From mboxrd@z Thu Jan 1 00:00:00 1970 From: viresh kumar Subject: Re: ata: hotplug not working with arasan CF controller driver Date: Thu, 2 Dec 2010 16:11:20 +0530 Message-ID: <4CF777D0.4010603@st.com> References: <4CECA643.2010005@st.com> <4CEFED92.7050701@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from eu1sys200aog110.obsmtp.com ([207.126.144.129]:44032 "EHLO eu1sys200aog110.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752838Ab0LBKle (ORCPT ); Thu, 2 Dec 2010 05:41:34 -0500 In-Reply-To: <4CEFED92.7050701@kernel.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: "linux-ide@vger.kernel.org" On 11/26/2010 10:55 PM, Tejun Heo wrote: > You gotta tell EH that the device needs rescanning. When you detect a > hotplug event, call ata_ehi_hotplugged() followed by > ata_port_freeze(). Tejun, Do you want to say, we need to call above routines for both hotplugging events: card insert and remove?? Actually i am getting following messages on insert: ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen ata1: soft resetting link ata1.00: CFA: TRANSCEND, 20091215, max UDMA/66 ata1.00: 62537328 sectors, multi 0: LBA ata1.00: configured for PIO6 ata1.00: configured for PIO6 ata1: EH complete scsi 0:0:0:0: Direct-Access ATA TRANSCEND 2009 PQ: 0 ANSI: 5 sd 0:0:0:0: [sda] 62537328 512-byte logical blocks: (32.0 GB/29.8 GiB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA sda: sd 0:0:0:0: Attached scsi generic sg0 type 0 sda1 sd 0:0:0:0: [sda] Attached SCSI disk and following messages on card remove: ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen ata1: soft resetting link ata1.00: revalidation failed (errno=-2) ata1: soft resetting link ata1.00: revalidation failed (errno=-2) ata1: soft resetting link ata1.00: revalidation failed (errno=-2) ata1.00: disabled ata1: soft resetting link ata1: EH complete ata1.00: detaching (SCSI 0:0:0:0) sd 0:0:0:0: [sda] Stopping disk sd 0:0:0:0: [sda] START_STOP FAILED sd 0:0:0:0: [sda] Result: hostbyte=0x04 driverbyte=0x00 For me, card insertion messages are fine, but I am not sure if card removal messages are fine?? -- viresh