diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile
index b16dfea28134..cfeac6f10137 100644
--- a/drivers/char/watchdog/Makefile
+++ b/drivers/char/watchdog/Makefile
@@ -2,43 +2,68 @@
 # Makefile for the WatchDog device drivers.
 #
 
+# Only one watchdog can succeed. We probe the ISA/PCI/USB based
+# watchdog-cards first, then the architecture specific watchdog
+# drivers and then the architecture independant "softdog" driver.
+# This means that if your ISA/PCI/USB card isn't detected that
+# you can fall back to an architecture specific driver and if
+# that also fails then you can fall back to the software watchdog
+# to give you some cover.
+
+# ISA-based Watchdog Cards
 obj-$(CONFIG_PCWATCHDOG) += pcwd.o
-obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o
-obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o
-obj-$(CONFIG_IB700_WDT) += ib700wdt.o
 obj-$(CONFIG_MIXCOMWD) += mixcomwd.o
-obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o
-obj-$(CONFIG_60XX_WDT) += sbc60xxwdt.o
 obj-$(CONFIG_WDT) += wdt.o
+
+# PCI-based Watchdog Cards
+obj-$(CONFIG_PCIPCWATCHDOG) += pcwd_pci.o
 obj-$(CONFIG_WDTPCI) += wdt_pci.o
+
+# USB-based Watchdog Cards
+obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o
+
+# ARM Architecture
 obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
 obj-$(CONFIG_977_WATCHDOG) += wdt977.o
-obj-$(CONFIG_I8XX_TCO) += i8xx_tco.o
-obj-$(CONFIG_MACHZ_WDT) += machzwd.o
-obj-$(CONFIG_SH_WDT) += shwdt.o
+obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o
+obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
 obj-$(CONFIG_S3C2410_WATCHDOG) += s3c2410_wdt.o
 obj-$(CONFIG_SA1100_WATCHDOG) += sa1100_wdt.o
-obj-$(CONFIG_EUROTECH_WDT) += eurotechwdt.o
-obj-$(CONFIG_W83877F_WDT) += w83877f_wdt.o
-obj-$(CONFIG_W83627HF_WDT) += w83627hf_wdt.o
-obj-$(CONFIG_SC520_WDT) += sc520_wdt.o
-obj-$(CONFIG_ALIM7101_WDT) += alim7101_wdt.o
+
+# X86 (i386 + ia64 + x86_64) Architecture
+obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o
+obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o
 obj-$(CONFIG_ALIM1535_WDT) += alim1535_wdt.o
-obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o
+obj-$(CONFIG_ALIM7101_WDT) += alim7101_wdt.o
+obj-$(CONFIG_SC520_WDT) += sc520_wdt.o
+obj-$(CONFIG_EUROTECH_WDT) += eurotechwdt.o
+obj-$(CONFIG_IB700_WDT) += ib700wdt.o
 obj-$(CONFIG_WAFER_WDT) += wafer5823wdt.o
+obj-$(CONFIG_I8XX_TCO) += i8xx_tco.o
+obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o
+obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o
+obj-$(CONFIG_60XX_WDT) += sbc60xxwdt.o
 obj-$(CONFIG_CPU5_WDT) += cpu5wdt.o
-obj-$(CONFIG_INDYDOG) += indydog.o
-obj-$(CONFIG_PCIPCWATCHDOG) += pcwd_pci.o
-obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o
-obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
-obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o
+obj-$(CONFIG_W83627HF_WDT) += w83627hf_wdt.o
+obj-$(CONFIG_W83877F_WDT) += w83877f_wdt.o
+obj-$(CONFIG_MACHZ_WDT) += machzwd.o
+
+# PowerPC Architecture
 obj-$(CONFIG_8xx_WDT) += mpc8xx_wdt.o
+
+# PPC64 Architecture
 obj-$(CONFIG_WATCHDOG_RTAS) += wdrtas.o
 obj-$(CONFIG_BOOKE_WDT) += booke_wdt.o
 
-# Only one watchdog can succeed. We probe the hardware watchdog
-# drivers first, then the softdog driver.  This means if your hardware
-# watchdog dies or is 'borrowed' for some reason the software watchdog
-# still gives you some cover.
+# MIPS Architecture
+obj-$(CONFIG_INDYDOG) += indydog.o
 
+# S390 Architecture
+
+# SUPERH Architecture
+obj-$(CONFIG_SH_WDT) += shwdt.o
+
+# SPARC64 Architecture
+
+# Architecture Independant
 obj-$(CONFIG_SOFT_WATCHDOG) += softdog.o
diff --git a/drivers/char/watchdog/ixp2000_wdt.c b/drivers/char/watchdog/ixp2000_wdt.c
index e7640bc4904b..0cfb9b9c4a4b 100644
--- a/drivers/char/watchdog/ixp2000_wdt.c
+++ b/drivers/char/watchdog/ixp2000_wdt.c
@@ -182,7 +182,7 @@ static struct file_operations ixp2000_wdt_fops =
 static struct miscdevice ixp2000_wdt_miscdev =
 {
 	.minor		= WATCHDOG_MINOR,
-	.name		= "IXP2000 Watchdog",
+	.name		= "watchdog",
 	.fops		= &ixp2000_wdt_fops,
 };
 
diff --git a/drivers/char/watchdog/ixp4xx_wdt.c b/drivers/char/watchdog/ixp4xx_wdt.c
index 8d916afbf4fa..b5be8b11104a 100644
--- a/drivers/char/watchdog/ixp4xx_wdt.c
+++ b/drivers/char/watchdog/ixp4xx_wdt.c
@@ -176,7 +176,7 @@ static struct file_operations ixp4xx_wdt_fops =
 static struct miscdevice ixp4xx_wdt_miscdev =
 {
 	.minor		= WATCHDOG_MINOR,
-	.name		= "IXP4xx Watchdog",
+	.name		= "watchdog",
 	.fops		= &ixp4xx_wdt_fops,
 };
 
diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
index f85ac898a49a..8b292bf343c4 100644
--- a/drivers/char/watchdog/s3c2410_wdt.c
+++ b/drivers/char/watchdog/s3c2410_wdt.c
@@ -27,7 +27,10 @@
  *				Fixed tmr_count / wdt_count confusion
  *				Added configurable debug
  *
- *	11-Jan-2004	BJD	Fixed divide-by-2 in timeout code
+ *	11-Jan-2005	BJD	Fixed divide-by-2 in timeout code
+ *
+ *	25-Jan-2005	DA	Added suspend/resume support
+ *				Replaced reboot notifier with .shutdown method
  *
  *	10-Mar-2005	LCVR	Changed S3C2410_VA to S3C24XX_VA
 */
@@ -40,8 +43,6 @@
 #include <linux/miscdevice.h>
 #include <linux/watchdog.h>
 #include <linux/fs.h>
-#include <linux/notifier.h>
-#include <linux/reboot.h>
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/interrupt.h>
@@ -317,20 +318,6 @@ static int s3c2410wdt_ioctl(struct inode *inode, struct file *file,
 	}
 }
 
-/*
- *	Notifier for system down
- */
-
-static int s3c2410wdt_notify_sys(struct notifier_block *this, unsigned long code,
-			      void *unused)
-{
-	if(code==SYS_DOWN || code==SYS_HALT) {
-		/* Turn the WDT off */
-		s3c2410wdt_stop();
-	}
-	return NOTIFY_DONE;
-}
-
 /* kernel interface */
 
 static struct file_operations s3c2410wdt_fops = {
@@ -348,10 +335,6 @@ static struct miscdevice s3c2410wdt_miscdev = {
 	.fops		= &s3c2410wdt_fops,
 };
 
-static struct notifier_block s3c2410wdt_notifier = {
-	.notifier_call	= s3c2410wdt_notify_sys,
-};
-
 /* interrupt handler code */
 
 static irqreturn_t s3c2410wdt_irq(int irqno, void *param,
@@ -432,18 +415,10 @@ static int s3c2410wdt_probe(struct device *dev)
 		}
 	}
 
-	ret = register_reboot_notifier(&s3c2410wdt_notifier);
-	if (ret) {
-		printk (KERN_ERR PFX "cannot register reboot notifier (%d)\n",
-			ret);
-		return ret;
-	}
-
 	ret = misc_register(&s3c2410wdt_miscdev);
 	if (ret) {
 		printk (KERN_ERR PFX "cannot register miscdev on minor=%d (%d)\n",
 			WATCHDOG_MINOR, ret);
-		unregister_reboot_notifier(&s3c2410wdt_notifier);
 		return ret;
 	}
 
@@ -479,15 +454,63 @@ static int s3c2410wdt_remove(struct device *dev)
 	return 0;
 }
 
+static void s3c2410wdt_shutdown(struct device *dev)
+{
+	s3c2410wdt_stop();	
+}
+
+#ifdef CONFIG_PM
+
+static unsigned long wtcon_save;
+static unsigned long wtdat_save;
+
+static int s3c2410wdt_suspend(struct device *dev, u32 state, u32 level)
+{
+	if (level == SUSPEND_POWER_DOWN) {
+		/* Save watchdog state, and turn it off. */
+		wtcon_save = readl(wdt_base + S3C2410_WTCON);
+		wtdat_save = readl(wdt_base + S3C2410_WTDAT);
+
+		/* Note that WTCNT doesn't need to be saved. */
+		s3c2410wdt_stop();
+	}
+
+	return 0;
+}
+
+static int s3c2410wdt_resume(struct device *dev, u32 level)
+{
+	if (level == RESUME_POWER_ON) {
+		/* Restore watchdog state. */
+
+		writel(wtdat_save, wdt_base + S3C2410_WTDAT);
+		writel(wtdat_save, wdt_base + S3C2410_WTCNT); /* Reset count */
+		writel(wtcon_save, wdt_base + S3C2410_WTCON);
+
+		printk(KERN_INFO PFX "watchdog %sabled\n",
+		       (wtcon_save & S3C2410_WTCON_ENABLE) ? "en" : "dis");
+	}
+
+	return 0;
+}
+
+#else
+#define s3c2410wdt_suspend NULL
+#define s3c2410wdt_resume  NULL
+#endif /* CONFIG_PM */
+
+
 static struct device_driver s3c2410wdt_driver = {
 	.name		= "s3c2410-wdt",
 	.bus		= &platform_bus_type,
 	.probe		= s3c2410wdt_probe,
 	.remove		= s3c2410wdt_remove,
+	.shutdown	= s3c2410wdt_shutdown,
+	.suspend	= s3c2410wdt_suspend,
+	.resume		= s3c2410wdt_resume,
 };
 
 
-
 static char banner[] __initdata = KERN_INFO "S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics\n";
 
 static int __init watchdog_init(void)
@@ -499,13 +522,13 @@ static int __init watchdog_init(void)
 static void __exit watchdog_exit(void)
 {
 	driver_unregister(&s3c2410wdt_driver);
-	unregister_reboot_notifier(&s3c2410wdt_notifier);
 }
 
 module_init(watchdog_init);
 module_exit(watchdog_exit);
 
-MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
+MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>, "
+	      "Dimitry Andric <dimitry.andric@tomtom.com>");
 MODULE_DESCRIPTION("S3C2410 Watchdog Device Driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/char/watchdog/scx200_wdt.c b/drivers/char/watchdog/scx200_wdt.c
index c4568569f3a8..b4a102a2d7e3 100644
--- a/drivers/char/watchdog/scx200_wdt.c
+++ b/drivers/char/watchdog/scx200_wdt.c
@@ -206,7 +206,7 @@ static struct file_operations scx200_wdt_fops = {
 
 static struct miscdevice scx200_wdt_miscdev = {
 	.minor = WATCHDOG_MINOR,
-	.name  = NAME,
+	.name  = "watchdog",
 	.fops  = &scx200_wdt_fops,
 };
 
diff --git a/drivers/char/watchdog/softdog.c b/drivers/char/watchdog/softdog.c
index 4d7ed931f5c6..20e5eb8667f2 100644
--- a/drivers/char/watchdog/softdog.c
+++ b/drivers/char/watchdog/softdog.c
@@ -77,7 +77,7 @@ static void watchdog_fire(unsigned long);
 
 static struct timer_list watchdog_ticktock =
 		TIMER_INITIALIZER(watchdog_fire, 0, 0);
-static unsigned long timer_alive;
+static unsigned long driver_open, orphan_timer;
 static char expect_close;
 
