Merge branch 'merge'

13 files changed, 308 insertions, 279 deletions

diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index a7a111db25b..8a36ba8868d 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -334,7 +334,7 @@ config COMPAT
 	default y
 
 config BINFMT_ELF32
-	tristate "Kernel support for 32-bit ELF binaries"
+	bool "Kernel support for 32-bit ELF binaries"
 	depends on SPARC32_COMPAT
 	help
 	  This allows you to run 32-bit Linux/ELF binaries on your Ultra.
diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig
index b2f41147d0e..43d9229fca0 100644
--- a/arch/sparc64/defconfig
+++ b/arch/sparc64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.17
-# Fri Jun 23 23:17:09 2006
+# Linux kernel version: 2.6.18-rc2
+# Fri Jul 21 14:19:24 2006
 #
 CONFIG_SPARC=y
 CONFIG_SPARC64=y
@@ -18,6 +18,7 @@ CONFIG_SECCOMP=y
 CONFIG_HZ_250=y
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
 # Code maturity level options
@@ -35,6 +36,7 @@ CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
@@ -51,10 +53,12 @@ CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
+CONFIG_RT_MUTEXES=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
 CONFIG_SLAB=y
+CONFIG_VM_EVENT_COUNTERS=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 # CONFIG_SLOB is not set
@@ -127,8 +131,8 @@ CONFIG_SPARSEMEM=y
 CONFIG_HAVE_MEMORY_PRESENT=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPARSEMEM_EXTREME=y
-CONFIG_MEMORY_HOTPLUG=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_RESOURCES_64BIT=y
 CONFIG_GENERIC_ISA_DMA=y
 CONFIG_SBUS=y
 CONFIG_SBUSCHAR=y
@@ -203,7 +207,6 @@ CONFIG_TCP_CONG_VEGAS=m
 CONFIG_TCP_CONG_SCALABLE=m
 CONFIG_TCP_CONG_LP=m
 CONFIG_TCP_CONG_VENO=m
-CONFIG_TCP_CONG_COMPOUND=m
 CONFIG_IPV6=m
 CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
@@ -461,9 +464,8 @@ CONFIG_MD_LINEAR=m
 CONFIG_MD_RAID0=m
 CONFIG_MD_RAID1=m
 CONFIG_MD_RAID10=m
-CONFIG_MD_RAID5=m
+CONFIG_MD_RAID456=m
 # CONFIG_MD_RAID5_RESHAPE is not set
-CONFIG_MD_RAID6=m
 CONFIG_MD_MULTIPATH=m
 # CONFIG_MD_FAULTY is not set
 CONFIG_BLK_DEV_DM=m
@@ -663,6 +665,7 @@ CONFIG_SERIO_RAW=m
 CONFIG_VT=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -693,6 +696,7 @@ CONFIG_UNIX98_PTYS=y
 # Watchdog Cards
 #
 # CONFIG_WATCHDOG is not set
+# CONFIG_HW_RANDOM is not set
 CONFIG_RTC=y
 # CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
@@ -839,12 +843,13 @@ CONFIG_VIDEO_V4L2=y
 #
 # Graphics support
 #
+# CONFIG_FIRMWARE_EDID is not set
 CONFIG_FB=y
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
 # CONFIG_FB_MACMODES is not set
-# CONFIG_FB_FIRMWARE_EDID is not set
+# CONFIG_FB_BACKLIGHT is not set
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_TILEBLITTING=y
 # CONFIG_FB_CIRRUS is not set
@@ -954,6 +959,18 @@ CONFIG_SND_ALI5451=m
 # CONFIG_SND_CMIPCI is not set
 # CONFIG_SND_CS4281 is not set
 # CONFIG_SND_CS46XX is not set
+# CONFIG_SND_DARLA20 is not set
+# CONFIG_SND_GINA20 is not set
+# CONFIG_SND_LAYLA20 is not set
+# CONFIG_SND_DARLA24 is not set
+# CONFIG_SND_GINA24 is not set
+# CONFIG_SND_LAYLA24 is not set
+# CONFIG_SND_MONA is not set
+# CONFIG_SND_MIA is not set
+# CONFIG_SND_ECHO3G is not set
+# CONFIG_SND_INDIGO is not set
+# CONFIG_SND_INDIGOIO is not set
+# CONFIG_SND_INDIGODJ is not set
 # CONFIG_SND_EMU10K1 is not set
 # CONFIG_SND_EMU10K1X is not set
 # CONFIG_SND_ENS1370 is not set
@@ -1104,7 +1121,7 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
 # CONFIG_USB_LED is not set
-# CONFIG_USB_CY7C63 is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
 # CONFIG_USB_PHIDGETKIT is not set
 # CONFIG_USB_PHIDGETSERVO is not set
@@ -1331,14 +1348,19 @@ CONFIG_KPROBES=y
 #
 CONFIG_PRINTK_TIME=y
 CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=18
 CONFIG_DETECT_SOFTLOCKUP=y
 CONFIG_SCHEDSTATS=y
 # CONFIG_DEBUG_SLAB is not set
-# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
 # CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_RWSEMS is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_INFO is not set
@@ -1402,3 +1424,4 @@ CONFIG_CRC32=y
 CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
diff --git a/arch/sparc64/kernel/devices.c b/arch/sparc64/kernel/devices.c
index f8ef2f2b9b3..ec10f7edcf8 100644
--- a/arch/sparc64/kernel/devices.c
+++ b/arch/sparc64/kernel/devices.c
@@ -66,9 +66,6 @@ static int check_cpu_node(struct device_node *dp, int *cur_inst,
 			  void *compare_arg,
 			  struct device_node **dev_node, int *mid)
 {
-	if (strcmp(dp->type, "cpu"))
-		return -ENODEV;
-
 	if (!compare(dp, *cur_inst, compare_arg)) {
 		if (dev_node)
 			*dev_node = dp;
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 75684b56767..c8e9dc9d68a 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -551,9 +551,10 @@ setup_trap_table:
 	save	%sp, -192, %sp
 
