linux-kernel - Re: [RFC 2/2] i2c: designware: Add AMD PSP I2C bus support

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Message-ID: <CAOtMz3N=BPfudoamy3dVUZ6E07_Cw0OD_mJgZRrX+UWnY7c8ww@mail.gmail.com>
Date:   Mon, 27 Dec 2021 12:34:42 +0100
From:   Jan Dąbroś <jsd@...ihalf.com>
To:     Jarkko Nikula <jarkko.nikula@...ux.intel.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-i2c <linux-i2c@...r.kernel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Wolfram Sang <wsa@...nel.org>,
        Raul E Rangel <rrangel@...omium.org>,
        Marcin Wojtas <mw@...ihalf.com>,
        Grzegorz Jaszczyk <jaz@...ihalf.com>, upstream@...ihalf.com
Subject: Re: [RFC 2/2] i2c: designware: Add AMD PSP I2C bus support

czw., 23 gru 2021 o 15:37 Jarkko Nikula
<jarkko.nikula@...ux.intel.com> napisał(a):
>
> On 12/22/21 11:45, Jan Dabros wrote:
> >
> > Introduce new CONFIG and add new menuconfig selection list in order to
> > allow (optional) selection between baytrail and amdpsp semaphore.
> >
> For the Linux distribution point of view selection must happen runtime.
> Otherwise either AMD PSP or Baytrail semaphore support is missing from
> the installation image.

I see, thanks for your input.
Will modify the driver so that it should work with both (Baytrail,
AMDPSP and potential new ones) semaphore modules compiled in.
Executing probe()'s at runtime will allow to select and install
correct callbacks.

Best Regards,
Jan