From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: [PATCH] libata: device suspend/resume Date: Tue, 24 May 2005 09:59:54 +0200 Message-ID: <20050524075953.GY9855@suse.de> References: <20050523201535.GA24298@havoc.gtf.org> <1116880875.5021.34.camel@mulgrave> <20050523204516.GA28058@havoc.gtf.org> <1116886206.5021.42.camel@mulgrave> <20050524062128.GT9855@suse.de> <4292CF5D.90809@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from ns.virtualhost.dk ([195.184.98.160]:54489 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S261422AbVEXIAF (ORCPT ); Tue, 24 May 2005 04:00:05 -0400 Content-Disposition: inline In-Reply-To: <4292CF5D.90809@pobox.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: James Bottomley , SCSI Mailing List , linux-ide@vger.kernel.org On Tue, May 24 2005, Jeff Garzik wrote: > The SCSI layer needs to issue the START STOP UNIT command in response to > a suspend event, and libata-scsi will (per SAT spec) translate that into > the ATA standby command. Merely following the relevant SCSI+SAT+ATA > standards gets us there. BTW, you also need to set host/device modes on resume. Where do you propose to do that currently, without the LLD hook? -- Jens Axboe