From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH 04/15] libata-pmp: extend ACPI support to cover PMP Date: Fri, 13 Jul 2007 12:05:24 +0900 Message-ID: <4696EBF4.4020907@gmail.com> References: <11832872541728-git-send-email-htejun@gmail.com> <46968E0B.9090307@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from py-out-1112.google.com ([64.233.166.181]:36927 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754778AbXGMDF3 (ORCPT ); Thu, 12 Jul 2007 23:05:29 -0400 Received: by py-out-1112.google.com with SMTP id d32so538286pye for ; Thu, 12 Jul 2007 20:05:29 -0700 (PDT) In-Reply-To: <46968E0B.9090307@garzik.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: Alan Cox , linux-ide@vger.kernel.org, Forrest Zhao Jeff Garzik wrote: > Tejun Heo wrote: >> Extend ata_acpi_associate_sata_port() such that it can handle PMP and >> call it when PMP is attached and detached. >> >> Signed-off-by: Tejun Heo > > Though not your fault, I predict much puking of BIOS code, when PMP are > attached and suspend/whatever ACPI-related. I doubt ACPI writers take > PMP into account. In most cases, ACPI just would be disabled when PMP is attached and reenabled when detached, so it should be generally okay. I'm not sure if anyone would implement PMP ACPI methods but at least one vendor is selling a motherboard with on-board PMP, so maybe.... -- tejun