From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: Port-Multiplier hotplug support: ATA_FLAG_AN Date: Tue, 13 May 2008 19:25:56 -0400 Message-ID: <482A2384.8000306@pobox.com> References: <482A1B41.50507@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:49214 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756594AbYEMX0E (ORCPT ); Tue, 13 May 2008 19:26:04 -0400 In-Reply-To: <482A1B41.50507@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: Tejun Heo , Alan Cox , IDE/ATA development list Mark Lord wrote: > Tejun, > > Apparently the newer (GenIIe) sata_mv chips *can* support asynchronous > notification without problems. Some/all of the older ones cannot (errata). > > So, I've done the one-liner change in sata_mv, to add ATA_FLAG_AN to > the 7042 and 6042 chips, and it all seems to work rather nicely. > > Am I missing something? Is there any other local code to sata_mv > that should be provided before setting ATA_FLAG_AN ? > > Like I said, it works, but I just want to check whether any other > pieces are expected to be present? Did you check ATAPI or just PMP AN? Jeff