From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] ahci: fix notification handling Date: Tue, 09 Oct 2007 21:41:23 -0400 Message-ID: <470C2DC3.7030604@garzik.org> References: <20071009060223.GK12186@htj.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:41749 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754067AbXJJBlZ (ORCPT ); Tue, 9 Oct 2007 21:41:25 -0400 In-Reply-To: <20071009060223.GK12186@htj.dyndns.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: linux-ide@vger.kernel.org, Kristen Carlson Accardi Tejun Heo wrote: > Asynchronous notification on ICH9 didn't work because it didn't write > AN FIS into the RX area - it only updates SNotification. Also, > snooping SDB_FIS RX area is racy against further SDB FIS receptions. > Let sata_async_notification() determine using SNTF if it's available > and snoop RX area iff SNTF isn't available > > Signed-off-by: Tejun Heo > Cc: Kristen Carlson Accardi > --- > drivers/ata/ahci.c | 30 +++++++++++++++++++++--------- > 1 files changed, 21 insertions(+), 9 deletions(-) applied