From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: sata_mv & pmp support Date: Thu, 17 Apr 2008 07:19:43 +0900 Message-ID: <48067B7F.1030702@gmail.com> References: <47FA4AFF.2010209@gmail.com> <48003C04.4040508@garzik.org> <48023462.1050305@rtr.ca> <4803C429.6070201@rtr.ca> <4803C850.9010901@rtr.ca> <48040DC8.1050907@gmail.com> <48050904.1040808@rtr.ca> <48050CA1.5010800@rtr.ca> <48052E08.5040306@gmail.com> <480531DB.3020602@rtr.ca> <48055E7C.1060004@rtr.ca> <48056016.6020900@gmail.com> <4805F4E6.7020903@rtr.ca> <48061E10.4000604@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from wf-out-1314.google.com ([209.85.200.172]:39452 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751803AbYDPWTt (ORCPT ); Wed, 16 Apr 2008 18:19:49 -0400 Received: by wf-out-1314.google.com with SMTP id 28so2581617wff.4 for ; Wed, 16 Apr 2008 15:19:49 -0700 (PDT) In-Reply-To: <48061E10.4000604@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: Jeff Garzik , IDE/ATA development list Mark Lord wrote: >> So I ought to be able to insert (for debug purposes only) a msleep(3000) >> at an appropriate location in the code, and suddenly see this problem >> go away? >> >> Not for upstream -- the eventual hotplug support in sata_mv is the >> real solution. >> But just to confirm that this is indeed the issue. > .. > > Heh.. darned near exactly 3 seconds does it, alright. Heh... 3 secs sounds right. Yeah, that was the slowest I've ever seen. Maybe we need to extend reset timings. > Okay, I won't fuss over this for now -- it works if the PM is plugged in > at boot (because the BIOS fiddles it first), and it works when warmplugged > so long as sata_mv is unloaded and reloaded. > > This will get fixed completely with the hotplug support fixes coming > later this week. Great. -- tejun