linux-kernel - Re: [PATCH 9/9] clk: imx: add imx7ulp clk driver

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Message-ID: <20170620204152.GS4493@codeaurora.org>
Date:   Tue, 20 Jun 2017 13:41:52 -0700
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Dong Aisheng <dongas86@...il.com>
Cc:     Dong Aisheng <aisheng.dong@....com>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        mturquette@...libre.com, shawnguo@...nel.org, Anson.Huang@....com,
        ping.bai@....com
Subject: Re: [PATCH 9/9] clk: imx: add imx7ulp clk driver

On 06/20, Dong Aisheng wrote:
> On Mon, Jun 19, 2017 at 07:01:19PM -0700, Stephen Boyd wrote:
> > 
> > Any reason why it can't be a platform driver? If not, please add
> > some comment explaining why.
> > 
> 
> Timer is using it at early stage. GIC seems not although standard
> binding claim possible clock requirement.
> Others still not sure.
> 
> What your suggestion?
> Convert timer to platform driver and make clock as platform driver as well?
> 

The timer can't be a platform driver because it would be too
late. The clock driver could register whatever clks are required
for the timer/GIC in a CLK_OF_DECLARE_DRIVER hook, and then leave
the rest to a platform driver. This way we get some of the device
driver framework in this code.

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