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

* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6: (23 commits)
  ide: add support for SCSI ioctls to ide-floppy
  ide: remove stale changelog from setup-pci.c
  ide: remove stale changelog/comments/TODO from ide.c
  ide-cris: handle PIO auto-tuning in tune_cris_ide()
  ide: add PIO masks
  ide: remove ide_find_best_pio_mode()
  ide: drop "PIO data" argument from ide_get_best_pio_mode()
  ide: ide_find_best_pio_mode() fixes (take 2)
  ide: add ide_pio_cycle_time() helper (take 2)
  sc1200: remove stale Power Management code
  ide: ide_start_power_step() fix WRT disabling DMA
  serverworks: fix DMA
  serverworks: always tune PIO
  ide: add ide_pci_device_t.host_flags (take 2)
  ide: add ide_dev_has_iordy() helper (take 4)
  ide: make ide_get_best_pio_mode() print info if overriding PIO mode
  siimage: PIO mode setup fixes (take 2)
  atiixp: PIO mode setup fixes
  ide: Stop mapping ROMs
  IDE: Remove references to dead ETRAX-related variables.
  ...

1 files changed, 22 insertions, 15 deletions

diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index 2761510309b3..1725aa402d98 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -1,9 +1,8 @@
 /*
- *  linux/drivers/ide/pci/atiixp.c	Version 0.01-bart2	Feb. 26, 2004
+ *  linux/drivers/ide/pci/atiixp.c	Version 0.02	Jun 16 2007
  *
  *  Copyright (C) 2003 ATI Inc. <hyu@ati.com>
- *  Copyright (C) 2004 Bartlomiej Zolnierkiewicz
- *
+ *  Copyright (C) 2004,2007 Bartlomiej Zolnierkiewicz
  */
 
 #include <linux/types.h>
@@ -123,14 +122,14 @@ static void atiixp_dma_host_off(ide_drive_t *drive)
 }
 
 /**
- *	atiixp_tune_drive		-	tune a drive attached to a ATIIXP
+ *	atiixp_tune_pio	-	tune a drive attached to a ATIIXP
  *	@drive: drive to tune
  *	@pio: desired PIO mode
  *
  *	Set the interface PIO mode.
  */
 
-static void atiixp_tuneproc(ide_drive_t *drive, u8 pio)
+static void atiixp_tune_pio(ide_drive_t *drive, u8 pio)
 {
 	struct pci_dev *dev = drive->hwif->pci_dev;
 	unsigned long flags;
@@ -154,6 +153,13 @@ static void atiixp_tuneproc(ide_drive_t *drive, u8 pio)
 	spin_unlock_irqrestore(&atiixp_lock, flags);
 }
 
+static void atiixp_tuneproc(ide_drive_t *drive, u8 pio)
+{
+	pio = ide_get_best_pio_mode(drive, pio, 4);
+	atiixp_tune_pio(drive, pio);
+	(void)ide_config_drive_speed(drive, XFER_PIO_0 + pio);
+}
+
 /**
  *	atiixp_tune_chipset	-	tune a ATIIXP interface
  *	@drive: IDE drive to tune
@@ -175,6 +181,11 @@ static int atiixp_speedproc(ide_drive_t *drive, u8 xferspeed)
 
 	speed = ide_rate_filter(drive, xferspeed);
 
+	if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4) {
+		atiixp_tune_pio(drive, speed - XFER_PIO_0);
+		return ide_config_drive_speed(drive, speed);
+	}
+
 	spin_lock_irqsave(&atiixp_lock, flags);
 
 	save_mdma_mode[drive->dn] = 0;
@@ -201,7 +212,7 @@ static int atiixp_speedproc(ide_drive_t *drive, u8 xferspeed)
 	else
 		pio = speed - XFER_PIO_0;
 
-	atiixp_tuneproc(drive, pio);
+	atiixp_tune_pio(drive, pio);
 
 	return ide_config_drive_speed(drive, speed);
 }
@@ -216,18 +227,13 @@ static int atiixp_speedproc(ide_drive_t *drive, u8 xferspeed)
 
 static int atiixp_dma_check(ide_drive_t *drive)
 {
-	u8 tspeed, speed;
-
 	drive->init_speed = 0;
 
 	if (ide_tune_dma(drive))
 		return 0;
 
-	if (ide_use_fast_pio(drive)) {
-		tspeed = ide_get_best_pio_mode(drive, 255, 5, NULL);
-		speed = atiixp_dma_2_pio(XFER_PIO_0 + tspeed) + XFER_PIO_0;
-		atiixp_speedproc(drive, speed);
-	}
+	if (ide_use_fast_pio(drive))
+		atiixp_tuneproc(drive, 255);
 
 	return -1;
 }
@@ -285,17 +291,18 @@ static ide_pci_device_t atiixp_pci_info[] __devinitdata = {
 	{	/* 0 */
 		.name		= "ATIIXP",
 		.init_hwif	= init_hwif_atiixp,
-		.channels	= 2,
 		.autodma	= AUTODMA,
 		.enablebits	= {{0x48,0x01,0x00}, {0x48,0x08,0x00}},
 		.bootable	= ON_BOARD,
+		.pio_mask	= ATA_PIO4,
 	},{	/* 1 */
 		.name		= "SB600_PATA",
 		.init_hwif	= init_hwif_atiixp,
-		.channels	= 1,
 		.autodma	= AUTODMA,
 		.enablebits	= {{0x48,0x01,0x00}, {0x00,0x00,0x00}},
  		.bootable	= ON_BOARD,
+ 		.host_flags	= IDE_HFLAG_SINGLE,
+		.pio_mask	= ATA_PIO4,
  	},
 };