 
@@ -87,6 +87,9 @@ static char expect_close;
 
 static void watchdog_fire(unsigned long data)
 {
+	if (test_and_clear_bit(0, &orphan_timer))
+		module_put(THIS_MODULE);
+
 	if (soft_noboot)
 		printk(KERN_CRIT PFX "Triggered - Reboot ignored.\n");
 	else
@@ -128,9 +131,9 @@ static int softdog_set_heartbeat(int t)
 
 static int softdog_open(struct inode *inode, struct file *file)
 {
-	if(test_and_set_bit(0, &timer_alive))
+	if (test_and_set_bit(0, &driver_open))
 		return -EBUSY;
-	if (nowayout)
+	if (!test_and_clear_bit(0, &orphan_timer))
 		__module_get(THIS_MODULE);
 	/*
 	 *	Activate timer
@@ -147,11 +150,13 @@ static int softdog_release(struct inode *inode, struct file *file)
 	 */
 	if (expect_close == 42) {
 		softdog_stop();
+		module_put(THIS_MODULE);
 	} else {
 		printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+		set_bit(0, &orphan_timer);
 		softdog_keepalive();
 	}
-	clear_bit(0, &timer_alive);
+	clear_bit(0, &driver_open);
 	expect_close = 0;
 	return 0;
 }
diff --git a/drivers/char/watchdog/w83627hf_wdt.c b/drivers/char/watchdog/w83627hf_wdt.c
index 465e0fd0423d..b5d821015421 100644
--- a/drivers/char/watchdog/w83627hf_wdt.c
+++ b/drivers/char/watchdog/w83627hf_wdt.c
@@ -93,6 +93,12 @@ w83627hf_init(void)
 
 	w83627hf_select_wd_register();
 
+	outb_p(0xF6, WDT_EFER); /* Select CRF6 */
+	t=inb_p(WDT_EFDR);      /* read CRF6 */
+	if (t != 0) {
+		printk (KERN_INFO PFX "Watchdog already running. Resetting timeout to %d sec\n", timeout);
+		outb_p(timeout, WDT_EFDR);    /* Write back to CRF6 */
+	}
 	outb_p(0xF5, WDT_EFER); /* Select CRF5 */
 	t=inb_p(WDT_EFDR);      /* read CRF5 */
 	t&=~0x0C;               /* set second mode & disable keyboard turning off watchdog */
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 179c95c878ac..31065261de8e 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -189,7 +189,6 @@ static void ahci_irq_clear(struct ata_port *ap);
 static void ahci_eng_timeout(struct ata_port *ap);
 static int ahci_port_start(struct ata_port *ap);
 static void ahci_port_stop(struct ata_port *ap);
-static void ahci_host_stop(struct ata_host_set *host_set);
 static void ahci_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
 static void ahci_qc_prep(struct ata_queued_cmd *qc);
 static u8 ahci_check_status(struct ata_port *ap);
@@ -242,7 +241,6 @@ static struct ata_port_operations ahci_ops = {
 
 	.port_start		= ahci_port_start,
 	.port_stop		= ahci_port_stop,
-	.host_stop		= ahci_host_stop,
 };
 
 static struct ata_port_info ahci_port_info[] = {
@@ -296,17 +294,9 @@ static inline unsigned long ahci_port_base_ul (unsigned long base, unsigned int
 	return base + 0x100 + (port * 0x80);
 }
 
-static inline void *ahci_port_base (void *base, unsigned int port)
+static inline void __iomem *ahci_port_base (void __iomem *base, unsigned int port)
 {
-	return (void *) ahci_port_base_ul((unsigned long)base, port);
-}
-
-static void ahci_host_stop(struct ata_host_set *host_set)
-{
-	struct ahci_host_priv *hpriv = host_set->private_data;
-	kfree(hpriv);
-
-	ata_host_stop(host_set);
+	return (void __iomem *) ahci_port_base_ul((unsigned long)base, port);
 }
 
 static int ahci_port_start(struct ata_port *ap)
@@ -314,8 +304,9 @@ static int ahci_port_start(struct ata_port *ap)
 	struct device *dev = ap->host_set->dev;
 	struct ahci_host_priv *hpriv = ap->host_set->private_data;
 	struct ahci_port_priv *pp;
-	void *mem, *mmio = ap->host_set->mmio_base;
-	void *port_mmio = ahci_port_base(mmio, ap->port_no);
+	void __iomem *mmio = ap->host_set->mmio_base;
+	void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
+	void *mem;
 	dma_addr_t mem_dma;
 
 	pp = kmalloc(sizeof(*pp), GFP_KERNEL);
@@ -383,8 +374,8 @@ static void ahci_port_stop(struct ata_port *ap)
 {
 	struct device *dev = ap->host_set->dev;
 	struct ahci_port_priv *pp = ap->private_data;
-	void *mmio = ap->host_set->mmio_base;
-	void *port_mmio = ahci_port_base(mmio, ap->port_no);
+	void __iomem *mmio = ap->host_set->mmio_base;
+	void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
 	u32 tmp;
 
 	tmp = readl(port_mmio + PORT_CMD);
@@ -546,8 +537,8 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
 
 static void ahci_intr_error(struct ata_port *ap, u32 irq_stat)
 {
-	void *mmio = ap->host_set->mmio_base;
-	void *port_mmio = ahci_port_base(mmio, ap->port_no);
+	void __iomem *mmio = ap->host_set->mmio_base;
+	void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
 	u32 tmp;
 	int work;
 
