[PATCH 01/40] clkdev: add clkname to struct clk_lookup

[Russell King - ARM Linux]

On Wed, Apr 11, 2012 at 11:42:31AM +0200, Sascha Hauer wrote:
> On Wed, Apr 11, 2012 at 10:20:34AM +0100, Russell King - ARM Linux wrote:
> > Yes, and you're not the only one who has that concern.  What this patch
> > does is turn a pair of string compares through a table into that plus
> > another set of string compares across all struct clk, which will make
> > the lookup yet more expensive.
> > 
> > I see no reason why you'd register the cl_lookup structures before you
> > know about which clks actually exist - and if they already exist, then
> > you can already find the struct clk pointer and use that to register
> > the proper return value for clk_get() via the clkdev APIs.
> 
> Indeed I have struct clk pointers, so I can instead use a to-be-written
> combination of clkdev_alloc/clkdev_add. Would that be ok?

As we already have clkdev_alloc and clkdev_add, then I don't see that as
a problem - except we may have to change __clkdev_alloc() so that it can
be used before kmalloc() is up and running.