From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH 1/3] libata: implement dev->acpi_init_gtm Date: Sat, 03 Nov 2007 07:08:34 +0900 Message-ID: <472B9FE2.4050203@gmail.com> References: <472B402A.4030009@gmail.com> <20071102154443.487bf550@the-village.bc.nu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from rv-out-0910.google.com ([209.85.198.184]:53794 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752082AbXKBWIn (ORCPT ); Fri, 2 Nov 2007 18:08:43 -0400 Received: by rv-out-0910.google.com with SMTP id k20so907922rvb for ; Fri, 02 Nov 2007 15:08:43 -0700 (PDT) In-Reply-To: <20071102154443.487bf550@the-village.bc.nu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Cox Cc: Jeff Garzik , IDE/ATA development list Alan Cox wrote: > On Sat, 03 Nov 2007 00:20:10 +0900 > Tejun Heo wrote: > >> Add dev->acpi_init_gtm and store initial GTM values on host >> initialization. If the field is valid, ATA_PFLAG_INIT_GTM_VALID flag >> is set. This is to remember BIOS/firmware programmed initial timing >> for later use before reset and mode configuration modify it. > > Don't you need to clear this on a hotplug event ? It just says the GTM value loaded on driver initialization is valid. The rest is upto the user. -- tejun