@@ -595,8 +586,8 @@ static void ahci_intr_error(struct ata_port *ap, u32 irq_stat)
 static void ahci_eng_timeout(struct ata_port *ap)
 {
 	struct ata_host_set *host_set = ap->host_set;
-	void *mmio = host_set->mmio_base;
-	void *port_mmio = ahci_port_base(mmio, ap->port_no);
+	void __iomem *mmio = host_set->mmio_base;
+	void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
 	struct ata_queued_cmd *qc;
 	unsigned long flags;
 
@@ -626,8 +617,8 @@ static void ahci_eng_timeout(struct ata_port *ap)
 
 static inline int ahci_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
 {
-	void *mmio = ap->host_set->mmio_base;
-	void *port_mmio = ahci_port_base(mmio, ap->port_no);
+	void __iomem *mmio = ap->host_set->mmio_base;
+	void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
 	u32 status, serr, ci;
 
 	serr = readl(port_mmio + PORT_SCR_ERR);
@@ -663,7 +654,7 @@ static irqreturn_t ahci_interrupt (int irq, void *dev_instance, struct pt_regs *
 	struct ata_host_set *host_set = dev_instance;
 	struct ahci_host_priv *hpriv;
 	unsigned int i, handled = 0;
-	void *mmio;
+	void __iomem *mmio;
 	u32 irq_stat, irq_ack = 0;
 
 	VPRINTK("ENTER\n");
@@ -709,7 +700,7 @@ static irqreturn_t ahci_interrupt (int irq, void *dev_instance, struct pt_regs *
 static int ahci_qc_issue(struct ata_queued_cmd *qc)
 {
 	struct ata_port *ap = qc->ap;
-	void *port_mmio = (void *) ap->ioaddr.cmd_addr;
+	void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr;
 
 	writel(1, port_mmio + PORT_CMD_ISSUE);
 	readl(port_mmio + PORT_CMD_ISSUE);	/* flush */
@@ -894,7 +885,7 @@ static void ahci_print_info(struct ata_probe_ent *probe_ent)
 {
 	struct ahci_host_priv *hpriv = probe_ent->private_data;
 	struct pci_dev *pdev = to_pci_dev(probe_ent->dev);
-	void *mmio = probe_ent->mmio_base;
+	void __iomem *mmio = probe_ent->mmio_base;
 	u32 vers, cap, impl, speed;
 	const char *speed_s;
 	u16 cc;
@@ -967,7 +958,7 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct ata_probe_ent *probe_ent = NULL;
 	struct ahci_host_priv *hpriv;
 	unsigned long base;
-	void *mmio_base;
+	void __iomem *mmio_base;
 	unsigned int board_idx = (unsigned int) ent->driver_data;
 	int have_msi, pci_dev_busy = 0;
 	int rc;
@@ -1004,8 +995,7 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	probe_ent->dev = pci_dev_to_dev(pdev);
 	INIT_LIST_HEAD(&probe_ent->node);
 
-	mmio_base = ioremap(pci_resource_start(pdev, AHCI_PCI_BAR),
-		            pci_resource_len(pdev, AHCI_PCI_BAR));
+	mmio_base = pci_iomap(pdev, AHCI_PCI_BAR, 0);
 	if (mmio_base == NULL) {
 		rc = -ENOMEM;
 		goto err_out_free_ent;
@@ -1049,7 +1039,7 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 err_out_hpriv:
 	kfree(hpriv);
 err_out_iounmap:
-	iounmap(mmio_base);
+	pci_iounmap(pdev, mmio_base);
 err_out_free_ent:
 	kfree(probe_ent);
 err_out_msi:
@@ -1089,7 +1079,8 @@ static void ahci_remove_one (struct pci_dev *pdev)
 		scsi_host_put(ap->host);
 	}
 
-	host_set->ops->host_stop(host_set);
+	kfree(hpriv);
+	pci_iounmap(pdev, host_set->mmio_base);
 	kfree(host_set);
 
 	if (have_msi)
@@ -1106,7 +1097,6 @@ static int __init ahci_init(void)
 	return pci_module_init(&ahci_pci_driver);
 }
 
-
 static void __exit ahci_exit(void)
 {
 	pci_unregister_driver(&ahci_pci_driver);
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index fb28c1261848..deec0cef88d9 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -583,8 +583,7 @@ static void pci_enable_intx(struct pci_dev *pdev)
 #define AHCI_ENABLE (1 << 31)
 static int piix_disable_ahci(struct pci_dev *pdev)
 {
-	void *mmio;
-	unsigned long addr;
+	void __iomem *mmio;
 	u32 tmp;
 	int rc = 0;
 
@@ -592,11 +591,11 @@ static int piix_disable_ahci(struct pci_dev *pdev)
 	 * works because this device is usually set up by BIOS.
 	 */
 
-	addr = pci_resource_start(pdev, AHCI_PCI_BAR);
-	if (!addr || !pci_resource_len(pdev, AHCI_PCI_BAR))
+	if (!pci_resource_start(pdev, AHCI_PCI_BAR) ||
+	    !pci_resource_len(pdev, AHCI_PCI_BAR))
 		return 0;
 
-	mmio = ioremap(addr, 64);
+	mmio = pci_iomap(pdev, AHCI_PCI_BAR, 64);
 	if (!mmio)
 		return -ENOMEM;
 
@@ -610,7 +609,7 @@ static int piix_disable_ahci(struct pci_dev *pdev)
 			rc = -EIO;
 	}
 
-	iounmap(mmio);
+	pci_iounmap(pdev, mmio);
 	return rc;
 }
 
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index dee4b12b0342..9fb9814525a3 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -75,6 +75,10 @@ static void __ata_qc_complete(struct ata_queued_cmd *qc);
 static unsigned int ata_unique_id = 1;
 static struct workqueue_struct *ata_wq;
 
+int atapi_enabled = 0;
+module_param(atapi_enabled, int, 0444);
+MODULE_PARM_DESC(atapi_enabled, "Enable discovery of ATAPI devices (0=off, 1=on)");
+
 MODULE_AUTHOR("Jeff Garzik");
 MODULE_DESCRIPTION("Library module for ATA devices");
 MODULE_LICENSE("GPL");
@@ -4200,6 +4204,15 @@ ata_probe_ent_alloc(struct device *dev, struct ata_port_info *port)
 
