[git pull] IDE fixes for 2.6.29-rc1

From: Bartlomiej Zolnierkiewicz
Date: Wed Jan 14 2009 - 13:39:15 EST



Fixes suspend regression and couple other smaller fall outs,
also adds support for Vortex86SX to it821x host driver.

[ As usual more detailed changelog/credits below. ]


Linus, please pull from:

master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6.git/

to receive the following updates:

Documentation/mips/AU1xxx_IDE.README | 6 +-----
drivers/ide/Kconfig | 5 -----
drivers/ide/ide-disk.c | 2 +-
drivers/ide/ide-iops.c | 2 +-
drivers/ide/ide-pm.c | 12 ++++++++----
drivers/ide/ide-probe.c | 2 +-
drivers/ide/it821x.c | 15 +++++++++++++--
drivers/ide/sl82c105.c | 4 ----
drivers/ide/tx4938ide.c | 1 -
drivers/ide/via82cxxx.c | 2 --
include/linux/ide.h | 2 +-
include/linux/pci_ids.h | 1 +
12 files changed, 27 insertions(+), 27 deletions(-)


Atsushi Nemoto (1):
tx4938ide: Fix build error due to read_sff_dma_status moving

Bartlomiej Zolnierkiewicz (6):
ide: fix accidental LOCKDEP breakage caused by local_irq_set() removal
ide: can't use SSD/non-rotational queue flag for all CFA devices
via82cxxx: fix cable warning message
sl82c105: remove dead code
ide: remove unused CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
ide: fix suspend regression

Ben Dooks (1):
IDE: fix sparse signed-ness errors with host->host_busy

Brandon Philips (2):
it821x: Add ultra_mask quirk for Vortex86SX
it821x.c: use dev->revision instead of pci_read_config_byte


diff --git a/Documentation/mips/AU1xxx_IDE.README b/Documentation/mips/AU1xxx_IDE.README
index f54962a..8ace35e 100644
--- a/Documentation/mips/AU1xxx_IDE.README
+++ b/Documentation/mips/AU1xxx_IDE.README
@@ -52,14 +52,12 @@ Two files are introduced:
b) 'drivers/ide/mips/au1xxx-ide.c'
contains the functionality of the AU1XXX IDE driver

-Four configs variables are introduced:
+Following extra configs variables are introduced:

CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA - enable the PIO+DBDMA mode
CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - enable the MWDMA mode
CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON - set Burstable FIFO in DBDMA
controller
- CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ - maximum transfer size
- per descriptor


SUPPORTED IDE MODES
@@ -87,7 +85,6 @@ CONFIG_BLK_DEV_IDEDMA_PCI=y
CONFIG_IDEDMA_PCI_AUTO=y
CONFIG_BLK_DEV_IDE_AU1XXX=y
CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA=y
-CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ=128
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_IDEDMA_AUTO=y

@@ -105,7 +102,6 @@ CONFIG_BLK_DEV_IDEDMA_PCI=y
CONFIG_IDEDMA_PCI_AUTO=y
CONFIG_BLK_DEV_IDE_AU1XXX=y
CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA=y
-CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ=128
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_IDEDMA_AUTO=y

diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 3f95038..b1c6f68 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -701,11 +701,6 @@ config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
endchoice

-config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
- int "Maximum transfer size (KB) per request (up to 128)"
- default "128"
- depends on BLK_DEV_IDE_AU1XXX
-
config BLK_DEV_IDE_TX4938
tristate "TX4938 internal IDE support"
depends on SOC_TX4938
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 4088a62..806760d 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -633,7 +633,7 @@ static void ide_disk_setup(ide_drive_t *drive)
printk(KERN_INFO "%s: max request size: %dKiB\n", drive->name,
q->max_sectors / 2);

- if (ata_id_is_ssd(id) || ata_id_is_cfa(id))
+ if (ata_id_is_ssd(id))
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, q);

/* calculate drive capacity, and select LBA if possible */
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index e728cfe..753b92e 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -493,7 +493,7 @@ static int __ide_wait_stat(ide_drive_t *drive, u8 good, u8 bad, unsigned long ti
stat = tp_ops->read_status(hwif);

if (stat & ATA_BUSY) {
- local_irq_save(flags);
+ local_save_flags(flags);
local_irq_enable_in_hardirq();
timeout += jiffies;
while ((stat = tp_ops->read_status(hwif)) & ATA_BUSY) {
diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c
index 4b3bf6a..60538d9 100644
--- a/drivers/ide/ide-pm.c
+++ b/drivers/ide/ide-pm.c
@@ -186,12 +186,10 @@ void ide_complete_pm_request(ide_drive_t *drive, struct request *rq)
blk_pm_suspend_request(rq) ? "suspend" : "resume");
#endif
spin_lock_irqsave(q->queue_lock, flags);
- if (blk_pm_suspend_request(rq)) {
+ if (blk_pm_suspend_request(rq))
blk_stop_queue(q);
- } else {
+ else
drive->dev_flags &= ~IDE_DFLAG_BLOCKED;
- blk_start_queue(q);
- }
spin_unlock_irqrestore(q->queue_lock, flags);

drive->hwif->rq = NULL;
@@ -219,6 +217,8 @@ void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
* point.
*/
ide_hwif_t *hwif = drive->hwif;
+ struct request_queue *q = drive->queue;
+ unsigned long flags;
int rc;
#ifdef DEBUG_PM
printk("%s: Wakeup request inited, waiting for !BSY...\n", drive->name);
@@ -231,5 +231,9 @@ void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
rc = ide_wait_not_busy(hwif, 100000);
if (rc)
printk(KERN_WARNING "%s: drive not ready on wakeup\n", drive->name);
+
+ spin_lock_irqsave(q->queue_lock, flags);
+ blk_start_queue(q);
+ spin_unlock_irqrestore(q->queue_lock, flags);
}
}
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 0ccbb44..312127e 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -796,7 +796,7 @@ static int ide_probe_port(ide_hwif_t *hwif)
if (irqd)
disable_irq(hwif->irq);

