Merge ../linux-2.6/

Conflicts:

	drivers/scsi/aacraid/comminit.c

Fixed up by removing the now renamed CONFIG_IOMMU option from
aacraid

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

7 files changed, 28 insertions, 49 deletions

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index a5017de72da..f033d732f38 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -37,7 +37,7 @@
  * Version 1.15		convert all calls to ide_raw_taskfile
  *				since args will return register content.
  * Version 1.16		added suspend-resume-checkpower
- * Version 1.17		do flush on standy, do flush on ATA < ATA6
+ * Version 1.17		do flush on standby, do flush on ATA < ATA6
  *			fix wcache setup.
  */
 
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 622a55c72f0..935cb258377 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -959,7 +959,7 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
 			printk(KERN_WARNING "%s: bus not ready on wakeup\n", drive->name);
 		SELECT_DRIVE(drive);
 		HWIF(drive)->OUTB(8, HWIF(drive)->io_ports[IDE_CONTROL_OFFSET]);
-		rc = ide_wait_not_busy(HWIF(drive), 10000);
+		rc = ide_wait_not_busy(HWIF(drive), 100000);
 		if (rc)
 			printk(KERN_WARNING "%s: drive not ready on wakeup\n", drive->name);
 	}
@@ -1665,7 +1665,7 @@ irqreturn_t ide_intr (int irq, void *dev_id, struct pt_regs *regs)
  *	Initialize a request before we fill it in and send it down to
  *	ide_do_drive_cmd. Commands must be set up by this function. Right
  *	now it doesn't do a lot, but if that changes abusers will have a
- *	nasty suprise.
+ *	nasty surprise.
  */
 
 void ide_init_drive_cmd (struct request *rq)
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 16a143133f9..7ddb1182873 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -485,7 +485,7 @@ static u8 ide_dump_ata_status(ide_drive_t *drive, const char *msg, u8 stat)
 	unsigned long flags;
 	u8 err = 0;
 
-	local_irq_set(flags);
+	local_irq_save(flags);
 	printk("%s: %s: status=0x%02x { ", drive->name, msg, stat);
 	if (stat & BUSY_STAT)
 		printk("Busy ");
@@ -567,7 +567,7 @@ static u8 ide_dump_atapi_status(ide_drive_t *drive, const char *msg, u8 stat)
 
 	status.all = stat;
 	error.all = 0;
-	local_irq_set(flags);
+	local_irq_save(flags);
 	printk("%s: %s: status=0x%02x { ", drive->name, msg, stat);
 	if (status.b.bsy)
 		printk("Busy ");
diff --git a/drivers/ide/ide-timing.h b/drivers/ide/ide-timing.h
index 2fcfac6e967..c0864b1e922 100644
--- a/drivers/ide/ide-timing.h
+++ b/drivers/ide/ide-timing.h
@@ -220,6 +220,12 @@ static int ide_timing_compute(ide_drive_t *drive, short speed, struct ide_timing
 		return -EINVAL;
 
 /*
+ * Copy the timing from the table.
+ */
+
+	*t = *s;
+
+/*
  * If the drive is an EIDE drive, it can tell us it needs extended
  * PIO/MWDMA cycle timing.
  */
@@ -247,7 +253,7 @@ static int ide_timing_compute(ide_drive_t *drive, short speed, struct ide_timing
  * Convert the timing to bus clock counts.
  */
 
-	ide_timing_quantize(s, t, T, UT);
+	ide_timing_quantize(t, t, T, UT);
 
 /*
  * Even in DMA/UDMA modes we still use PIO access for IDENTIFY, S.M.A.R.T
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index 6e9dbf4d807..85007cb12c5 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -75,6 +75,7 @@ static struct amd_ide_chip {
 	{ PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE,	0x50, AMD_UDMA_133 },
 	{ PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE,	0x50, AMD_UDMA_133 },
 	{ PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE,	0x50, AMD_UDMA_133 },
+	{ PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE,	0x50, AMD_UDMA_133 },
 	{ PCI_DEVICE_ID_AMD_CS5536_IDE,			0x40, AMD_UDMA_100 },
 	{ 0 }
 };
@@ -490,7 +491,8 @@ static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
 	/* 15 */ DECLARE_NV_DEV("NFORCE-MCP51"),
 	/* 16 */ DECLARE_NV_DEV("NFORCE-MCP55"),
 	/* 17 */ DECLARE_NV_DEV("NFORCE-MCP61"),
-	/* 18 */ DECLARE_AMD_DEV("AMD5536"),
+	/* 18 */ DECLARE_NV_DEV("NFORCE-MCP65"),
+	/* 19 */ DECLARE_AMD_DEV("AMD5536"),
 };
 
 static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_id *id)
@@ -528,7 +530,8 @@ static struct pci_device_id amd74xx_pci_tbl[] = {
 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 15 },
 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 16 },
 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 17 },
-	{ PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_CS5536_IDE,		PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18 },
+	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18 },
+	{ PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_CS5536_IDE,		PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19 },
 	{ 0, },
 };
 MODULE_DEVICE_TABLE(pci, amd74xx_pci_tbl);
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c
index 7ce5bf78368..22d17548ecd 100644
--- a/drivers/ide/pci/pdc202xx_old.c
+++ b/drivers/ide/pci/pdc202xx_old.c
@@ -370,7 +370,6 @@ chipset_is_set:
 	if (!(speed)) {
 		/* restore original pci-config space */
 		pci_write_config_dword(dev, drive_pci, drive_conf);
-		hwif->tuneproc(drive, 5);
 		return 0;
 	}
 