 
 
+#ifdef CONFIG_PCI
+
+void ata_pci_host_stop (struct ata_host_set *host_set)
+{
+	struct pci_dev *pdev = to_pci_dev(host_set->dev);
+
+	pci_iounmap(pdev, host_set->mmio_base);
+}
+
 /**
  *	ata_pci_init_native_mode - Initialize native-mode driver
  *	@pdev:  pci device to be initialized
@@ -4212,7 +4225,6 @@ ata_probe_ent_alloc(struct device *dev, struct ata_port_info *port)
  *	ata_probe_ent structure should then be freed with kfree().
  */
 
-#ifdef CONFIG_PCI
 struct ata_probe_ent *
 ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port)
 {
@@ -4595,6 +4607,7 @@ EXPORT_SYMBOL_GPL(ata_scsi_simulate);
 
 #ifdef CONFIG_PCI
 EXPORT_SYMBOL_GPL(pci_test_config_bits);
+EXPORT_SYMBOL_GPL(ata_pci_host_stop);
 EXPORT_SYMBOL_GPL(ata_pci_init_native_mode);
 EXPORT_SYMBOL_GPL(ata_pci_init_one);
 EXPORT_SYMBOL_GPL(ata_pci_remove_one);
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 346eb36b1e31..104fd9a63e73 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -1470,10 +1470,10 @@ ata_scsi_find_dev(struct ata_port *ap, struct scsi_device *scsidev)
 	if (unlikely(!ata_dev_present(dev)))
 		return NULL;
 
-#ifndef ATA_ENABLE_ATAPI
-	if (unlikely(dev->class == ATA_DEV_ATAPI))
-		return NULL;
-#endif
+	if (!atapi_enabled) {
+		if (unlikely(dev->class == ATA_DEV_ATAPI))
+			return NULL;
+	}
 
 	return dev;
 }
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index 809c634afbcd..d608b3a0f6fe 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -38,6 +38,7 @@ struct ata_scsi_args {
 };
 
 /* libata-core.c */
+extern int atapi_enabled;
 extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
 				      struct ata_device *dev);
 extern void ata_qc_free(struct ata_queued_cmd *qc);
diff --git a/drivers/scsi/sata_nv.c b/drivers/scsi/sata_nv.c
index 03d9bc6e69df..a1d62dee3be6 100644
--- a/drivers/scsi/sata_nv.c
+++ b/drivers/scsi/sata_nv.c
@@ -351,6 +351,7 @@ static void nv_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
 static void nv_host_stop (struct ata_host_set *host_set)
 {
 	struct nv_host *host = host_set->private_data;
+	struct pci_dev *pdev = to_pci_dev(host_set->dev);
 
 	// Disable hotplug event interrupts.
 	if (host->host_desc->disable_hotplug)
@@ -358,7 +359,8 @@ static void nv_host_stop (struct ata_host_set *host_set)
 
 	kfree(host);
 
-	ata_host_stop(host_set);
+	if (host_set->mmio_base)
+		pci_iounmap(pdev, host_set->mmio_base);
 }
 
 static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
@@ -420,8 +422,7 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (host->host_flags & NV_HOST_FLAGS_SCR_MMIO) {
 		unsigned long base;
 
-		probe_ent->mmio_base = ioremap(pci_resource_start(pdev, 5),
-				pci_resource_len(pdev, 5));
+		probe_ent->mmio_base = pci_iomap(pdev, 5, 0);
 		if (probe_ent->mmio_base == NULL) {
 			rc = -EIO;
 			goto err_out_free_host;
@@ -457,7 +458,7 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 
 err_out_iounmap:
 	if (host->host_flags & NV_HOST_FLAGS_SCR_MMIO)
-		iounmap(probe_ent->mmio_base);
+		pci_iounmap(pdev, probe_ent->mmio_base);
 err_out_free_host:
 	kfree(host);
 err_out_free_ent:
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index 7c4f6ecc1cc9..538ad727bd2e 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -92,6 +92,7 @@ static void pdc_exec_command_mmio(struct ata_port *ap, struct ata_taskfile *tf);
 static void pdc_irq_clear(struct ata_port *ap);
 static int pdc_qc_issue_prot(struct ata_queued_cmd *qc);
 
+
 static Scsi_Host_Template pdc_ata_sht = {
 	.module			= THIS_MODULE,
 	.name			= DRV_NAME,
@@ -132,7 +133,7 @@ static struct ata_port_operations pdc_sata_ops = {
 	.scr_write		= pdc_sata_scr_write,
 	.port_start		= pdc_port_start,
 	.port_stop		= pdc_port_stop,
-	.host_stop		= ata_host_stop,
+	.host_stop		= ata_pci_host_stop,
 };
 
 static struct ata_port_operations pdc_pata_ops = {
@@ -153,7 +154,7 @@ static struct ata_port_operations pdc_pata_ops = {
 
 	.port_start		= pdc_port_start,
 	.port_stop		= pdc_port_stop,
-	.host_stop		= ata_host_stop,
+	.host_stop		= ata_pci_host_stop,
 };
 
 static struct ata_port_info pdc_port_info[] = {
@@ -282,7 +283,7 @@ static void pdc_port_stop(struct ata_port *ap)
 
 static void pdc_reset_port(struct ata_port *ap)
 {
-	void *mmio = (void *) ap->ioaddr.cmd_addr + PDC_CTLSTAT;
+	void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT;
 	unsigned int i;
 	u32 tmp;
 
@@ -418,7 +419,7 @@ static inline unsigned int pdc_host_intr( struct ata_port *ap,
 	u8 status;
 	unsigned int handled = 0, have_err = 0;
 	u32 tmp;
-	void *mmio = (void *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
+	void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
 
 	tmp = readl(mmio);
 	if (tmp & PDC_ERR_MASK) {
@@ -447,7 +448,7 @@ static inline unsigned int pdc_host_intr( struct ata_port *ap,
 static void pdc_irq_clear(struct ata_port *ap)
 {
 	struct ata_host_set *host_set = ap->host_set;
-	void *mmio = host_set->mmio_base;
+	void __iomem *mmio = host_set->mmio_base;
 
 	readl(mmio + PDC_INT_SEQMASK);
 }
@@ -459,7 +460,7 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance, struct pt_regs *r
 	u32 mask = 0;
 	unsigned int i, tmp;
 	unsigned int handled = 0;
-	void *mmio_base;
+	void __iomem *mmio_base;
 
