From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH 06/12] sata_sil: convert to new reset mechanism Date: Sat, 28 Jan 2006 13:27:59 -0500 Message-ID: <43DBB7AF.1060408@pobox.com> References: <1138089922913-git-send-email-htejun@gmail.com> <43DBB34B.1050302@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail.dvmed.net ([216.237.124.58]:47049 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S932442AbWA1S2E (ORCPT ); Sat, 28 Jan 2006 13:28:04 -0500 In-Reply-To: <43DBB34B.1050302@pobox.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: linux-ide@vger.kernel.org, albertcc@tw.ibm.com Jeff Garzik wrote: > If the driver can access the SATA PHY registers, the very first thing it > should usually do is the code in sata_std_hardreset()... everything > except the 0x301 value write. ...and possibly the device classification. Probably want to do a soft reset, then get the signature. Read the port multiplier spec PM initialization sequence... that is a highly relevant description. Jeff