- local_irq_save(flags);
+ local_save_flags(flags);
local_irq_enable_in_hardirq();

if (ide_port_wait_ready(hwif) == -EBUSY)
diff --git a/drivers/ide/it821x.c b/drivers/ide/it821x.c
index 0be27ac..e1c4f54 100644
--- a/drivers/ide/it821x.c
+++ b/drivers/ide/it821x.c
@@ -68,6 +68,8 @@

#define DRV_NAME "it821x"

+#define QUIRK_VORTEX86 1
+
struct it821x_dev
{
unsigned int smart:1, /* Are we in smart raid mode */
@@ -79,6 +81,7 @@ struct it821x_dev
u16 pio[2]; /* Cached PIO values */
u16 mwdma[2]; /* Cached MWDMA values */
u16 udma[2]; /* Cached UDMA values (per drive) */
+ u16 quirks;
};

#define ATA_66 0
@@ -557,8 +560,7 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
* this is necessary.
*/

- pci_read_config_byte(dev, 0x08, &conf);
- if (conf == 0x10) {
+ if (dev->revision == 0x10) {
idev->timing10 = 1;
hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
if (idev->smart == 0)
@@ -577,6 +579,12 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)

hwif->ultra_mask = ATA_UDMA6;
hwif->mwdma_mask = ATA_MWDMA2;
+
+ /* Vortex86SX quirk: prevent Ultra-DMA mode to fix BadCRC issue */
+ if (idev->quirks & QUIRK_VORTEX86) {
+ if (dev->revision == 0x11)
+ hwif->ultra_mask = 0;
+ }
}

static void it8212_disable_raid(struct pci_dev *dev)
@@ -649,6 +657,8 @@ static int __devinit it821x_init_one(struct pci_dev *dev, const struct pci_devic
return -ENOMEM;
}

+ itdevs->quirks = id->driver_data;
+
rc = ide_pci_init_one(dev, &it821x_chipset, itdevs);
if (rc)
kfree(itdevs);
@@ -668,6 +678,7 @@ static void __devexit it821x_remove(struct pci_dev *dev)
static const struct pci_device_id it821x_pci_tbl[] = {
{ PCI_VDEVICE(ITE, PCI_DEVICE_ID_ITE_8211), 0 },
{ PCI_VDEVICE(ITE, PCI_DEVICE_ID_ITE_8212), 0 },
+ { PCI_VDEVICE(RDC, PCI_DEVICE_ID_RDC_D1010), QUIRK_VORTEX86 },
{ 0, },
};

diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c
index 48cc748..6297956 100644
--- a/drivers/ide/sl82c105.c
+++ b/drivers/ide/sl82c105.c
@@ -310,10 +310,6 @@ static const struct ide_port_info sl82c105_chipset __devinitdata = {
.dma_ops = &sl82c105_dma_ops,
.host_flags = IDE_HFLAG_IO_32BIT |
IDE_HFLAG_UNMASK_IRQS |
-/* FIXME: check for Compatibility mode in generic IDE PCI code */
-#if defined(CONFIG_LOPEC) || defined(CONFIG_SANDPOINT)
- IDE_HFLAG_FORCE_LEGACY_IRQS |
-#endif
IDE_HFLAG_SERIALIZE_DMA |
IDE_HFLAG_NO_AUTODMA,
.pio_mask = ATA_PIO5,
diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c
index b4ef218..d909534 100644
--- a/drivers/ide/tx4938ide.c
+++ b/drivers/ide/tx4938ide.c
@@ -202,7 +202,6 @@ static const struct ide_tp_ops tx4938ide_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
- .read_sff_dma_status = ide_read_sff_dma_status,

.set_irq = ide_set_irq,

diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
index fecc0e0..703c3ee 100644
--- a/drivers/ide/via82cxxx.c
+++ b/drivers/ide/via82cxxx.c
@@ -432,8 +432,6 @@ static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_i
if (via_clock < 20000 || via_clock > 50000) {
printk(KERN_WARNING DRV_NAME ": User given PCI clock speed "
"impossible (%d), using 33 MHz instead.\n", via_clock);
- printk(KERN_WARNING DRV_NAME ": Use ide0=ata66 if you want "
- "to assume 80-wire cable.\n");
via_clock = 33333;
}

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 3644f63..194da5a 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -871,7 +871,7 @@ struct ide_host {
ide_hwif_t *cur_port; /* for hosts requiring serialization */

/* used for hosts requiring serialization */
- volatile long host_busy;
+ volatile unsigned long host_busy;
};

#define IDE_HOST_BUSY 0
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index d543365..d56ad9c 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2174,6 +2174,7 @@
#define PCI_DEVICE_ID_RDC_R6040 0x6040
#define PCI_DEVICE_ID_RDC_R6060 0x6060
#define PCI_DEVICE_ID_RDC_R6061 0x6061
+#define PCI_DEVICE_ID_RDC_D1010 0x1010

#define PCI_VENDOR_ID_LENOVO 0x17aa

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