Re: [PATCH] mtd: nand: MTD_NAND_SH_FLCTL should depend on HAS_DMA

From: Brian Norris
Date: Fri Feb 21 2014 - 15:49:25 EST


Hi Geert,

On Fri, Feb 21, 2014 at 09:27:27PM +0100, Laurent Pinchart wrote:
> On Friday 21 February 2014 20:54:34 Geert Uytterhoeven wrote:
> > If NO_DMA=y:
> >
> > drivers/built-in.o: In function `flctl_dma_fifo0_transfer':
> > sh_flctl.c:(.text+0x210398): undefined reference to `dma_map_single'
> > sh_flctl.c:(.text+0x2104b0): undefined reference to `dma_unmap_single'
> >
> > Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
>
> Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
>
> > ---
> > drivers/mtd/nand/Kconfig | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
> > index 90ff447bf043..e7786913280a 100644
> > --- a/drivers/mtd/nand/Kconfig
> > +++ b/drivers/mtd/nand/Kconfig
> > @@ -458,6 +458,7 @@ config MTD_NAND_MXC
> >
> > config MTD_NAND_SH_FLCTL
> > tristate "Support for NAND on Renesas SuperH FLCTL"
> > + depends on HAS_DMA
> > depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
> > help
> > Several Renesas SuperH CPU has FLCTL. This option enables support

It looks like Richard beat you to this. I have a similar patch queued up
in l2-mtd.git:

commit 4c8a074b3abab5a5d77c9a19f2fa5fb9d50f9908
Author: Richard Weinberger <richard@xxxxxx>
Date: Fri Jan 31 13:39:07 2014 +0100

mtd: nand: flctl: Add dependency on HAS_IOMEM and HAS_DMA

Thanks,
Brian
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