[RESEND PATCH v4 0/4] mtd: cfi_cmdset_0002: Add OTP support for Micron M29EW NOR flashes

[Brian Norris]

Hi Christian,

On Mon, Jul 07, 2014 at 02:22:51PM +0200, Christian Riesch wrote:
> On Mon, May 5, 2014 at 8:14 AM, Christian Riesch <christian.riesch at omicron.at> wrote:
> > The first version of this patchset was posted to the list in February 2013.
> > There were a few comments to these patches (from Artem), which I have
> > addressed in separate patches (merged by you on March 9).
> >
> > Since there are no further objections against these patches (after a review
> > time of more than a year), I would like to ask you to merge them as well.
> 
> Since you didn't take this patchset for the 3.16 merge window, I'd
> like to know if there is anything I should change here. Otherwise I
> would like to ask you to apply this patchset.

Overlooked again, sorry.

> >
> > Best regards,
> > Christian
> >
> >
> > This patchset adds support for the reading, writing, and locking of the
> > one time programmable (OTP) memory of Micron M29EW NOR flashes.
> >
> > These flashes have a 256 byte OTP memory, which is called extended
> > memory region in its datasheet. The flash is compatible to Spansion S29GL
> > and Macronix MX29GL devices, so support for the OTP memory of these
> > flashes should also be possible.
> >
> > Tests with this patchset were done with a single Micron M29EW device
> > (512 Mbit, 16 bit) on a custom board with a Texas Instruments AM1808
> > system on chip.
> >
> > Prerequisites:
> > - Applies on linux-mtd.git
> >
> > Changes for v2:
> > - dropped one patch that changes the detection of M29EW devices,
> >   this patch is currently not required
> > - added support for locking
> > - fixed a few bugs in the loop that walks through the OTP memory
> >
> > Changes for v3:
> > - Added retlet parameter to cfi_amdstd_get_{fact,user}_prot_info
> > - Fixed partial write of words
> >
> > Changes for v4:
> > - Updated prerequisites in cover letter
> >
> > Christian Riesch (4):
> >   mtd: cfi_cmdset_0002: Add support for reading OTP
> >   mtd: cfi_cmdset_0002: Invalidate cache after entering/exiting OTP
> >     memory
> >   mtd: cfi_cmdset_0002: Add support for writing OTP memory
> >   mtd: cfi_cmdset_0002: Add support for locking OTP memory
> >
> >  drivers/mtd/chips/cfi_cmdset_0002.c |  350 +++++++++++++++++++++++++++++++++--
> >  1 file changed, 331 insertions(+), 19 deletions(-)

Pushed to l2-mtd.git. Thanks!

Brian