linux-kernel - Re: v4.4-stable: GPMI nand controller broken

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Message-ID: <20180504221231.GB20328@kroah.com>
Date:   Fri, 4 May 2018 15:12:31 -0700
From:   Greg KH <greg@...ah.com>
To:     Sascha Hauer <s.hauer@...gutronix.de>
Cc:     linux-mtd@...ts.infradead.org, stable@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...gutronix.de
Subject: Re: v4.4-stable: GPMI nand controller broken

On Fri, May 04, 2018 at 08:56:21AM +0200, Sascha Hauer wrote:
> The following went into v4.4.120:
> 
> 197190bc5c48 mtd: nand: gpmi: Fix failure when a erased page has a bitflip at BBM
> 
> This patch was backported to far for the stable tree. It only makes sense
> (and only works) together with:
> 
> bd2e778c9ee3 gpmi-nand: Handle ECC Errors in erased pages
> 
> which first appeared in v4.7.
> 
> So either we revert 197190bc5c48 on the v4.4 stable tree or we apply the
> attached patch which is a backport of bd2e778c9ee3 for v4.4.
> 
> I don't know which solution is prefered, personally I would prefer
> applying the attached patch which is also a bugfix. Without it erased
> pages may not be handled properly.

I've now applied this bugfix, thanks!

greg k-h