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

Joakim Tjernlund Joakim.Tjernlund at infinera.com
Thu Mar 15 10:55:57 PDT 2018


On Thu, 2018-03-15 at 16:54 +0100, Boris Brezillon wrote:
> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.
> 
> 
> 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.

I find it more surprising that the MTD maintainers doesn't read the MTD list ? I figured
this was a requirement.

> 
> > 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.

Thanks


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