[RESEND PATCH v3] mtd: spi-nor: Add support for S3AN spi-nor devices

[Brian Norris]

On Tue, Jun 28, 2016 at 11:25:11AM +0200, Ricardo Ribalda Delgado wrote:
> Xilinx Spartan-3AN FPGAs contain an In-System Flash where they keep
> their configuration data and (optionally) some user data.
> 
> The protocol of this flash follows most of the spi-nor standard. With
> the following differences:
> 
> - Page size might not be a power of two.
> - The address calculation (default addressing mode).
> - The spi nor commands used.
> 
> Protocol is described on Xilinx User Guide UG333
> 
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda at gmail.com>
> ---
> 
> v3: 
> -Rebase on top of mtd-next
> -Rename ADDR_NATIVE to ADDR_DEFAULT to follow UG333 naming
> -Fix bug on probe
> 
> v2: Suggested by Brian Norris <computersforpeace at gmail.com>
> 
> -Remove inline qualifier
> -Improve documentation of Default Addressing Mode
> -Convert function callbacks into SNOR_F_
> -Fix missmatch braces
> -Improve documentation of SPI_S3AN flag
> 
>  drivers/mtd/devices/m25p80.c  |   3 ++
>  drivers/mtd/spi-nor/spi-nor.c | 110 ++++++++++++++++++++++++++++++++++++++++--
>  include/linux/mtd/spi-nor.h   |  26 ++++++++++
>  3 files changed, 136 insertions(+), 3 deletions(-)

This still doesn't apply to l2-mtd.git / linux-next.git. If I get time,
I'll see how easily I can fix that up myself.