Re: [PATCH 1/1] [MTD/NAND]: Add Blackfin BF52x on-chip NAND Flashcontroller driver support in bf5xx_nand driver

[Arjan van de Ven]

On Fri, 23 Nov 2007 22:25:29 +0800
"Bryan Wu" <cooloney.lkml@xxxxxxxxx> wrote:

> On Nov 23, 2007 6:19 PM, David Woodhouse <dwmw2@xxxxxxxxxxxxx> wrote:
> >
> > On Fri, 2007-11-23 at 18:14 +0800, Bryan Wu wrote:
> > >
> > > +#ifdef CONFIG_BF54x
> > >         /* Setup DMAC1 channel mux for NFC which shared with SDH
> > > */ val = bfin_read_DMAC1_PERIMUX();
> > >         val &= 0xFFFE;
> > >         bfin_write_DMAC1_PERIMUX(val);
> > >         SSYNC();
> > > -
> > > +#endif
> >
> > You can't build a multiplatform kernel which runs on BF52x and
> > BF54x?
> 
> There are some hardware difference between BF52x and BF54x. We have
> to do this.
> 

well does it need to be an #ifdef, or can it be a runtime if() ?

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