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Message-ID: <20090715030957.GA32701@havoc.gtf.org>
Date: Tue, 14 Jul 2009 23:09:57 -0400
From: Jeff Garzik <jeff@...zik.org>
To: Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-ide@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: [git patches] libata fixes
Please pull from 'upstream-linus' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git upstream-linus
to receive the following updates:
drivers/ata/ahci.c | 1 +
drivers/ata/libata-core.c | 20 ++++++++++++++++++--
drivers/ata/libata-eh.c | 4 ++++
drivers/ata/pata_at91.c | 3 ++-
include/linux/libata.h | 1 +
5 files changed, 26 insertions(+), 3 deletions(-)
Julia Lawall (1):
drivers/ata: Move a dereference below a NULL test
Mark Goodwin (1):
ahci: add device ID for 82801JI sata controller
Tejun Heo (2):
libata: fix follow-up SRST failure path
libata: implement and use HORKAGE_NOSETXFER, take#2
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 15a2303..336eb1e 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -513,6 +513,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
{ PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
{ PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
+ { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
{ PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
{ PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 045a486..2c6aeda 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3392,17 +3392,27 @@ int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel)
static int ata_dev_set_mode(struct ata_device *dev)
{
+ struct ata_port *ap = dev->link->ap;
struct ata_eh_context *ehc = &dev->link->eh_context;
+ const bool nosetxfer = dev->horkage & ATA_HORKAGE_NOSETXFER;
const char *dev_err_whine = "";
int ign_dev_err = 0;
- unsigned int err_mask;
+ unsigned int err_mask = 0;
int rc;
dev->flags &= ~ATA_DFLAG_PIO;
if (dev->xfer_shift == ATA_SHIFT_PIO)
dev->flags |= ATA_DFLAG_PIO;
- err_mask = ata_dev_set_xfermode(dev);
+ if (nosetxfer && ap->flags & ATA_FLAG_SATA && ata_id_is_sata(dev->id))
+ dev_err_whine = " (SET_XFERMODE skipped)";
+ else {
+ if (nosetxfer)
+ ata_dev_printk(dev, KERN_WARNING,
+ "NOSETXFER but PATA detected - can't "
+ "skip SETXFER, might malfunction\n");
+ err_mask = ata_dev_set_xfermode(dev);
+ }
if (err_mask & ~AC_ERR_DEV)
goto fail;
@@ -4297,6 +4307,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
/* Devices which aren't very happy with higher link speeds */
{ "WD My Book", NULL, ATA_HORKAGE_1_5_GBPS, },
+ /*
+ * Devices which choke on SETXFER. Applies only if both the
+ * device and controller are SATA.
+ */
+ { "PIONEER DVD-RW DVRTD08", "1.00", ATA_HORKAGE_NOSETXFER },
+
/* End Marker */
{ }
};
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index fa22f94..1a07c06 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2517,6 +2517,10 @@ int ata_eh_reset(struct ata_link *link, int classify,
ata_eh_about_to_do(link, NULL, ATA_EH_RESET);
rc = ata_do_reset(link, reset, classes, deadline, true);
+ if (rc) {
+ failed_link = link;
+ goto fail;
+ }
}
} else {
if (verbose)
diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c
index 4b27617..8561a9f 100644
--- a/drivers/ata/pata_at91.c
+++ b/drivers/ata/pata_at91.c
@@ -312,11 +312,12 @@ err_ide_ioremap:
static int __devexit pata_at91_remove(struct platform_device *pdev)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
- struct at91_ide_info *info = host->private_data;
+ struct at91_ide_info *info;
struct device *dev = &pdev->dev;
if (!host)
return 0;
+ info = host->private_data;
ata_host_detach(host);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 3d501db..79b6d7f 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -385,6 +385,7 @@ enum {
not multiple of 16 bytes */
ATA_HORKAGE_FIRMWARE_WARN = (1 << 12), /* firmware update warning */
ATA_HORKAGE_1_5_GBPS = (1 << 13), /* force 1.5 Gbps */
+ ATA_HORKAGE_NOSETXFER = (1 << 14), /* skip SETXFER, SATA only */
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */
--
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