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SubjectRe: [PATCH 21/33] clk: ux500: Add Device Tree support for the PRCC Kernel clock
On Fri, 23 Aug 2013, Linus Walleij wrote:

> On Thu, Aug 22, 2013 at 11:21 AM, Lee Jones <lee.jones@linaro.org> wrote:
>
> >> I really do not like the approach of uglifying something and then
> >> beautifying it later... I prefer each step in isolation to be good
> >> looking, or you will be confused when traversing the history.
> >
> > So then we have a few options, some more realistic than others.
> >
> > 1. Duplicate each of the; clk_reg_prcmu_*(), clk_reg_prcc_pclk(),
> > clk_reg_prcc_kclk() calls into your proposed u8500_clk_init_dt(),
> > which, while keeping everything separate would be unrealistic.
>
> I think this is perfectly realistic.
>
> You're not going to duplicate each clk_register_clkdev(),
> which makes it way smaller than the original function,
> and since one of the function will be inside a
>
> #ifdef CONFIG_OF
> #endif
>
> After we switch the entire platform to DT-only it will be pretty
> obvious which big chunk of code that needs to go away, it's
> a clean cut.
>
> (Note: I know the #ifdef CONFIG_OF is not necessary anymore
> since we switched to multiplatform, but I intend that marker for
> humans, not machines.)

This sounds gross. To duplicate; u8500_clk_init(), u8540_clk_init()
and u9540_clk_init() just for the sake of loading a few pointers into
an array for a small part of the development cycle sounds obscene.

I genuinely think keeping the current patch in this series and then
removing the clk_register_clkdev() in the remove ATAG support series
is the best way to go.

If you think I'm wrong then I'll so as you ask however. Just pass me
the sick bucket.

--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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