 	/* Force interrupts to be disabled. */
-	rdpr	%pstate, %o1
-	andn	%o1, PSTATE_IE, %o1
+	rdpr	%pstate, %l0
+	andn	%l0, PSTATE_IE, %o1
 	wrpr	%o1, 0x0, %pstate
+	rdpr	%pil, %l1
 	wrpr	%g0, 15, %pil
 
 	/* Make the firmware call to jump over to the Linux trap table.  */
@@ -622,11 +623,9 @@ setup_trap_table:
 	call	init_irqwork_curcpu
 	 nop
 
-	/* Now we can turn interrupts back on. */
-	rdpr	%pstate, %o1
-	or	%o1, PSTATE_IE, %o1
-	wrpr	%o1, 0, %pstate
-	wrpr	%g0, 0x0, %pil
+	/* Now we can restore interrupt state. */
+	wrpr	%l0, 0, %pstate
+	wrpr	%l1, 0x0, %pil
 
 	ret
 	 restore
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 169b017eec0..238bbf6de07 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -210,7 +210,7 @@ struct bus_type of_bus_type = {
 };
 EXPORT_SYMBOL(of_bus_type);
 
-static inline u64 of_read_addr(u32 *cell, int size)
+static inline u64 of_read_addr(const u32 *cell, int size)
 {
 	u64 r = 0;
 	while (size--)
@@ -236,8 +236,8 @@ struct of_bus {
 	int		(*match)(struct device_node *parent);
 	void		(*count_cells)(struct device_node *child,
 				       int *addrc, int *sizec);
-	u64		(*map)(u32 *addr, u32 *range, int na, int ns, int pna);
-	int		(*translate)(u32 *addr, u64 offset, int na);
+	int		(*map)(u32 *addr, const u32 *range,
+			       int na, int ns, int pna);
 	unsigned int	(*get_flags)(u32 *addr);
 };
 
@@ -251,27 +251,49 @@ static void of_bus_default_count_cells(struct device_node *dev,
 	get_cells(dev, addrc, sizec);
 }
 
-static u64 of_bus_default_map(u32 *addr, u32 *range, int na, int ns, int pna)
+/* Make sure the least significant 64-bits are in-range.  Even
+ * for 3 or 4 cell values it is a good enough approximation.
+ */
+static int of_out_of_range(const u32 *addr, const u32 *base,
+			   const u32 *size, int na, int ns)
 {
-	u64 cp, s, da;
+	u64 a = of_read_addr(addr, na);
+	u64 b = of_read_addr(base, na);
+
+	if (a < b)
+		return 1;
 
