Re: [PATCH 4/5] mtd: rawnand: qcom: update BBT related flags

Miquel Raynal
2018-07-18T21:41:58Z

Hi Boris,

Boris Brezillon <boris.brezillon@bootlin.com> wrote on Wed, 18 Jul 2018
23:36:37 +0200:

> On Wed, 18 Jul 2018 23:15:26 +0200
> Miquel Raynal <miquel.raynal@bootlin.com> wrote:
>
> > Hi Abhishek,
> >
> > Abhishek Sahu <absahu@codeaurora.org> wrote on Fri, 6 Jul 2018
> > 13:21:58 +0530:
> >
> > > Remove the NAND_SKIP_BBTSCAN to use RAM based BBT.
> >
> > Unless I am understanding it the wrong way, NAND_SKIP_BBTSCAN will skip
> > the scan of the on-chip BBT and will scan every block to construct a
> > RAM, based BBT thanks to the BBM.
> >
> > So flash based BBT is already unused and removing this flag is a
> > mistake, right?
>
> ->scan_bbt() is also taking care of building the in-RAM BBT based on
> BBM when no on-flash BBT is provided, so I think it's the right thing
> to do.

Oh right. Then doing so is harmless.

Thanks for the clarification.
Miquèl