From: Chris Wright <chrisw@sous-sol.org>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: Justin Forbes <jmforbes@linuxtx.org>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
"Theodore Ts'o" <tytso@mit.edu>,
Randy Dunlap <rdunlap@xenotime.net>,
Dave Jones <davej@redhat.com>,
Chuck Wolber <chuckw@quantumlinux.com>,
Chris Wedgwood <reviews@ml.cw.f00f.org>,
torvalds@osdl.org, akpm@osdl.org, alan@lxorguk.ukuu.org.uk,
Albert Lee <albertcc@tw.ibm.com>, Tejun Heo <htejun@gmail.com>,
Jeff Garzik <jgarzik@pobox.com>
Subject: [PATCH 19/25] libata: minor patch for ATA_DFLAG_PIO
Date: Tue, 27 Jun 2006 00:00:19 -0700 [thread overview]
Message-ID: <20060627201606.534265000@sous-sol.org> (raw)
In-Reply-To: 20060627200745.771284000@sous-sol.org
[-- Attachment #1: libata-minor-patch-for-ata_dflag_pio.patch --]
[-- Type: text/plain, Size: 1600 bytes --]
-stable review patch. If anyone has any objections, please let us know.
------------------
From: Tejun Heo <htejun@gmail.com>
- With 2.6.17 libata, some PIO-only devices are given DMA commands.
Changes:
- Do not clear the ATA_DFLAG_PIO flag in ata_dev_configure().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
---
drivers/scsi/libata-core.c | 2 +-
include/linux/libata.h | 9 ++++++---
2 files changed, 7 insertions(+), 4 deletions(-)
--- linux-2.6.17.1.orig/drivers/scsi/libata-core.c
+++ linux-2.6.17.1/drivers/scsi/libata-core.c
@@ -1229,7 +1229,7 @@ static int ata_dev_configure(struct ata_
id[84], id[85], id[86], id[87], id[88]);
/* initialize to-be-configured parameters */
- dev->flags = 0;
+ dev->flags &= ~ATA_DFLAG_CFG_MASK;
dev->max_sectors = 0;
dev->cdb_len = 0;
dev->n_sectors = 0;
--- linux-2.6.17.1.orig/include/linux/libata.h
+++ linux-2.6.17.1/include/linux/libata.h
@@ -120,9 +120,12 @@ enum {
ATA_SHT_USE_CLUSTERING = 1,
/* struct ata_device stuff */
- ATA_DFLAG_LBA48 = (1 << 0), /* device supports LBA48 */
- ATA_DFLAG_PIO = (1 << 1), /* device currently in PIO mode */
- ATA_DFLAG_LBA = (1 << 2), /* device supports LBA */
+ ATA_DFLAG_LBA = (1 << 0), /* device supports LBA */
+ ATA_DFLAG_LBA48 = (1 << 1), /* device supports LBA48 */
+
+ ATA_DFLAG_CFG_MASK = (1 << 8) - 1,
+
+ ATA_DFLAG_PIO = (1 << 8), /* device currently in PIO mode */
ATA_DEV_UNKNOWN = 0, /* unknown device */
ATA_DEV_ATA = 1, /* ATA device */
--
next prev parent reply other threads:[~2006-06-27 20:21 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-27 20:07 [PATCH 00/25] -stable review Chris Wright
2006-06-27 7:00 ` [PATCH 01/25] USB: Whiteheat: fix firmware spurious errors Chris Wright
2006-06-27 7:00 ` [PATCH 02/25] SERIAL: PARPORT_SERIAL should depend on SERIAL_8250_PCI Chris Wright
2006-06-27 7:00 ` [PATCH 03/25] IPV6: Sum real space for RTAs Chris Wright
2006-06-27 7:00 ` [PATCH 04/25] PFKEYV2: Fix inconsistent typing in struct sadb_x_kmprivate Chris Wright
2006-06-27 7:00 ` [PATCH 05/25] SCTP: Limit association max_retrans setting in setsockopt Chris Wright
2006-06-27 7:00 ` [PATCH 06/25] SCTP: Reject sctp packets with broadcast addresses Chris Wright
2006-06-27 7:00 ` [PATCH 07/25] SCTP: Reset rtt_in_progress for the chunk when processing its sack Chris Wright
2006-06-27 7:00 ` [PATCH 08/25] SCTP: Send only 1 window update SACK per message Chris Wright
2006-06-27 7:00 ` [PATCH 09/25] SCTP: Fix persistent slowdown in sctp when a gap ack consumes rx buffer Chris Wright
2006-06-27 7:00 ` [PATCH 10/25] ETHTOOL: Fix UFO typo Chris Wright
2006-06-27 7:00 ` [PATCH 11/25] SPARC32: Fix iommu_flush_iotlb end address Chris Wright
2006-06-27 7:00 ` [PATCH 12/25] NTFS: Critical bug fix (affects MIPS and possibly others) Chris Wright
2006-06-27 7:00 ` [PATCH 13/25] x86: compile fix for asm-i386/alternatives.h Chris Wright
2006-06-27 7:00 ` [PATCH 14/25] bcm43xx: init fix for possible Machine Check Chris Wright
2006-06-27 7:00 ` [PATCH 15/25] UML: fix uptime Chris Wright
2006-06-27 7:00 ` [PATCH 16/25] IPV6: Fix source address selection Chris Wright
2006-06-27 7:00 ` [PATCH 17/25] IPV6 ADDRCONF: Fix default source address selection without CONFIG_IPV6_PRIVACY Chris Wright
2006-06-27 7:00 ` [PATCH 18/25] ohci1394: Fix broken suspend/resume in ohci1394 Chris Wright
2006-06-27 22:07 ` Stefan Richter
2006-06-28 16:42 ` [stable] " Chris Wright
2006-06-27 7:00 ` Chris Wright [this message]
2006-06-27 7:00 ` [PATCH 20/25] ide-io: increase timeout value to allow for slave wakeup Chris Wright
2006-06-27 7:00 ` [PATCH 21/25] kbuild: Fix 100% initramfs bloat in 2.6.17 versus 2.6.16 Chris Wright
2006-06-29 21:34 ` [stable] " Chris Wright
2006-06-29 21:43 ` Nix
2006-06-29 21:46 ` Chris Wright
2006-06-27 7:00 ` [PATCH 22/25] Link error when futexes are disabled on 64bit architectures Chris Wright
2006-06-27 7:00 ` [PATCH 23/25] idr: fix race in idr code Chris Wright
2006-06-27 7:00 ` [PATCH 24/25] Input: return correct size when reading modalias attribute Chris Wright
2006-06-27 7:00 ` [PATCH 25/25] generic_file_buffered_write(): deadlock on vectored write Chris Wright
2006-06-29 18:24 ` [stable] " Chris Wright
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