-	cp = of_read_addr(range, na);
-	s  = of_read_addr(range + na + pna, ns);
-	da = of_read_addr(addr, na);
+	b += of_read_addr(size, ns);
+	if (a >= b)
+		return 1;
 
-	if (da < cp || da >= (cp + s))
-		return OF_BAD_ADDR;
-	return da - cp;
+	return 0;
 }
 
-static int of_bus_default_translate(u32 *addr, u64 offset, int na)
+static int of_bus_default_map(u32 *addr, const u32 *range,
+			      int na, int ns, int pna)
 {
-	u64 a = of_read_addr(addr, na);
-	memset(addr, 0, na * 4);
-	a += offset;
-	if (na > 1)
-		addr[na - 2] = a >> 32;
-	addr[na - 1] = a & 0xffffffffu;
+	u32 result[OF_MAX_ADDR_CELLS];
+	int i;
+
+	if (ns > 2) {
+		printk("of_device: Cannot handle size cells (%d) > 2.", ns);
+		return -EINVAL;
+	}
+
+	if (of_out_of_range(addr, range, range + na + pna, na, ns))
+		return -EINVAL;
+
+	/* Start with the parent range base.  */
+	memcpy(result, range + na, pna * 4);
+
+	/* Add in the child address offset.  */
+	for (i = 0; i < na; i++)
+		result[pna - 1 - i] +=
+			(addr[na - 1 - i] -
+			 range[na - 1 - i]);
+
+	memcpy(addr, result, pna * 4);
 
 	return 0;
 }
@@ -287,7 +309,20 @@ static unsigned int of_bus_default_get_flags(u32 *addr)
 
 static int of_bus_pci_match(struct device_node *np)
 {
-	return !strcmp(np->type, "pci") || !strcmp(np->type, "pciex");
+	if (!strcmp(np->type, "pci") || !strcmp(np->type, "pciex")) {
+		/* Do not do PCI specific frobbing if the
+		 * PCI bridge lacks a ranges property.  We
+		 * want to pass it through up to the next
+		 * parent as-is, not with the PCI translate
+		 * method which chops off the top address cell.
+		 */
+		if (!of_find_property(np, "ranges", NULL))
+			return 0;
+
+		return 1;
+	}
+
+	return 0;
 }
 
 static void of_bus_pci_count_cells(struct device_node *np,
@@ -299,27 +334,32 @@ static void of_bus_pci_count_cells(struct device_node *np,
 		*sizec = 2;
 }
 
-static u64 of_bus_pci_map(u32 *addr, u32 *range, int na, int ns, int pna)
+static int of_bus_pci_map(u32 *addr, const u32 *range,
+			  int na, int ns, int pna)
 {
-	u64 cp, s, da;
+	u32 result[OF_MAX_ADDR_CELLS];
+	int i;
 
 	/* Check address type match */
 	if ((addr[0] ^ range[0]) & 0x03000000)
-		return OF_BAD_ADDR;
+		return -EINVAL;
 
-	/* Read address values, skipping high cell */
-	cp = of_read_addr(range + 1, na - 1);
-	s  = of_read_addr(range + na + pna, ns);
-	da = of_read_addr(addr + 1, na - 1);
+	if (of_out_of_range(addr + 1, range + 1, range + na + pna,
+			    na - 1, ns))
+		return -EINVAL;
 
-	if (da < cp || da >= (cp + s))
-		return OF_BAD_ADDR;
-	return da - cp;
-}
+	/* Start with the parent range base.  */
+	memcpy(result, range + na, pna * 4);
 
-static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
-{
-	return of_bus_default_translate(addr + 1, offset, na - 1);
+	/* Add in the child address offset, skipping high cell.  */
+	for (i = 0; i < na - 1; i++)
+		result[pna - 1 - i] +=
+			(addr[na - 1 - i] -
+			 range[na - 1 - i]);
+
+	memcpy(addr, result, pna * 4);
+
+	return 0;
 }
 
 static unsigned int of_bus_pci_get_flags(u32 *addr)
@@ -340,59 +380,6 @@ static unsigned int of_bus_pci_get_flags(u32 *addr)
 }
 
