Messages in this thread | | | From | "A.s. Dong" <> | Subject | RE: [PATCH 9/9] clk: imx: add imx7ulp clk driver | Date | Wed, 21 Jun 2017 07:13:55 +0000 |
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> -----Original Message----- > From: Stephen Boyd [mailto:sboyd@codeaurora.org] > Sent: Wednesday, June 21, 2017 4:42 AM > To: Dong Aisheng > Cc: A.s. Dong; linux-clk@vger.kernel.org; linux-kernel@vger.kernel.org; > linux-arm-kernel@lists.infradead.org; mturquette@baylibre.com; > shawnguo@kernel.org; Anson Huang; Jacky Bai > 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. >
Okay, I could try it. Thanks.
One thing is that TPM clock has a lot parents and parents having parents, as well as PIT timer. So I may need enable more than half clocks in CLK_OF_DECLARE_DRIVER hook.
BTW, What's benefit to convert into two parts of probe? I'm not quite if I already get it all, can you help clarify it?
Regards Dong Aisheng
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