> -----Original Message-----
> From: Tony Lindgren [mailto:t...@atomide.com]
> Sent: Saturday, December 18, 2010 5:39 AM
> To: Ghorai, Sukumar
> Cc: linux-omap@vger.kernel.org; linux-...@lists.infradead.org; linux-arm-
> ker...@lists.infradead.org
> Subject: Re: [PATCH 2/7] omap3: nand: configurable transfer type per board
> 
> * Sukumar Ghorai <s-gho...@ti.com> [101126 07:25]:
> > nand transfer type (sDMA, Polled, prefetch) can be select from board
> file,
> > enabling all transfer type in driver, by default.
> >
> > this helps in multi-omap build and to select different transfer type for
> > different board.
> >
> > Signed-off-by: Sukumar Ghorai <s-gho...@ti.com>
> > ---
> >  arch/arm/plat-omap/include/plat/nand.h |    7 +++
> >  drivers/mtd/nand/Kconfig               |   17 ------
> >  drivers/mtd/nand/omap2.c               |   92 +++++++++++--------------
> ------
> >  3 files changed, 40 insertions(+), 76 deletions(-)
> >
> > diff --git a/arch/arm/plat-omap/include/plat/nand.h b/arch/arm/plat-
> omap/include/plat/nand.h
> > index 6562cd0..78c0bdb 100644
> > --- a/arch/arm/plat-omap/include/plat/nand.h
> > +++ b/arch/arm/plat-omap/include/plat/nand.h
> > @@ -10,6 +10,12 @@
> >
> >  #include <linux/mtd/partitions.h>
> >
> > +enum nand_io {
> > +   NAND_OMAP_PREFETCH_POLLED = 0,  /* prefetch polled mode, default
> */
> > +   NAND_OMAP_POLLED,               /* polled mode, without prefetch */
> > +   NAND_OMAP_PREFETCH_DMA          /* prefetch enabled sDMA mode */
> > +};
> > +
> >  struct omap_nand_platform_data {
> >     unsigned int            options;
> >     int                     cs;
> > @@ -20,6 +26,7 @@ struct omap_nand_platform_data {
> >     int                     (*nand_setup)(void);
> >     int                     (*dev_ready)(struct omap_nand_platform_data *);
> >     int                     dma_channel;
> > +   enum nand_io            xfer_type;
> >     unsigned long           phys_base;
> >     int                     devsize;
> >  };
> 
> So maybe the devsize in patch 1/7 should be handled with this too?

[Ghorai] patch 1/7 [1] is to select the NAND type i.e. x8 or x16 NAND; 
So I am keeping as separate patch. And let me know if I am missing anything.
 
[1] https://patchwork.kernel.org/patch/359092/

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