 /*
- * ISA bus specific translator
- */
-
-static int of_bus_isa_match(struct device_node *np)
-{
-	return !strcmp(np->name, "isa");
-}
-
-static void of_bus_isa_count_cells(struct device_node *child,
-				   int *addrc, int *sizec)
-{
-	if (addrc)
-		*addrc = 2;
-	if (sizec)
-		*sizec = 1;
-}
-
-static u64 of_bus_isa_map(u32 *addr, u32 *range, int na, int ns, int pna)
-{
-	u64 cp, s, da;
-
-	/* Check address type match */
-	if ((addr[0] ^ range[0]) & 0x00000001)
-		return OF_BAD_ADDR;
-
-	/* Read address values, skipping high cell */
-	cp = of_read_addr(range + 1, na - 1);
-	s  = of_read_addr(range + na + pna, ns);
-	da = of_read_addr(addr + 1, na - 1);
-
-	if (da < cp || da >= (cp + s))
-		return OF_BAD_ADDR;
-	return da - cp;
-}
-
-static int of_bus_isa_translate(u32 *addr, u64 offset, int na)
-{
-	return of_bus_default_translate(addr + 1, offset, na - 1);
-}
-
-static unsigned int of_bus_isa_get_flags(u32 *addr)
-{
-	unsigned int flags = 0;
-	u32 w = addr[0];
-
-	if (w & 1)
-		flags |= IORESOURCE_IO;
-	else
-		flags |= IORESOURCE_MEM;
-	return flags;
-}
-
-/*
  * SBUS bus specific translator
  */
 
@@ -411,16 +398,11 @@ static void of_bus_sbus_count_cells(struct device_node *child,
 		*sizec = 1;
 }
 
-static u64 of_bus_sbus_map(u32 *addr, u32 *range, int na, int ns, int pna)
+static int of_bus_sbus_map(u32 *addr, const u32 *range, int na, int ns, int pna)
 {
 	return of_bus_default_map(addr, range, na, ns, pna);
 }
 
-static int of_bus_sbus_translate(u32 *addr, u64 offset, int na)
-{
-	return of_bus_default_translate(addr, offset, na);
-}
-
 static unsigned int of_bus_sbus_get_flags(u32 *addr)
 {
 	return IORESOURCE_MEM;
@@ -439,19 +421,8 @@ static struct of_bus of_busses[] = {
 		.match = of_bus_pci_match,
 		.count_cells = of_bus_pci_count_cells,
 		.map = of_bus_pci_map,
-		.translate = of_bus_pci_translate,
 		.get_flags = of_bus_pci_get_flags,
 	},
-	/* ISA */
-	{
-		.name = "isa",
-		.addr_prop_name = "reg",
-		.match = of_bus_isa_match,
-		.count_cells = of_bus_isa_count_cells,
-		.map = of_bus_isa_map,
-		.translate = of_bus_isa_translate,
-		.get_flags = of_bus_isa_get_flags,
-	},
 	/* SBUS */
 	{
 		.name = "sbus",
@@ -459,7 +430,6 @@ static struct of_bus of_busses[] = {
 		.match = of_bus_sbus_match,
 		.count_cells = of_bus_sbus_count_cells,
 		.map = of_bus_sbus_map,
-		.translate = of_bus_sbus_translate,
 		.get_flags = of_bus_sbus_get_flags,
 	},
 	/* Default */
@@ -469,7 +439,6 @@ static struct of_bus of_busses[] = {
 		.match = NULL,
 		.count_cells = of_bus_default_count_cells,
 		.map = of_bus_default_map,
-		.translate = of_bus_default_translate,
 		.get_flags = of_bus_default_get_flags,
 	},
 };
@@ -494,33 +463,62 @@ static int __init build_one_resource(struct device_node *parent,
 	u32 *ranges;
 	unsigned int rlen;
 	int rone;
-	u64 offset = OF_BAD_ADDR;
 
 	ranges = of_get_property(parent, "ranges", &rlen);
 	if (ranges == NULL || rlen == 0) {
-		offset = of_read_addr(addr, na);
-		memset(addr, 0, pna * 4);
-		goto finish;
+		u32 result[OF_MAX_ADDR_CELLS];
+		int i;
+
+		memset(result, 0, pna * 4);
+		for (i = 0; i < na; i++)
+			result[pna - 1 - i] =
+				addr[na - 1 - i];
+
+		memcpy(addr, result, pna * 4);
+		return 0;
 	}
 
