From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] pata_sis: FIFO whack Date: Mon, 28 May 2007 18:01:53 -0400 Message-ID: <465B5151.4090504@garzik.org> References: <20070525205024.2f83995d@the-village.bc.nu> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:48622 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751490AbXE1WB6 (ORCPT ); Mon, 28 May 2007 18:01:58 -0400 In-Reply-To: <20070525205024.2f83995d@the-village.bc.nu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Cox Cc: linux-kernel@vger.kernel.org, IDE/ATA development list Alan Cox wrote: > If you are using a SiS controller and the BIOS didn't set it up then the > FIFO may be left active when we try and set up the CD. Not convinced this > matters but I'd prefer to be safe > > Signed-off-by: Alan Cox > > diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.22-rc2-mm1/drivers/ata/pata_sis.c linux-2.6.22-rc2-mm1/drivers/ata/pata_sis.c > --- linux.vanilla-2.6.22-rc2-mm1/drivers/ata/pata_sis.c 2007-05-25 17:39:06.000000000 +0100 > +++ linux-2.6.22-rc2-mm1/drivers/ata/pata_sis.c 2007-05-25 18:22:21.000000000 +0100 > @@ -149,6 +149,9 @@ > if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no])) > return -ENOENT; > > + /* Clear the FIFO settings. We can't enable the FIFO until > + we know we are poking at a disk */ > + pci_write_config_byte(pdev, 0x4B, 0); > return ata_std_prereset(ap, deadline); Should I queue this into #upstream (2.6.23) or #upstream-fixes (2.6.22-rc) branch? I lean towards #upstream since it is so late in the 2.6.22-rc cycle, because of your comment "Not convinced this matters". Jeff