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SubjectRe: [PATCH v2] MTD: Fix Orion NAND driver compilation with ARM OABI
On Fri, 23 Apr 2010, Artem Bityutskiy wrote:

> On Wed, 2010-03-31 at 15:01 +0300, Paulius Zaleckas wrote:
> > On 03/25/2010 06:26 PM, Nicolas Pitre wrote:
> > > On Thu, 25 Mar 2010, Paulius Zaleckas wrote:
> > >
> > >> We must tell GCC to use even register for variable passed
> > >> to ldrd instruction. Without this patch GCC 4.2.1 puts this
> > >> variable to r2/r3 on EABI and r3/r4 on OABI, so force it to
> > >> r2/r3. This does not change anything when EABI and OABI
> > >> compilation works OK.
> > >>
> > >> Without this patch and with OABI I get:
> > >> CC drivers/mtd/nand/orion_nand.o
> > >> /tmp/ccMkwOCs.s: Assembler messages:
> > >> /tmp/ccMkwOCs.s:63: Error: first destination register must be even -- `ldrd r3,[ip]'
> > >> make[5]: *** [drivers/mtd/nand/orion_nand.o] Error 1
> > >>
> > >> Signed-off-by: Paulius Zaleckas<paulius.zaleckas@gmail.com>
> > >
> > > Acked-by: Nicolas Pitre<nico@fluxnic.net>
> >
> > David,
> >
> > Will you take this patch?
> > Or you are waiting till I will add all Cc as Jamie suggested?
>
> Meanwhile, I've pushed your patch to my l2-mtd-2.6.git / dunno.

I think it should go to mainline. It is not perfect, but still better
than the current situation.


Nicolas


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