[U-Boot] [PATCH v3 6/8] mtd: nand: add driver for diskonchip g4 nand flash

[Marek Vasut]

Dear Scott Wood,

> On 04/12/2013 01:59:18 PM, Mike Dunn wrote:
> > This patch adds a driver for the diskonchip G4 nand flash device.  It
> > is based
> > on the driver from the linux kernel.
> > 
> > This also includes a separate SPL driver.  A separate SPL driver is
> > used because
> > the device operates in a different mode (reliable mode) when loading
> > a boot
> > image, and also because the storage format of the boot image is
> > different from
> > normal data (pages are stored redundantly).  The SPL driver basically
> > mimics how
> > a typical IPL reads data from the device.  The special operating mode
> > and
> > storage format are used to compensate for the fact that the IPL does
> > not contain
> > the BCH ecc decoding algorithm (due to size constraints).  Although
> > the u-boot
> > SPL *could* use ecc, it operates like an IPL for the sake of
> > simplicity and
> > uniformity, since the IPL and SPL share the task of loading the
> > u-boot image.
> > As a side benefit, the SPL driver is very small.
> > 
> > [port from linux kernel 3.4 commit
> > 570469f3bde7f71cc1ece07a18d54a05b6a8775d]
> > 
> > Signed-off-by: Mike Dunn <mikedunn at newsguy.com>
> > ---
> > 
> > Changelog:
> >   v3: replace dbg macro with MTDDEBUG
> >   v2: remove commented-out code
> >  
> >  drivers/mtd/nand/Makefile    |    2 +
> >  drivers/mtd/nand/docg4.c     | 1028
> > 
> > ++++++++++++++++++++++++++++++++++++++++++
> > 
> >  drivers/mtd/nand/docg4_spl.c |  222 +++++++++
> >  include/linux/mtd/docg4.h    |  134 ++++++
> >  4 files changed, 1386 insertions(+), 0 deletions(-)
> >  create mode 100644 drivers/mtd/nand/docg4.c
> >  create mode 100644 drivers/mtd/nand/docg4_spl.c
> >  create mode 100644 include/linux/mtd/docg4.h
> 
> Acked-by: Scott Wood <scottwood at freescale.com>

I'll pick them all if that's ok with you, Scott ?

Best regards,
Marek Vasut