Re: [PATCH 2/2] clk: Move init fields from clk to clk_hw

[Shawn Guo]

On Tue, Mar 20, 2012 at 11:40:21PM +0100, Sascha Hauer wrote:
> On Tue, Mar 20, 2012 at 01:14:51PM -0700, Saravana Kannan wrote:
...
> > Ah, I see. That's a lot of functions calls. I think it would be much
> > more efficient if you just have an array and loop over it. With my
> > patch, you can just call a single register function for all these
> > clocks.
> 
> I was curious and gave it a try. I registered a fixed clock and 100
> gates as child clocks. I tried both DEFINE_CLK_GATE and
> clk_register_gate. It turned out there was no difference in speed.
> 
While there is no difference in speed efficiency, I think we will
gain space efficiency if we can have Saravana's patch to copy the
clk_hw fields and make the static array __initdata as you mentioned.

-- 
Regards,
Shawn
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