[PATCH v5 0/3] omap3 nand: cleanup exiting platform related code

Ghorai, Sukumar s-ghorai at ti.com
Wed Jun 30 10:42:13 EDT 2010


Tony,
Please let me know if any have input on following two series. 

http://www.mail-archive.com/linux-omap@vger.kernel.org/msg30305.html
http://www.mail-archive.com/linux-omap@vger.kernel.org/msg30735.html

Regards,
Ghorai

> -----Original Message-----
> From: Ghorai, Sukumar
> Sent: Tuesday, June 15, 2010 6:57 PM
> To: 'Tony Lindgren'
> Cc: linux-omap at vger.kernel.org; linux-mtd at lists.infradead.org;
> tony at atomide.com; mike at compulab.co.il; 'Vimal Singh'
> Subject: RE: [PATCH v5 0/3] omap3 nand: cleanup exiting platform related
> code
> 
> Tony,
> 
> > -----Original Message-----
> > From: Vimal Singh [mailto:vimal.newwork at gmail.com]
> > Sent: Tuesday, June 08, 2010 10:43 PM
> > To: Ghorai, Sukumar
> > Cc: linux-omap at vger.kernel.org; linux-mtd at lists.infradead.org;
> > tony at atomide.com; mike at compulab.co.il
> > Subject: Re: [PATCH v5 0/3] omap3 nand: cleanup exiting platform related
> > code
> >
> > Reviewed-by: Vimal Singh <vimal.newwork at gmail.com>
> >
> > On Fri, Jun 4, 2010 at 1:10 PM, Sukumar Ghorai <s-ghorai at ti.com> wrote:
> > >   The following set of patches applies on top of for-next branch.
> > >        http://git.kernel.org/?p=linux/kernel/git/tmlind/linux-omap-
> > 2.6.git
> > >   Patches verified on: omap3430-SDP, omap3630-sdp, zoom3 and beagle
> > board
> > >
> > >   And these are the patches required to address the following input -
> > >     1. The NAND driver needs to stop tinkering with the GPMC registers
> > >        The omap General Purpose Memory Controller (GPMC) registers are
> > omap
> > >        specific, and not driver specific. Tinkering with these
> registers
> > can
> > >        cause issues with the other devices on the GPMC.
> > >
> > >     2. Passing hardcoded GPMC_CS0_BASE needs to go from the board
> files
> > >        Passing hardcoded GPMC virtual addressess is sure way to mess
> up
> > things.
> > >        This should all become unnecessary once the NAND drivers stops
> > messing
> > >        with the GPMC registers directly.
> > >     Discussion: http://www.mail-archive.com/linux-
> > omap at vger.kernel.org/msg27630.html
> > >
> > >   Changes in this series -
> > >                Unused function removed.
> > >
> > >  Functions related to ecc and prefetch engine are optimized.
> > >  v4: http://www.mail-archive.com/linux-
> > omap at vger.kernel.org/msg29458.html
> > >
> > >  Few functionality was missing  like - There should be some locking as
> > only
> > >   one chipselect can use the ECC or prefetch engine at a time. If you
> > have
> > >   NAND in two chipselects, bad things would happen.
> > >  v3: http://www.mail-archive.com/linux-
> > omap at vger.kernel.org/msg28715.html
> > >
> > >  Additionally, it was needed to implement more functions for the
> > platform
> > >  init code to use.
> > >  v2: http://www.mail-archive.com/linux-
> > omap at vger.kernel.org/msg28467.html
> > >
> > >  v1: http://www.mail-archive.com/linux-
> > omap at vger.kernel.org/msg28164.html
> > >
> > >
> > > Sukumar Ghorai (3):
> > >        omap3 gpmc: functionality enhancement
> > >        omap3 nand: cleanup virtual address usages
> > >        omap3 nand: fix issue in board file to detect nand
> > >  arch/arm/mach-omap2/board-cm-t35.c         |   20 +---
> > >  arch/arm/mach-omap2/board-devkit8000.c     |   25 +---
> > >  arch/arm/mach-omap2/board-omap3beagle.c    |   24 +---
> > >  arch/arm/mach-omap2/board-omap3touchbook.c |   25 +---
> > >  arch/arm/mach-omap2/board-overo.c          |   24 +---
> > >  arch/arm/mach-omap2/board-sdp-flash.c      |    5 -
> > >  arch/arm/mach-omap2/gpmc-nand.c            |   39 ++----
> > >  arch/arm/mach-omap2/gpmc.c                 |  228
> > +++++++++++++++++++++++++---
> > >  arch/arm/plat-omap/include/plat/gpmc.h     |   36 ++++-
> > >  arch/arm/plat-omap/include/plat/nand.h     |    6 +-
> > >  drivers/mtd/nand/omap2.c                   |  229 ++++++++-----------
> --
> > -------
> > >  11 files changed, 320 insertions(+), 341 deletions(-)
> 
> [Ghorai] Any comments or input on these patch?
> 
> > >
> > > --
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> in
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> > >
> >
> >
> >
> > --
> > Regards,
> > Vimal Singh



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