[RFC] mtd: nand: Add a STATUS CMD after write verification

[Artem Bityutskiy]

On Wed, 2012-04-18 at 12:25 +0200, Bastian Hecht wrote:
> 2012/4/18 Bastian Hecht <hechtb at googlemail.com>:
> > When using CONFIG_MTD_NAND_VERIFY_WRITE=y an extra read command is sent
> > to the NAND chip after writing a page. We need an extra status command
> > to avoid hick-ups that lead to page write failures.
> > ---
> >
> > Hello all,
> >
> > I'm experiencing problems with my current setup and
> > CONFIG_MTD_NAND_VERIFY_WRITE=y. Usually the command sequence is like
> > 0x70            Status read
> > 0x80 0x10       Page prog
> > 0x70
> > 0x80 0x10       Page prog
> > 0x70
> > ...
> >
> > When activating write verification there is a read command before the
> > page prog.
> 
> I've written this unclearly. I mean if we issue multiple page writes,
> the page writes are not preceeded by a status read, but by a page read
> command from the last verification.

Looks good to me. Could you send the final patch with final commit
message. Probably a small comment in the code is also a good idea.

-- 
Best Regards,
Artem Bityutskiy
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: This is a digitally signed message part
URL: <http://lists.infradead.org/pipermail/linux-mtd/attachments/20120427/b8eccc3e/attachment.sig>