@@ -415,8 +414,6 @@ static void pdc202xx_old_ide_dma_start(ide_drive_t *drive)
 	if (drive->addressing == 1) {
 		struct request *rq	= HWGROUP(drive)->rq;
 		ide_hwif_t *hwif	= HWIF(drive);
-//		struct pci_dev *dev	= hwif->pci_dev;
-//		unsgned long high_16	= pci_resource_start(dev, 4);
 		unsigned long high_16   = hwif->dma_master;
 		unsigned long atapi_reg	= high_16 + (hwif->channel ? 0x24 : 0x20);
 		u32 word_count	= 0;
@@ -436,7 +433,6 @@ static int pdc202xx_old_ide_dma_end(ide_drive_t *drive)
 {
 	if (drive->addressing == 1) {
 		ide_hwif_t *hwif	= HWIF(drive);
-//		unsigned long high_16	= pci_resource_start(hwif->pci_dev, 4);
 		unsigned long high_16	= hwif->dma_master;
 		unsigned long atapi_reg	= high_16 + (hwif->channel ? 0x24 : 0x20);
 		u8 clock		= 0;
@@ -453,8 +449,6 @@ static int pdc202xx_old_ide_dma_end(ide_drive_t *drive)
 static int pdc202xx_old_ide_dma_test_irq(ide_drive_t *drive)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
-//	struct pci_dev *dev	= hwif->pci_dev;
-//	unsigned long high_16	= pci_resource_start(dev, 4);
 	unsigned long high_16	= hwif->dma_master;
 	u8 dma_stat		= hwif->INB(hwif->dma_status);
 	u8 sc1d			= hwif->INB((high_16 + 0x001d));
@@ -492,12 +486,7 @@ static int pdc202xx_ide_dma_timeout(ide_drive_t *drive)
 
 static void pdc202xx_reset_host (ide_hwif_t *hwif)
 {
-#ifdef CONFIG_BLK_DEV_IDEDMA
-//	unsigned long high_16	= hwif->dma_base - (8*(hwif->channel));
 	unsigned long high_16	= hwif->dma_master;
-#else /* !CONFIG_BLK_DEV_IDEDMA */
-	unsigned long high_16	= pci_resource_start(hwif->pci_dev, 4);
-#endif /* CONFIG_BLK_DEV_IDEDMA */
 	u8 udma_speed_flag	= hwif->INB(high_16|0x001f);
 
 	hwif->OUTB((udma_speed_flag | 0x10), (high_16|0x001f));
@@ -550,31 +539,6 @@ static void pdc202xx_reset (ide_drive_t *drive)
 #endif
 }
 
-/*
- * Since SUN Cobalt is attempting to do this operation, I should disclose
- * this has been a long time ago Thu Jul 27 16:40:57 2000 was the patch date
- * HOTSWAP ATA Infrastructure.
- */
-static int pdc202xx_tristate (ide_drive_t * drive, int state)
-{
-	ide_hwif_t *hwif	= HWIF(drive);
-//	unsigned long high_16	= hwif->dma_base - (8*(hwif->channel));
-	unsigned long high_16	= hwif->dma_master;
-	u8 sc1f			= hwif->INB(high_16|0x001f);
-
-	if (!hwif)
-		return -EINVAL;
-
-//	hwif->bus_state = state;
-
-	if (state) {
-		hwif->OUTB(sc1f | 0x08, (high_16|0x001f));
-	} else {
-		hwif->OUTB(sc1f & ~0x08, (high_16|0x001f));
-	}
-	return 0;
-}
-
 static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev, const char *name)
 {
 	if (dev->resource[PCI_ROM_RESOURCE].start) {
@@ -624,10 +588,8 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif)
 	hwif->tuneproc  = &config_chipset_for_pio;
 	hwif->quirkproc = &pdc202xx_quirkproc;
 
-	if (hwif->pci_dev->device != PCI_DEVICE_ID_PROMISE_20246) {
-		hwif->busproc   = &pdc202xx_tristate;
+	if (hwif->pci_dev->device != PCI_DEVICE_ID_PROMISE_20246)
 		hwif->resetproc = &pdc202xx_reset;
-	}
 
 	hwif->speedproc = &pdc202xx_tune_chipset;
 
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index e9b83e1a302..7fac6f57b5d 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -222,6 +222,8 @@ static void piix_tune_drive (ide_drive_t *drive, u8 pio)
 	unsigned long flags;
 	u16 master_data;
 	u8 slave_data;
+	static DEFINE_SPINLOCK(tune_lock);
+
 				 /* ISP  RTC */
 	u8 timings[][2]	= { { 0, 0 },
 			    { 0, 0 },
@@ -230,7 +232,13 @@ static void piix_tune_drive (ide_drive_t *drive, u8 pio)
 			    { 2, 3 }, };
 
 	pio = ide_get_best_pio_mode(drive, pio, 5, NULL);
-	spin_lock_irqsave(&ide_lock, flags);
+
+	/*
+	 * Master vs slave is synchronized above us but the slave register is
+	 * shared by the two hwifs so the corner case of two slave timeouts in
+	 * parallel must be locked.
+	 */
+	spin_lock_irqsave(&tune_lock, flags);
 	pci_read_config_word(dev, master_port, &master_data);
 	if (is_slave) {
 		master_data = master_data | 0x4000;
@@ -250,7 +258,7 @@ static void piix_tune_drive (ide_drive_t *drive, u8 pio)
 	pci_write_config_word(dev, master_port, master_data);
 	if (is_slave)
 		pci_write_config_byte(dev, slave_port, slave_data);
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&tune_lock, flags);
 }
 
 /**