 	VPRINTK("ENTER\n");
 
@@ -581,7 +582,7 @@ static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base)
 
 static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
 {
-	void *mmio = pe->mmio_base;
+	void __iomem *mmio = pe->mmio_base;
 	u32 tmp;
 
 	/*
@@ -624,7 +625,7 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 	static int printed_version;
 	struct ata_probe_ent *probe_ent = NULL;
 	unsigned long base;
-	void *mmio_base;
+	void __iomem *mmio_base;
 	unsigned int board_idx = (unsigned int) ent->driver_data;
 	int pci_dev_busy = 0;
 	int rc;
@@ -663,8 +664,7 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 	probe_ent->dev = pci_dev_to_dev(pdev);
 	INIT_LIST_HEAD(&probe_ent->node);
 
-	mmio_base = ioremap(pci_resource_start(pdev, 3),
-		            pci_resource_len(pdev, 3));
+	mmio_base = pci_iomap(pdev, 3, 0);
 	if (mmio_base == NULL) {
 		rc = -ENOMEM;
 		goto err_out_free_ent;
diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c
index 9c99ab433bd3..029c2482e127 100644
--- a/drivers/scsi/sata_qstor.c
+++ b/drivers/scsi/sata_qstor.c
@@ -538,11 +538,12 @@ static void qs_port_stop(struct ata_port *ap)
 static void qs_host_stop(struct ata_host_set *host_set)
 {
 	void __iomem *mmio_base = host_set->mmio_base;
+	struct pci_dev *pdev = to_pci_dev(host_set->dev);
 
 	writeb(0, mmio_base + QS_HCT_CTRL); /* disable host interrupts */
 	writeb(QS_CNFG3_GSRST, mmio_base + QS_HCF_CNFG3); /* global reset */
 
-	ata_host_stop(host_set);
+	pci_iounmap(pdev, mmio_base);
 }
 
 static void qs_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
@@ -646,8 +647,7 @@ static int qs_ata_init_one(struct pci_dev *pdev,
 		goto err_out_regions;
 	}
 
-	mmio_base = ioremap(pci_resource_start(pdev, 4),
-		            pci_resource_len(pdev, 4));
+	mmio_base = pci_iomap(pdev, 4, 0);
 	if (mmio_base == NULL) {
 		rc = -ENOMEM;
 		goto err_out_regions;
@@ -697,7 +697,7 @@ static int qs_ata_init_one(struct pci_dev *pdev,
 	return 0;
 
 err_out_iounmap:
-	iounmap(mmio_base);
+	pci_iounmap(pdev, mmio_base);
 err_out_regions:
 	pci_release_regions(pdev);
 err_out:
diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c
index 71d49548f0a3..ba98a175ee3a 100644
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -86,6 +86,7 @@ static u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg);
 static void sil_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
 static void sil_post_set_mode (struct ata_port *ap);
 
+
 static struct pci_device_id sil_pci_tbl[] = {
 	{ 0x1095, 0x3112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w },
 	{ 0x1095, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w },
@@ -172,7 +173,7 @@ static struct ata_port_operations sil_ops = {
 	.scr_write		= sil_scr_write,
 	.port_start		= ata_port_start,
 	.port_stop		= ata_port_stop,
-	.host_stop		= ata_host_stop,
+	.host_stop		= ata_pci_host_stop,
 };
 
 static struct ata_port_info sil_port_info[] = {
@@ -231,6 +232,7 @@ MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, sil_pci_tbl);
 MODULE_VERSION(DRV_VERSION);
 
+
 static unsigned char sil_get_device_cache_line(struct pci_dev *pdev)
 {
 	u8 cache_line = 0;
@@ -242,7 +244,8 @@ static void sil_post_set_mode (struct ata_port *ap)
 {
 	struct ata_host_set *host_set = ap->host_set;
 	struct ata_device *dev;
-	void *addr = host_set->mmio_base + sil_port[ap->port_no].xfer_mode;
+	void __iomem *addr =
+		host_set->mmio_base + sil_port[ap->port_no].xfer_mode;
 	u32 tmp, dev_mode[2];
 	unsigned int i;
 
@@ -375,7 +378,7 @@ static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	static int printed_version;
 	struct ata_probe_ent *probe_ent = NULL;
 	unsigned long base;
-	void *mmio_base;
+	void __iomem *mmio_base;
 	int rc;
 	unsigned int i;
 	int pci_dev_busy = 0;
@@ -425,8 +428,7 @@ static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
        	probe_ent->irq_flags = SA_SHIRQ;
 	probe_ent->host_flags = sil_port_info[ent->driver_data].host_flags;
 
-	mmio_base = ioremap(pci_resource_start(pdev, 5),
-		            pci_resource_len(pdev, 5));
+	mmio_base = pci_iomap(pdev, 5, 0);
 	if (mmio_base == NULL) {
 		rc = -ENOMEM;
 		goto err_out_free_ent;
diff --git a/drivers/scsi/sata_svw.c b/drivers/scsi/sata_svw.c
index 19d3bb3b0fb6..d89d968bedac 100644
--- a/drivers/scsi/sata_svw.c
+++ b/drivers/scsi/sata_svw.c
@@ -318,7 +318,7 @@ static struct ata_port_operations k2_sata_ops = {
 	.scr_write		= k2_sata_scr_write,
 	.port_start		= ata_port_start,
 	.port_stop		= ata_port_stop,
-	.host_stop		= ata_host_stop,
+	.host_stop		= ata_pci_host_stop,
 };
 
 static void k2_sata_setup_port(struct ata_ioports *port, unsigned long base)
@@ -346,7 +346,7 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 	static int printed_version;
 	struct ata_probe_ent *probe_ent = NULL;
 	unsigned long base;
-	void *mmio_base;
+	void __iomem *mmio_base;
 	int pci_dev_busy = 0;
 	int rc;
 	int i;
@@ -392,8 +392,7 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 	probe_ent->dev = pci_dev_to_dev(pdev);
 	INIT_LIST_HEAD(&probe_ent->node);
 
