linux-kernel - Re: [PATCH v6 2/6] media: sun6i: Add mod

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Message-ID: <20190123154437.zjrpzzsenoioi43e@flea>
Date:   Wed, 23 Jan 2019 16:44:37 +0100
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     Yong Deng <yong.deng@...ewell.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Chen-Yu Tsai <wens@...e.org>, linux-media@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        linux-amarula@...rulasolutions.com,
        Michael Trimarchi <michael@...rulasolutions.com>
Subject: Re: [PATCH v6 2/6] media: sun6i: Add mod_rate quirk

On Fri, Jan 18, 2019 at 10:01:54PM +0530, Jagan Teki wrote:
> Unfortunately default CSI_SCLK rate cannot work properly to
> drive the connected sensor interface, particularly on few
> Allwinner SoC's like A64.
> 
> So, add mod_rate quirk via driver data so-that the respective
> SoC's which require to alter the default mod clock rate can assign
> the operating clock rate.
> 
> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>

You still don't need the variant stuff. If the sole difference is that
we need that clock rate to be fixed, then the following patch is enough.

http://code.bulix.org/9au998-562745?raw

Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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