linux-kernel - Re: [PATCH v8 08/10] gpu: host1x: mipi: Keep MIPI clock enabled till calibration is done

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Message-ID: <14793e8c-30dc-5cf5-fdf9-6f64fa433818@gmail.com>
Date:   Thu, 6 Aug 2020 19:37:46 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Sowjanya Komatineni <skomatineni@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>
Cc:     jonathanh@...dia.com, frankc@...dia.com, hverkuil@...all.nl,
        sakari.ailus@....fi, robh+dt@...nel.org, helen.koike@...labora.com,
        gregkh@...uxfoundation.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 08/10] gpu: host1x: mipi: Keep MIPI clock enabled till
 calibration is done

06.08.2020 19:13, Dmitry Osipenko пишет:
> 06.08.2020 18:59, Sowjanya Komatineni пишет:
> ..
>> We cant use active status check for specific pads under calibration.
>> This is common bit for all pads.
> 
> I'm not sure why this is a problem.
> 

IIUC, the start_calibration() should wait for the MIPI_CAL_STATUS_ACTIVE
and finish_calibration() should wait for MIPI_AUTO_CAL_DONE_CSIA/B.