[RFC PATCH 0/3] Fix proposal for the Micron shallow erase issue

Miquel Raynal miquel.raynal at bootlin.com
Tue Jan 14 01:12:19 PST 2020


Hi Florian,

Florian Fainelli <f.fainelli at gmail.com> wrote on Thu, 2 Jan 2020
10:41:14 -0800:

> On 12/31/19 11:26 AM, Miquel Raynal wrote:
> > Hello,
> > 
> > After a first proposal by Thomas Gleixner and then another proposal by
> > Bean Huo (Micron), this is an attempt to mainline the fix for Micron's
> > "shallow erase" issue. IMHO this is a "pretty way", not so invasive,
> > with a limited performance penalty.
> > 
> > It has only be *compile-tested* and this is just to know if the
> > approach is fine or not, then I will optimize, maybe rewrite a bit and
> > forcibly (ask to) test it.
> > 
> > Happy new year!
> > Miquèl
> > 
> > 
> > Miquel Raynal (3):
> >   mtd: rawnand: Add the nand_chip->erase hook
> >   mtd: rawnand: Add the nand_chip->write_oob hook
> >   mtd: rawnand: micron: Address the shallow erase issue
> > 
> >  data_buf                           | 29099 +++++++++++++++++++++++++++
> >  databuf                            | 29099 +++++++++++++++++++++++++++  
> 
> Those two files above should probably not be part of the patch submission.

Crap. I'll not resend immediately as this is an RFC, I expect
feedback on this proposal before sending an actual patch.


Thanks,
Miquèl



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