 	/* Now walk through the ranges */
 	rlen /= 4;
 	rone = na + pna + ns;
 	for (; rlen >= rone; rlen -= rone, ranges += rone) {
-		offset = bus->map(addr, ranges, na, ns, pna);
-		if (offset != OF_BAD_ADDR)
-			break;
+		if (!bus->map(addr, ranges, na, ns, pna))
+			return 0;
 	}
-	if (offset == OF_BAD_ADDR)
+
+	return 1;
+}
+
+static int __init use_1to1_mapping(struct device_node *pp)
+{
+	char *model;
+
+	/* If this is on the PMU bus, don't try to translate it even
+	 * if a ranges property exists.
+	 */
+	if (!strcmp(pp->name, "pmu"))
 		return 1;
 
-	memcpy(addr, ranges + na, 4 * pna);
+	/* If we have a ranges property in the parent, use it.  */
+	if (of_find_property(pp, "ranges", NULL) != NULL)
+		return 0;
+
+	/* If the parent is the dma node of an ISA bus, pass
+	 * the translation up to the root.
+	 */
+	if (!strcmp(pp->name, "dma"))
+		return 0;
+
+	/* Similarly for Simba PCI bridges.  */
+	model = of_get_property(pp, "model", NULL);
+	if (model && !strcmp(model, "SUNW,simba"))
+		return 0;
 
-finish:
-	/* Translate it into parent bus space */
-	return pbus->translate(addr, offset, pna);
+	return 1;
 }
 
+static int of_resource_verbose;
+
 static void __init build_device_resources(struct of_device *op,
 					  struct device *parent)
 {
@@ -544,9 +542,17 @@ static void __init build_device_resources(struct of_device *op,
 	/* Convert to num-cells.  */
 	num_reg /= 4;
 
-	/* Conver to num-entries.  */
+	/* Convert to num-entries.  */
 	num_reg /= na + ns;
 
+	/* Prevent overruning the op->resources[] array.  */
+	if (num_reg > PROMREG_MAX) {
+		printk(KERN_WARNING "%s: Too many regs (%d), "
+		       "limiting to %d.\n",
+		       op->node->full_name, num_reg, PROMREG_MAX);
+		num_reg = PROMREG_MAX;
+	}
+
 	for (index = 0; index < num_reg; index++) {
 		struct resource *r = &op->resource[index];
 		u32 addr[OF_MAX_ADDR_CELLS];
@@ -564,15 +570,7 @@ static void __init build_device_resources(struct of_device *op,
 
 		memcpy(addr, reg, na * 4);
 
-		/* If the immediate parent has no ranges property to apply,
-		 * just use a 1<->1 mapping.  Unless it is the 'dma' child
-		 * of an isa bus, which must be passed up towards the root.
-		 *
-		 * Also, don't try to translate PMU bus device registers.
-		 */
-		if ((of_find_property(pp, "ranges", NULL) == NULL &&
-		     strcmp(pp->name, "dma") != 0) ||
-		    !strcmp(pp->name, "pmu")) {
+		if (use_1to1_mapping(pp)) {
 			result = of_read_addr(addr, na);
 			goto build_res;
 		}
@@ -591,7 +589,8 @@ static void __init build_device_resources(struct of_device *op,
 			pbus = of_match_bus(pp);
 			pbus->count_cells(dp, &pna, &pns);
 
-			if (build_one_resource(dp, bus, pbus, addr, dna, dns, pna))
+			if (build_one_resource(dp, bus, pbus, addr,
+					       dna, dns, pna))
 				break;
 
 			dna = pna;
@@ -601,6 +600,12 @@ static void __init build_device_resources(struct of_device *op,
 
 	build_res:
 		memset(r, 0, sizeof(*r));
+
+		if (of_resource_verbose)
+			printk("%s reg[%d] -> %lx\n",
+			       op->node->full_name, index,
+			       result);
+
 		if (result != OF_BAD_ADDR) {
 			if (tlb_type == hypervisor)
 				result &= 0x0fffffffffffffffUL;
@@ -653,8 +658,22 @@ apply_interrupt_map(struct device_node *dp, struct device_node *pp,
 	next:
 		imap += (na + 3);
 	}
-	if (i == imlen)
+	if (i == imlen) {
+		/* Psycho and Sabre PCI controllers can have 'interrupt-map'
+		 * properties that do not include the on-board device
+		 * interrupts.  Instead, the device's 'interrupts' property
+		 * is already a fully specified INO value.
+		 *
+		 * Handle this by deciding that, if we didn't get a
+		 * match in the parent's 'interrupt-map', and the
+		 * parent is an IRQ translater, then use the parent as
+		 * our IRQ controller.
+		 */
+		if (pp->irq_trans)
+			return pp;
+
 		return NULL;
+	}
 
