[PATCH] RapidIO: Fix use of non-compatible registers

[Andrew Morton]

On Tue, 26 Jul 2011 14:07:26 -0400
Alexandre Bounine <alexandre.bounine at idt.com> wrote:

> Replace/remove use of RIO v.1.2 registers/bits that are not forward-compatible
> with newer versions of RapidIO specification.
> 
> RapidIO specification v. 1.3 removed Write Port CSR, Doorbell CSR,
> Mailbox CSR and Mailbox and Doorbell bits of the PEF CAR.
> 
> Signed-off-by: Alexandre Bounine <alexandre.bounine at idt.com>
> Cc: Kumar Gala <galak at kernel.crashing.org>
> Cc: Matt Porter <mporter at kernel.crashing.org>
> Cc: Li Yang <leoli at freescale.com>
> Cc: Thomas Moll <thomas.moll at sysgo.com>
> Cc: Chul Kim <chul.kim at idt.com>
> Cc: <stable at kernel.org>

You did a cc:stable but provided no reason (that I can understand) for
backporting the patch.  Please explain why the problem is sufficiently
serious to warrant this action.