diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 5dffcfefc3c7..61a56b100c62 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -633,6 +633,14 @@ running once the system is up.
 	inport.irq=	[HW] Inport (ATI XL and Microsoft) busmouse driver
 			Format: <irq>
 
+	combined_mode=	[HW] control which driver uses IDE ports in combined
+			mode: legacy IDE driver, libata, or both
+			(in the libata case, libata.atapi_enabled=1 may be
+			useful as well).  Note that using the ide or libata
+			options may affect your device naming (e.g. by
+			changing hdc to sdb).
+			Format: combined (default), ide, or libata
+
 	inttest=	[IA64]
 
 	io7=		[HW] IO7 for Marvel based alpha systems
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 8b6e2a11e28d..00d683063c01 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -2280,7 +2280,7 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
  	}
 
 	if (unlikely(skge->tx_avail < skb_shinfo(skb)->nr_frags +1)) {
-		if (!netif_stopped(dev)) {
+		if (!netif_queue_stopped(dev)) {
 			netif_stop_queue(dev);
 
 			printk(KERN_WARNING PFX "%s: ring full when queue awake!\n",
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 3a4f49f4effb..f28ebdd3958a 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1098,6 +1098,23 @@ static void __init quirk_alder_ioapic(struct pci_dev *pdev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_EESSC,	quirk_alder_ioapic );
 #endif
 
+enum ide_combined_type { COMBINED = 0, IDE = 1, LIBATA = 2 };
+/* Defaults to combined */
+static enum ide_combined_type combined_mode;
+
+static int __init combined_setup(char *str)
+{
+	if (!strncmp(str, "ide", 3))
+		combined_mode = IDE;
+	else if (!strncmp(str, "libata", 6))
+		combined_mode = LIBATA;
+	else /* "combined" or anything else defaults to old behavior */
+		combined_mode = COMBINED;
+
+	return 1;
+}
+__setup("combined_mode=", combined_setup);
+
 #ifdef CONFIG_SCSI_SATA_INTEL_COMBINED
 static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev)
 {
@@ -1164,6 +1181,19 @@ static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev)
 	if (prog & comb)
 		return;
 
+	/* Don't reserve any so the IDE driver can get them (but only if
+	 * combined_mode=ide).
+	 */
+	if (combined_mode == IDE)
+		return;
+
+	/* Grab them both for libata if combined_mode=libata. */
+	if (combined_mode == LIBATA) {
+		request_region(0x1f0, 8, "libata");	/* port 0 */
+		request_region(0x170, 8, "libata");	/* port 1 */
+		return;
+	}
+
 	/* SATA port is in legacy mode.  Reserve port so that
 	 * IDE driver does not attempt to use it.  If request_region
 	 * fails, it will be obvious at boot time, so we don't bother
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index e2f298b2ade6..665ce382eb23 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -2169,9 +2169,12 @@ ata_scsi_find_dev(struct ata_port *ap, const struct scsi_device *scsidev)
 	if (unlikely(!ata_dev_present(dev)))
 		return NULL;
 
-	if (!atapi_enabled) {
-		if (unlikely(dev->class == ATA_DEV_ATAPI))
+	if (!atapi_enabled || (ap->flags & ATA_FLAG_NO_ATAPI)) {
+		if (unlikely(dev->class == ATA_DEV_ATAPI)) {
+			printk(KERN_WARNING "ata%u(%u): WARNING: ATAPI is %s, device ignored.\n",
+			       ap->id, dev->devno, atapi_enabled ? "not supported with this driver" : "disabled");
 			return NULL;
+		}
 	}
 
 	return dev;
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index 3e7866b51ac6..b2bf16a9bf4b 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -86,7 +86,8 @@ enum {
 	MV_FLAG_DUAL_HC		= (1 << 30),  /* two SATA Host Controllers */
 	MV_FLAG_IRQ_COALESCE	= (1 << 29),  /* IRQ coalescing capability */
 	MV_COMMON_FLAGS		= (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-				   ATA_FLAG_SATA_RESET | ATA_FLAG_MMIO),
+				   ATA_FLAG_SATA_RESET | ATA_FLAG_MMIO |
+				   ATA_FLAG_NO_ATAPI),
 	MV_6XXX_FLAGS		= MV_FLAG_IRQ_COALESCE,
 
