linux-kernel - Re: [PATCH] rapidio: apply RX/TX enable to active switch ports only

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Message-Id: <20120824140419.2b3a9623.akpm@linux-foundation.org>
Date:	Fri, 24 Aug 2012 14:04:19 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Alexandre Bounine <alexandre.bounine@....com>
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	Matt Porter <mporter@...nel.crashing.org>
Subject: Re: [PATCH] rapidio: apply RX/TX enable to active switch ports only

On Tue, 21 Aug 2012 10:23:55 -0400
Alexandre Bounine <alexandre.bounine@....com> wrote:

> Modify RIO enumeration to apply RX/TX enable operations only to active
> switch ports. This will leave inactive ports in condition consistent with
> their state.

It's unclear (to me) what the effects of this are.  Does it fix some
user-visible malfunction?  Or is it just some nice-to-have thing?  Or
what?

> This patch is applicable to kernel versions starting from v2.6.35.

Is that a recommendation that such a backport be performed?  If so,
please provide the reasoning.
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