[PATCH V2 2/2] ARM: SAMSUNG: Cleanup resources by using macro

Arnd Bergmann arnd at arndb.de
Tue Oct 4 11:26:02 EDT 2011


On Tuesday 04 October 2011, Kukjin Kim wrote:
> > I think the string concatenation really just obfuscates the code, and
> > it does not actually save much at all. When you replace
> > 
> > +       [0] = SAMSUNG_RES_MEM(S3C, WDT, SZ_1K),
> > +       [1] = SAMSUNG_RES_IRQ(WDT),
> > 
> > with
> > 
> > +       [0] = DEFINE_RES_MEM(S3C_PA_WDT, SZ_1K),
> > +       [1] = DEFINE_RES_IRQ(IRQ_WDT),
> > 
> > you need practically no extra space, but you gain the advantages that
> > 
> > * Someone using grep for DEFINE_RES_MEM finds all memory resources without
> >   having to look up what your macros do an where they are used.
> > * Someone using grep to look for S3C_PA_WDT finds the place where it is
> used.
> > * Someone reading the resource definition immediately knows what the
> >   macro does if familiar with other platforms using that macro.
> 
> Yes, right. But I'm preparing to reduce the 'soc' part to consolidate some
> duplicated resources and platform data after this and the new SAMSUNG_RES
> macro will be used.

Hmm, can't you instead change the names of these constants to be
always the same? That would let you use the regular DEFINE_RES_*
definitions without having to introduce your own.

	Arnd



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