From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) by ozlabs.org (Postfix) with ESMTP id CC8782C00D7 for ; Sat, 25 Aug 2012 07:04:21 +1000 (EST) Date: Fri, 24 Aug 2012 14:04:19 -0700 From: Andrew Morton To: Alexandre Bounine Subject: Re: [PATCH] rapidio: apply RX/TX enable to active switch ports only Message-Id: <20120824140419.2b3a9623.akpm@linux-foundation.org> In-Reply-To: <1345559035-25879-2-git-send-email-alexandre.bounine@idt.com> References: <1345559035-25879-1-git-send-email-alexandre.bounine@idt.com> <1345559035-25879-2-git-send-email-alexandre.bounine@idt.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 21 Aug 2012 10:23:55 -0400 Alexandre Bounine 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. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030587Ab2HXVEX (ORCPT ); Fri, 24 Aug 2012 17:04:23 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:54478 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030446Ab2HXVEV (ORCPT ); Fri, 24 Aug 2012 17:04:21 -0400 Date: Fri, 24 Aug 2012 14:04:19 -0700 From: Andrew Morton To: Alexandre Bounine Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Matt Porter Subject: Re: [PATCH] rapidio: apply RX/TX enable to active switch ports only Message-Id: <20120824140419.2b3a9623.akpm@linux-foundation.org> In-Reply-To: <1345559035-25879-2-git-send-email-alexandre.bounine@idt.com> References: <1345559035-25879-1-git-send-email-alexandre.bounine@idt.com> <1345559035-25879-2-git-send-email-alexandre.bounine@idt.com> X-Mailer: Sylpheed 3.0.2 (GTK+ 2.20.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 21 Aug 2012 10:23:55 -0400 Alexandre Bounine 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.