10 files changed, 59 insertions, 14 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 5dffcfefc3c..61a56b100c6 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 8b6e2a11e28..00d683063c0 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 3a4f49f4eff..f28ebdd3958 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 e2f298b2ade..665ce382eb2 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 3e7866b51ac..b2bf16a9bf4 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 e2e146a14f9..da7fa04b8a7 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 58da854a7c6..94b253b80da 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 29df88bdd2b..313cad0628d 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 46337e71613..e828e172ccb 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 ea097e0a9c0..be74adb389e 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