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SubjectDMA_ERROR_CODE (was: Re: linux-next: build failure after merge of the final tree)
On Mon, Mar 1, 2010 at 10:40, Stephen Rothwell <> wrote:
> After merging the final tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
> drivers/mtd/nand/r852.c:22: error: 'enable_dma' redeclared as different kind of symbol
> arch/powerpc/include/asm/dma.h:189: note: previous definition of 'enable_dma' was here
> drivers/mtd/nand/r852.c: In function 'r852_engine_enable':
> drivers/mtd/nand/r852.c:545: error: implicit declaration of function 'msleep'
> Caused by commit 67e054e919248fa1db93de727fb9ad49eb700642 ("mtd: nand:
> Add driver for Ricoh xD/SmartMedia reader") from the mtd.
> I applied the following patch for today.
> From: Stephen Rothwell <>
> Date: Mon, 1 Mar 2010 20:21:06 +1100
> Subject: [PATCH] mtd: nand: fix name space clash
> and include delay.h for msleep().

Another issue is that this driver uses DMA_ERROR_CODE, which is currently
defined on powerpc/sparc/x86 only.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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