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

[Christian Riesch]

Hello Brian,

On Mon, May 5, 2014 at 8:14 AM, Christian Riesch
<christian.riesch at omicron.at> wrote:
> Hello Brian,
>
> 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.
Thanks, Christian

>
> 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(-)
>
> --
> 1.7.9.5
>
>
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