert an already asserted reset.
>>
>> This becomes a problem once PMC GENPD is enabled to use memory resets
>> since GENPD will get a error and fail to toggle power domain. PMC GENPDs
>> can't be toggled safely without holding memory reset on Tegra and we're
>> about to fix this.
>>
>> Tested-by: Peter Geis <pgwipeout@...il.com> # Ouya T30
>> Tested-by: Dmitry Osipenko <digetx@...il.com> # A500 T20 and Nexus7 T30
> 
> Don't add your own Tested-by. Author has to test it.  However this is a
> v1 and already three other people added tests. Where are the emails?

The test results were given on #tegra irc.

Author doesn't have to test, from time to time I'm helping people who
can't make a patch with fixing obvious bugs for the h/w that I don't
have access to.

Anyways, I'll make v2 with myself removed if you prefer that, thanks.