-	mmio_base = ioremap(pci_resource_start(pdev, 5),
-		            pci_resource_len(pdev, 5));
+	mmio_base = pci_iomap(pdev, 5, 0);
 	if (mmio_base == NULL) {
 		rc = -ENOMEM;
 		goto err_out_free_ent;
diff --git a/drivers/scsi/sata_sx4.c b/drivers/scsi/sata_sx4.c
index c72fcc46f0fa..540a85191172 100644
--- a/drivers/scsi/sata_sx4.c
+++ b/drivers/scsi/sata_sx4.c
@@ -245,13 +245,14 @@ static struct pci_driver pdc_sata_pci_driver = {
 
 static void pdc20621_host_stop(struct ata_host_set *host_set)
 {
+	struct pci_dev *pdev = to_pci_dev(host_set->dev);
 	struct pdc_host_priv *hpriv = host_set->private_data;
 	void *dimm_mmio = hpriv->dimm_mmio;
 
-	iounmap(dimm_mmio);
+	pci_iounmap(pdev, dimm_mmio);
 	kfree(hpriv);
 
-	ata_host_stop(host_set);
+	pci_iounmap(pdev, host_set->mmio_base);
 }
 
 static int pdc_port_start(struct ata_port *ap)
@@ -451,9 +452,9 @@ static void pdc20621_dma_prep(struct ata_queued_cmd *qc)
 	struct scatterlist *sg = qc->sg;
 	struct ata_port *ap = qc->ap;
 	struct pdc_port_priv *pp = ap->private_data;
-	void *mmio = ap->host_set->mmio_base;
+	void __iomem *mmio = ap->host_set->mmio_base;
 	struct pdc_host_priv *hpriv = ap->host_set->private_data;
-	void *dimm_mmio = hpriv->dimm_mmio;
+	void __iomem *dimm_mmio = hpriv->dimm_mmio;
 	unsigned int portno = ap->port_no;
 	unsigned int i, last, idx, total_len = 0, sgt_len;
 	u32 *buf = (u32 *) &pp->dimm_buf[PDC_DIMM_HEADER_SZ];
@@ -513,9 +514,9 @@ static void pdc20621_nodata_prep(struct ata_queued_cmd *qc)
 {
 	struct ata_port *ap = qc->ap;
 	struct pdc_port_priv *pp = ap->private_data;
-	void *mmio = ap->host_set->mmio_base;
+	void __iomem *mmio = ap->host_set->mmio_base;
 	struct pdc_host_priv *hpriv = ap->host_set->private_data;
-	void *dimm_mmio = hpriv->dimm_mmio;
+	void __iomem *dimm_mmio = hpriv->dimm_mmio;
 	unsigned int portno = ap->port_no;
 	unsigned int i;
 
@@ -565,7 +566,7 @@ static void __pdc20621_push_hdma(struct ata_queued_cmd *qc,
 {
 	struct ata_port *ap = qc->ap;
 	struct ata_host_set *host_set = ap->host_set;
-	void *mmio = host_set->mmio_base;
+	void __iomem *mmio = host_set->mmio_base;
 
 	/* hard-code chip #0 */
 	mmio += PDC_CHIP0_OFS;
@@ -639,7 +640,7 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc)
 	struct ata_port *ap = qc->ap;
 	struct ata_host_set *host_set = ap->host_set;
 	unsigned int port_no = ap->port_no;
-	void *mmio = host_set->mmio_base;
+	void __iomem *mmio = host_set->mmio_base;
 	unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE);
 	u8 seq = (u8) (port_no + 1);
 	unsigned int port_ofs;
@@ -699,7 +700,7 @@ static int pdc20621_qc_issue_prot(struct ata_queued_cmd *qc)
 static inline unsigned int pdc20621_host_intr( struct ata_port *ap,
                                           struct ata_queued_cmd *qc,
 					  unsigned int doing_hdma,
-					  void *mmio)
+					  void __iomem *mmio)
 {
 	unsigned int port_no = ap->port_no;
 	unsigned int port_ofs =
@@ -778,7 +779,7 @@ static inline unsigned int pdc20621_host_intr( struct ata_port *ap,
 static void pdc20621_irq_clear(struct ata_port *ap)
 {
 	struct ata_host_set *host_set = ap->host_set;
-	void *mmio = host_set->mmio_base;
+	void __iomem *mmio = host_set->mmio_base;
 
 	mmio += PDC_CHIP0_OFS;
 
@@ -792,7 +793,7 @@ static irqreturn_t pdc20621_interrupt (int irq, void *dev_instance, struct pt_re
 	u32 mask = 0;
 	unsigned int i, tmp, port_no;
 	unsigned int handled = 0;
-	void *mmio_base;
+	void __iomem *mmio_base;
 
 	VPRINTK("ENTER\n");
 
@@ -940,9 +941,9 @@ static void pdc20621_get_from_dimm(struct ata_probe_ent *pe, void *psource,
 	u16 idx;
 	u8 page_mask;
 	long dist;
-	void *mmio = pe->mmio_base;
+	void __iomem *mmio = pe->mmio_base;
 	struct pdc_host_priv *hpriv = pe->private_data;
-	void *dimm_mmio = hpriv->dimm_mmio;
+	void __iomem *dimm_mmio = hpriv->dimm_mmio;
 
 	/* hard-code chip #0 */
 	mmio += PDC_CHIP0_OFS;
@@ -996,9 +997,9 @@ static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, void *psource,
 	u16 idx;
 	u8 page_mask;
 	long dist;
-	void *mmio = pe->mmio_base;
+	void __iomem *mmio = pe->mmio_base;
 	struct pdc_host_priv *hpriv = pe->private_data;
-	void *dimm_mmio = hpriv->dimm_mmio;
+	void __iomem *dimm_mmio = hpriv->dimm_mmio;
 
