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Subject: Re: [PATCH v8 08/10] gpu: host1x: mipi: Keep MIPI clock enabled till
 calibration is done
To:     Dmitry Osipenko <digetx@gmail.com>,
        Thierry Reding <thierry.reding@gmail.com>
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From:   Sowjanya Komatineni <skomatineni@nvidia.com>
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Date:   Thu, 6 Aug 2020 09:42:59 -0700
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On 8/6/20 9:37 AM, Dmitry Osipenko wrote:
> 06.08.2020 19:13, Dmitry Osipenko =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
>> 06.08.2020 18:59, Sowjanya Komatineni =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
>> ..
>>> 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.

As soon as START bit it set, FSM will set ACTIVE =3D 1

There is no added advantage of waiting for ACTIVE to be in=20
start_calibration()