Re: [PATCH v3 16/52] mtd: nand: use mtd_set_ecclayout() where appropriate

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On Sat, 5 Mar 2016 09:53:37 +0100
Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> wrote:

> Hi Brian,
> 
> On Fri, 4 Mar 2016 18:26:21 -0800
> Brian Norris <computersforpeace@xxxxxxxxx> wrote:
> 
> > On Fri, Feb 26, 2016 at 01:57:24AM +0100, Boris Brezillon wrote:
> > > Use the mtd_set_ecclayout() helper instead of directly assigning the
> > > mtd->ecclayout field.
> > > 
> > > Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
> > > ---
> > >  drivers/mtd/nand/nand_base.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
> > > index 17504f2..5093a3c 100644
> > > --- a/drivers/mtd/nand/nand_base.c
> > > +++ b/drivers/mtd/nand/nand_base.c
> > > @@ -4288,7 +4288,7 @@ int nand_scan_tail(struct mtd_info *mtd)
> > >  		ecc->write_oob_raw = ecc->write_oob;
> > >  
> > >  	/* propagate ecc info to mtd_info */
> > > -	mtd->ecclayout = ecc->layout;
> > > +	mtd_set_ecclayout(mtd, ecc->layout);
> > 
> > I'm having trouble applying this one. For the life of me, I can't figure
> > out where you got this context from. This block only appears much later
> > in nand_scan_tail()...
> > 
> 
> Patch 7 has moved this section upper in the function to avoid problems
> when calculating the number of available/free OOB bytes.
> 
> > Do you think you could post a git tree with your intended changes? I may
> > just try to pull something in like that instead.
> 
> Yep, it's there [1].

Forgot to paste the link.

> Note that this branch contains the two fixes I
> talked about with Harvey and Stephan. I also made a few changes to use
> ecc->total instead of calculating (ecc->steps * ecc->bytes).

I'll probably also send a v4 with the fixes squashed in patch 5 and 7,
just for the record.

> 
> > 
> > BTW, I'm not sure the OMAP refactorings are going to come in time, but I
> > was planning to pull those directly from the TI folks (i.e., they won't
> > be rebased on l2-mtd.git), since there's some intermingling of platform
> > changes there. I think I can fix the conflicts fine, but FYI.
> 
> Okay, then I'll let you deal with those conflicts. I can check your
> conflict resolution if you're unsure.
> 
> Thanks,
> 
> Boris
> 
> 

[1]https://github.com/bbrezillon/linux-0day/tree/nand/ecclayout


-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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