 	/* hard-code chip #0 */
 	mmio += PDC_CHIP0_OFS;
@@ -1044,7 +1045,7 @@ static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, void *psource,
 static unsigned int pdc20621_i2c_read(struct ata_probe_ent *pe, u32 device,
 				      u32 subaddr, u32 *pdata)
 {
-	void *mmio = pe->mmio_base;
+	void __iomem *mmio = pe->mmio_base;
 	u32 i2creg  = 0;
 	u32 status;
 	u32 count =0;
@@ -1103,7 +1104,7 @@ static int pdc20621_prog_dimm0(struct ata_probe_ent *pe)
 	u32 data = 0;
    	int size, i;
    	u8 bdimmsize;
-   	void *mmio = pe->mmio_base;
+   	void __iomem *mmio = pe->mmio_base;
 	static const struct {
 		unsigned int reg;
 		unsigned int ofs;
@@ -1166,7 +1167,7 @@ static unsigned int pdc20621_prog_dimm_global(struct ata_probe_ent *pe)
 {
 	u32 data, spd0;
    	int error, i;
-   	void *mmio = pe->mmio_base;
+   	void __iomem *mmio = pe->mmio_base;
 
 	/* hard-code chip #0 */
    	mmio += PDC_CHIP0_OFS;
@@ -1220,7 +1221,7 @@ static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe)
 	u32 ticks=0;
 	u32 clock=0;
 	u32 fparam=0;
-   	void *mmio = pe->mmio_base;
+   	void __iomem *mmio = pe->mmio_base;
 
 	/* hard-code chip #0 */
    	mmio += PDC_CHIP0_OFS;
@@ -1344,7 +1345,7 @@ static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe)
 static void pdc_20621_init(struct ata_probe_ent *pe)
 {
 	u32 tmp;
-	void *mmio = pe->mmio_base;
+	void __iomem *mmio = pe->mmio_base;
 
 	/* hard-code chip #0 */
 	mmio += PDC_CHIP0_OFS;
@@ -1377,7 +1378,8 @@ static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *
 	static int printed_version;
 	struct ata_probe_ent *probe_ent = NULL;
 	unsigned long base;
-	void *mmio_base, *dimm_mmio = NULL;
+	void __iomem *mmio_base;
+	void __iomem *dimm_mmio = NULL;
 	struct pdc_host_priv *hpriv = NULL;
 	unsigned int board_idx = (unsigned int) ent->driver_data;
 	int pci_dev_busy = 0;
@@ -1417,8 +1419,7 @@ static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *
 	probe_ent->dev = pci_dev_to_dev(pdev);
 	INIT_LIST_HEAD(&probe_ent->node);
 
-	mmio_base = ioremap(pci_resource_start(pdev, 3),
-		            pci_resource_len(pdev, 3));
+	mmio_base = pci_iomap(pdev, 3, 0);
 	if (mmio_base == NULL) {
 		rc = -ENOMEM;
 		goto err_out_free_ent;
@@ -1432,8 +1433,7 @@ static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *
 	}
 	memset(hpriv, 0, sizeof(*hpriv));
 
-	dimm_mmio = ioremap(pci_resource_start(pdev, 4),
-			    pci_resource_len(pdev, 4));
+	dimm_mmio = pci_iomap(pdev, 4, 0);
 	if (!dimm_mmio) {
 		kfree(hpriv);
 		rc = -ENOMEM;
@@ -1480,9 +1480,9 @@ static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *
 
 err_out_iounmap_dimm:		/* only get to this label if 20621 */
 	kfree(hpriv);
-	iounmap(dimm_mmio);
+	pci_iounmap(pdev, dimm_mmio);
 err_out_iounmap:
-	iounmap(mmio_base);
+	pci_iounmap(pdev, mmio_base);
 err_out_free_ent:
 	kfree(probe_ent);
 err_out_regions:
diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c
index 3985f344da4d..cf94e0158a8d 100644
--- a/drivers/scsi/sata_vsc.c
+++ b/drivers/scsi/sata_vsc.c
@@ -252,7 +252,7 @@ static struct ata_port_operations vsc_sata_ops = {
 	.scr_write		= vsc_sata_scr_write,
 	.port_start		= ata_port_start,
 	.port_stop		= ata_port_stop,
-	.host_stop		= ata_host_stop,
+	.host_stop		= ata_pci_host_stop,
 };
 
 static void __devinit vsc_sata_setup_port(struct ata_ioports *port, unsigned long base)
@@ -326,8 +326,7 @@ static int __devinit vsc_sata_init_one (struct pci_dev *pdev, const struct pci_d
 	probe_ent->dev = pci_dev_to_dev(pdev);
 	INIT_LIST_HEAD(&probe_ent->node);
 
-	mmio_base = ioremap(pci_resource_start(pdev, 0),
-		            pci_resource_len(pdev, 0));
+	mmio_base = pci_iomap(pdev, 0, 0);
 	if (mmio_base == NULL) {
 		rc = -ENOMEM;
 		goto err_out_free_ent;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index fc05a9899288..022105c745fc 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -40,7 +40,6 @@
 #undef ATA_VERBOSE_DEBUG	/* yet more debugging output */
 #undef ATA_IRQ_TRAP		/* define to ack screaming irqs */
 #undef ATA_NDEBUG		/* define to disable quick runtime checks */
-#undef ATA_ENABLE_ATAPI		/* define to enable ATAPI support */
 #undef ATA_ENABLE_PATA		/* define to enable PATA support in some
 				 * low-level drivers */
 #undef ATAPI_ENABLE_DMADIR	/* enables ATAPI DMADIR bridge support */
@@ -450,6 +449,7 @@ struct pci_bits {
 	unsigned long		val;
 };
 
+extern void ata_pci_host_stop (struct ata_host_set *host_set);
 extern struct ata_probe_ent *
 ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port);
 extern int pci_test_config_bits(struct pci_dev *pdev, struct pci_bits *bits);