 	CRQB_FLAG_READ		= (1 << 0),
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index e2e146a14f97..da7fa04b8a73 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -70,6 +70,9 @@ enum {
 	PDC_HAS_PATA		= (1 << 1), /* PDC20375 has PATA */
 
 	PDC_RESET		= (1 << 11), /* HDMA reset */
+
+	PDC_COMMON_FLAGS	= ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST |
+				  ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI,
 };
 
 
@@ -162,8 +165,7 @@ static const struct ata_port_info pdc_port_info[] = {
 	/* board_2037x */
 	{
 		.sht		= &pdc_ata_sht,
-		.host_flags	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-				  ATA_FLAG_SRST | ATA_FLAG_MMIO,
+		.host_flags	= PDC_COMMON_FLAGS | ATA_FLAG_SATA,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
@@ -173,8 +175,7 @@ static const struct ata_port_info pdc_port_info[] = {
 	/* board_20319 */
 	{
 		.sht		= &pdc_ata_sht,
-		.host_flags	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-				  ATA_FLAG_SRST | ATA_FLAG_MMIO,
+		.host_flags	= PDC_COMMON_FLAGS | ATA_FLAG_SATA,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
@@ -184,8 +185,7 @@ static const struct ata_port_info pdc_port_info[] = {
 	/* board_20619 */
 	{
 		.sht		= &pdc_ata_sht,
-		.host_flags	= ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST |
-				  ATA_FLAG_MMIO | ATA_FLAG_SLAVE_POSS,
+		.host_flags	= PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
diff --git a/drivers/scsi/sata_sx4.c b/drivers/scsi/sata_sx4.c
index 58da854a7c68..94b253b80da8 100644
--- a/drivers/scsi/sata_sx4.c
+++ b/drivers/scsi/sata_sx4.c
@@ -220,7 +220,8 @@ static const struct ata_port_info pdc_port_info[] = {
 	{
 		.sht		= &pdc_sata_sht,
 		.host_flags	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-				  ATA_FLAG_SRST | ATA_FLAG_MMIO,
+				  ATA_FLAG_SRST | ATA_FLAG_MMIO |
+				  ATA_FLAG_NO_ATAPI,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
diff --git a/include/asm-ia64/sal.h b/include/asm-ia64/sal.h
index 29df88bdd2bc..313cad0628d0 100644
--- a/include/asm-ia64/sal.h
+++ b/include/asm-ia64/sal.h
@@ -320,7 +320,8 @@ typedef struct sal_log_timestamp {
 typedef struct sal_log_record_header {
 	u64 id;				/* Unique monotonically increasing ID */
 	sal_log_revision_t revision;	/* Major and Minor revision of header */
-	u16 severity;			/* Error Severity */
+	u8 severity;			/* Error Severity */
+	u8 validation_bits;		/* 0: platform_guid, 1: !timestamp */
 	u32 len;			/* Length of this error log in bytes */
 	sal_log_timestamp_t timestamp;	/* Timestamp */
 	efi_guid_t platform_guid;	/* Unique OEM Platform ID */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 46337e71613e..e828e172ccbf 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -122,6 +122,7 @@ enum {
 	ATA_FLAG_NOINTR		= (1 << 9), /* FIXME: Remove this once
 					     * proper HSM is in place. */
 	ATA_FLAG_DEBUGMSG	= (1 << 10),
+	ATA_FLAG_NO_ATAPI	= (1 << 11), /* No ATAPI support */
 
 	ATA_QCFLAG_ACTIVE	= (1 << 1), /* cmd not yet ack'd to scsi lyer */
 	ATA_QCFLAG_SG		= (1 << 3), /* have s/g table? */
diff --git a/init/Kconfig b/init/Kconfig
index ea097e0a9c02..be74adb389ea 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -206,7 +206,7 @@ config HOTPLUG
 	  outside the kernel tree does. Such modules require Y here.
 
 config KOBJECT_UEVENT
-	bool "Kernel Userspace Events"
+	bool "Kernel Userspace Events" if EMBEDDED
 	depends on NET
 	default y
 	help
@@ -339,7 +339,7 @@ config EPOLL
 	  support for epoll family of system calls.
 
 config CC_OPTIMIZE_FOR_SIZE
-	bool "Optimize for size" if EMBEDDED
+	bool "Optimize for size"
 	default y if ARM || H8300
 	help
 	  Enabling this option will pass "-Os" instead of "-O2" to gcc