[PATCH 01/40] clkdev: add clkname to struct clk_lookup
Richard Zhao
richard.zhao at freescale.com
Wed Apr 11 04:45:29 EDT 2012
On Wed, Apr 11, 2012 at 09:24:02AM +0100, Mark Brown wrote:
> On Wed, Apr 11, 2012 at 09:11:50AM +0800, Richard Zhao wrote:
>
> > I don't like string loopup either. And after DT binding, we can use
> > phandler to refer clk.
>
> No, this is only useful on platforms that use DT. This is a generic
> Linux API so it needs to support architectures and platforms that don't
> use DT as it's vanishingly unlikely that DT will ever be adopted by all
> platforms.
My point is using string lookup as less as possible. When one register
a clk, one already got the struct clk* pointer and could use it in
struct lookup.
I'm worried about the performance as I saw string lookup is used more
and more often. In fast boot case, for example, even 5ms is important.
Thanks
Richard
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