From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [PATCH 13/18] ide: use ->tf_load in SELECT_DRIVE() Date: Sun, 15 Feb 2009 23:25:27 +0300 Message-ID: <49987A37.9000300@ru.mvista.com> References: <20080620213323.13202.71450.sendpatchset@localhost.localdomain> <20080620213451.13202.12671.sendpatchset@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from gateway-1237.mvista.com ([63.81.120.155]:36174 "EHLO imap.sh.mvista.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752631AbZBOUZF (ORCPT ); Sun, 15 Feb 2009 15:25:05 -0500 In-Reply-To: <20080620213451.13202.12671.sendpatchset@localhost.localdomain> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Bartlomiej Zolnierkiewicz Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Bartlomiej Zolnierkiewicz wrote: > Convert SELECT_DRIVE() to use ->tf_load instead of ->OUTB. > There should be no functional changes caused by this patch. > Signed-off-by: Bartlomiej Zolnierkiewicz > Index: b/drivers/ide/ide-iops.c > =================================================================== > --- a/drivers/ide/ide-iops.c > +++ b/drivers/ide/ide-iops.c > @@ -88,11 +88,15 @@ void SELECT_DRIVE (ide_drive_t *drive) > { > ide_hwif_t *hwif = drive->hwif; > const struct ide_port_ops *port_ops = hwif->port_ops; > + ide_task_t task; > > if (port_ops && port_ops->selectproc) > port_ops->selectproc(drive); > > - hwif->OUTB(drive->select.all, hwif->io_ports.device_addr); > + memset(&task, 0, sizeof(task)); > + task.tf_flags = IDE_TFLAG_OUT_DEVICE; > + > + drive->hwif->tf_load(drive, &task); This actually doesn't seem like a bright idea to me, considering that this gets called when starting every request. How will you look at me adding the transport method for writing this register? :-) MBR, Sergei