Re: [Linux-fbdev-devel] [PATCH 05/10] ARM: OMAP1: Make 770 LCD work

[Russell K. - A. L. <li...@ar...>]

On Thu, May 28, 2009 at 11:20:48AM -0700, Tony Lindgren wrote:
> * Andrew de Quincey <ad...@li...> [090525 09:41]:
> > Quoting Andrew de Quincey <ad...@li...>:
> >
> >> Quoting Russell King - ARM Linux <li...@ar...>:
> >>
> >>> On Tue, May 19, 2009 at 04:37:32PM -0700, Tony Lindgren wrote:
> >>>> Make 770 LCD work by passing the clock from platform data.
> >>>> Also remove the old unused functions.
> >>>
> >>> I don't like this - because its passing struct clk's through platform
> >>> data.  That's not how things are supposed to work.
> >>>
> >>> The way PXA solves this problem is to have clock aliases - see
> >>> clk_add_alias().
> >>
> >> Interesting idea - I now have a prototype patch implementing this,  
> >> which I'll send when I get home (otherwise it would be an "it  
> >> compiles" "test" :)
> >>
> >> There isn't a common definition of clk_add_alias() though - that  
> >> symbol is defined in arch/arm/mach-pxa/clock.c, so I had to copy it  
> >> into arch/arm/plat-omap/clock.c
> >
> > Attached is a patch implementing this method. I don't like the  
> > duplication of the clk_alias code, but I imagine that could be resolved 
> > if this method was chosen....
> 
> Andrew, can you please reply with your Signed-off-by?

Actually, I'm very tempted to suggest that clk_add_alias() should go
into arch/arm/common/clkdev.c if we're going to have more people use it.