linux-kernel - Re: [PATCH V1 0/9] add clock driver for Spreadtrum platforms

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Message-ID: <20170620012530.GG4493@codeaurora.org>
Date:   Mon, 19 Jun 2017 18:25:30 -0700
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Chunyan Zhang <chunyan.zhang@...eadtrum.com>
Cc:     Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Arnd Bergmann <arnd@...db.de>, Mark Brown <broonie@...nel.org>,
        Xiaolong Zhang <xiaolong.zhang@...eadtrum.com>,
        Orson Zhai <orson.zhai@...eadtrum.com>,
        Geng Ren <geng.ren@...eadtrum.com>,
        Chunyan Zhang <zhang.lyra@...il.com>
Subject: Re: [PATCH V1 0/9] add clock driver for Spreadtrum platforms

On 06/18, Chunyan Zhang wrote:
> In the last cycle, the patches support Whale2 sc9860 mobile chip have been
> merged. This patchset adds clock driver which is used on almost all
> Spreadtrum SoCs.
> 
> This is a rewrite of Spreadtrum's original clock driver[1] according to the
> comments[2] from Stephen Boyd.
> 
> This series also adds Spreadtrum clock binding documentation and devicetree
> data.
> 
> Any comments would be greatly appreciated.

Overall it seems to copy quite a bit of code from sunxi-ng, which
is OK, but if that's just copy/paste + replace some names then
perhaps we should consolidate the two implementations into one
that both SoCs can use.

Also, is there any reason why we can't use a platform device
driver for this instead of the DT probing mechanism? That is more
preferred method of probing clk controllers.

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