From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH 02/13] libata-hp: implement hotplug Date: Fri, 19 May 2006 12:04:40 -0400 Message-ID: <446DEC98.4050200@pobox.com> References: <11480537071808-git-send-email-htejun@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:2218 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S932420AbWESQE6 (ORCPT ); Fri, 19 May 2006 12:04:58 -0400 In-Reply-To: <11480537071808-git-send-email-htejun@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: mlord@pobox.com, albertcc@tw.ibm.com, alan@lxorguk.ukuu.org.uk, axboe@suse.de, forrest.zhao@intel.com, linux-ide@vger.kernel.org Tejun Heo wrote: > Implement ATA part of hotplug. To avoid probing broken devices over > and over again, disabled devices are not automatically detached. They > are detached only if probing is requested for the device or the > associated port is offline. Also, to avoid infinite probing loop, > Each device is probed only once per EH run. > > As SATA PHY status is fragile, devices are detached only after it has > used up its recovery chances unless explicitly requested by LLDD or > user (LLDD may request direct detach if, for example, it supports cold > presence detection). > > Signed-off-by: Tejun Heo ACK 1-2