linux-kernel - Re: [PATCH v3 1/4] mtd: rawnand: nand_bbt: hide suspend/resume hooks while scanning bbt

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Message-ID: <20211020110303.6f21c057@collabora.com>
Date:   Wed, 20 Oct 2021 11:03:03 +0200
From:   Boris Brezillon <boris.brezillon@...labora.com>
To:     Sean Nyekjaer <sean@...nix.com>
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Boris Brezillon <bbrezillon@...nel.org>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/4] mtd: rawnand: nand_bbt: hide suspend/resume
 hooks while scanning bbt

On Wed, 20 Oct 2021 11:01:32 +0200
Sean Nyekjaer <sean@...nix.com> wrote:

> On Wed, Oct 20, 2021 at 10:53:26AM +0200, Boris Brezillon wrote:
> > On Wed, 20 Oct 2021 10:45:31 +0200
> > Sean Nyekjaer <sean@...nix.com> wrote:
> >   
> > > From: Boris Brezillon <boris.brezillon@...labora.com>
> > > 
> > > The BBT scan logic use the MTD helpers before the MTD layer had a
> > > chance to initialize the device, and that leads to issues when
> > > accessing the uninitialized suspend lock. Let's temporarily set the
> > > suspend/resume hooks to NULL to skip the lock acquire/release step.
> > > 
> > > Fixes: 013e6292aaf5 ("mtd: rawnand: Simplify the locking")
> > > Tested-by: Sean Nyekjaer <sean@...nix.com>  
> > 
> > It's missing our Signed-off-by tags.
> >   
> 
> Patch is from you ;)
> If you are okay with it, I will add your Signed-off-by tag.

You should add both (mine and yours).