linux-kernel - Re: [PATCH v5 07/11] i2c: designware: Discard Cherry Trail model flag

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Message-ID: <20200527155725.GK1634618@smile.fi.intel.com>
Date:   Wed, 27 May 2020 18:57:25 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Rob Herring <robh+dt@...nel.org>, linux-mips@...r.kernel.org,
        devicetree@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 07/11] i2c: designware: Discard Cherry Trail model flag

On Wed, May 27, 2020 at 06:30:42PM +0300, Serge Semin wrote:
> A PM workaround activated by the flag MODEL_CHERRYTRAIL has been removed
> since commit 9cbeeca05049 ("i2c: designware: Remove Cherry Trail PMIC I2C
> bus pm_disabled workaround"), but the flag most likely by mistake has been
> left in the Dw I2C drivers. Let's remove it.

Same comment as per previous version.

> Since MODEL_MSCC_OCELOT is
> the only model-flag left, redefine it to be 0x100 so setting a very first
> bit in the MODEL_MASK bits range.

Cool, but why should we care?

> -#define MODEL_MSCC_OCELOT	0x00000200
> +#define MODEL_MSCC_OCELOT	0x00000100

We have 4 bits for that, and you are going to reuse this anyway.

I consider this unneeded churn.

-- 
With Best Regards,
Andy Shevchenko