[PATCH 0/3] mtd: fix AMD/Intel flash bugs

[Boris Brezillon]

On Sun, 11 Mar 2018 16:06:03 +0000
Joakim Tjernlund <Joakim.Tjernlund at infinera.com> wrote:

> On Thu, 2018-03-01 at 14:39 +0100, Joakim Tjernlund wrote:
> > This fixes a bug which allows read/write to a erase block currently
> > erasing.
> > Also works around a chip bug in Micron 28F00AP30 chips.
> > 
> > Joakim Tjernlund (3):
> >   cfi_cmdset_0001: Do not allow read/write to suspend erase block.
> >   cfi_cmdset_0001: Workaround Micron Erase suspend bug.
> >   cfi_cmdset_0002: Do not allow read/write to suspend erase block.
> > 
> >  drivers/mtd/chips/cfi_cmdset_0001.c | 33 ++++++++++++++++++++++++++++-----
> >  drivers/mtd/chips/cfi_cmdset_0002.c |  9 ++++++---
> >  include/linux/mtd/flashchip.h       |  1 +
> >  3 files changed, 35 insertions(+), 8 deletions(-)
> >   
> 
> Ping?

You didn't Cc the MTD maintainers, so that's not surprising you don't
get a reply from us :P.

> This is a fairly serious bug as it confuses the flash state machine,
> making further flash access fail.

I'll try to have a look.

> 
>  Jocke
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-- 
Boris Brezillon, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com