linux-kernel - Re: [MTD] how to retrieve all patches related MTD bitflip_threshold from one old version to new one

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Message-ID: <CAFLxGvxKzMqPj0P9YFOLkMQCTb6tU2wxnH_TtcM8BCyDgtg8rQ@mail.gmail.com>
Date:   Tue, 2 May 2017 13:39:13 +0200
From:   Richard Weinberger <richard.weinberger@...il.com>
To:     chrysophoron kit <chrysophoronkit@...il.com>
Cc:     "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [MTD] how to retrieve all patches related MTD bitflip_threshold
 from one old version to new one

chrysophoron kit,

On Tue, May 2, 2017 at 11:51 AM, chrysophoron kit
<chrysophoronkit@...il.com> wrote:
> Hello every MTD export
>
> who knows how to retrieve all patches related MTD be applied from one
> old version kernel
> to new one? for example, we are now using 2.6.39, but we don't want to
> update kernel

And what about security updates?

> vertion to v4.x, we only want to update and install all MTD patches
> related MTD bitflip_threshold.
> becase we now continue using our old drivers based on 2.6.39, but
> found one issue is related to
> ECC bitflip_threshold, which 2.6.39 doesn't involve it. It is
> impossible now to let company update
> kernel version.

Well, if you really want to maintain your own franken-kernel you have
to inspect the git logs between 2.6.39 and mainline and backport
all needed changes. This is not trivial nor a lot of fun.

-- 
Thanks,
//richard