 	*irq_p = irq;
 	cp = of_find_node_by_phandle(handle);
@@ -684,6 +703,8 @@ static unsigned int __init pci_irq_swizzle(struct device_node *dp,
 	return ret;
 }
 
+static int of_irq_verbose;
+
 static unsigned int __init build_one_device_irq(struct of_device *op,
 						struct device *parent,
 						unsigned int irq)
@@ -698,10 +719,11 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 	if (dp->irq_trans) {
 		irq = dp->irq_trans->irq_build(dp, irq,
 					       dp->irq_trans->data);
-#if 1
-		printk("%s: direct translate %x --> %x\n",
-		       dp->full_name, orig_irq, irq);
-#endif
+
+		if (of_irq_verbose)
+			printk("%s: direct translate %x --> %x\n",
+			       dp->full_name, orig_irq, irq);
+
 		return irq;
 	}
 
@@ -728,12 +750,13 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 			iret = apply_interrupt_map(dp, pp,
 						   imap, imlen, imsk,
 						   &irq);
-#if 1
-			printk("%s: Apply [%s:%x] imap --> [%s:%x]\n",
-			       op->node->full_name,
-			       pp->full_name, this_orig_irq,
-			       (iret ? iret->full_name : "NULL"), irq);
-#endif
+
+			if (of_irq_verbose)
+				printk("%s: Apply [%s:%x] imap --> [%s:%x]\n",
+				       op->node->full_name,
+				       pp->full_name, this_orig_irq,
+				       (iret ? iret->full_name : "NULL"), irq);
+
 			if (!iret)
 				break;
 
@@ -747,11 +770,13 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 				unsigned int this_orig_irq = irq;
 
 				irq = pci_irq_swizzle(dp, pp, irq);
-#if 1
-				printk("%s: PCI swizzle [%s] %x --> %x\n",
-				       op->node->full_name,
-				       pp->full_name, this_orig_irq, irq);
-#endif
+				if (of_irq_verbose)
+					printk("%s: PCI swizzle [%s] "
+					       "%x --> %x\n",
+					       op->node->full_name,
+					       pp->full_name, this_orig_irq,
+					       irq);
+
 			}
 
 			if (pp->irq_trans) {
@@ -767,10 +792,9 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 
 	irq = ip->irq_trans->irq_build(op->node, irq,
 				       ip->irq_trans->data);
-#if 1
-	printk("%s: Apply IRQ trans [%s] %x --> %x\n",
-	       op->node->full_name, ip->full_name, orig_irq, irq);
-#endif
+	if (of_irq_verbose)
+		printk("%s: Apply IRQ trans [%s] %x --> %x\n",
+		       op->node->full_name, ip->full_name, orig_irq, irq);
 
 	return irq;
 }
@@ -801,6 +825,14 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 		op->num_irqs = 0;
 	}
 
+	/* Prevent overruning the op->irqs[] array.  */
+	if (op->num_irqs > PROMINTR_MAX) {
+		printk(KERN_WARNING "%s: Too many irqs (%d), "
+		       "limiting to %d.\n",
+		       dp->full_name, op->num_irqs, PROMINTR_MAX);
+		op->num_irqs = PROMINTR_MAX;
+	}
+
 	build_device_resources(op, parent);
 	for (i = 0; i < op->num_irqs; i++)
 		op->irqs[i] = build_one_device_irq(op, parent, op->irqs[i]);
@@ -870,6 +902,20 @@ static int __init of_bus_driver_init(void)
 
 postcore_initcall(of_bus_driver_init);
 
+static int __init of_debug(char *str)
+{
+	int val = 0;
+
+	get_option(&str, &val);
+	if (val & 1)
+		of_resource_verbose = 1;
+	if (val & 2)
+		of_irq_verbose = 1;
+	return 1;
+}
+
+__setup("of_debug=", of_debug);
+
 int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
 {
 	/* initialize common driver fields */
@@ -922,9 +968,11 @@ int of_device_register(struct of_device *ofdev)
 	if (rc)
 		return rc;
 
-	device_create_file(&ofdev->dev, &dev_attr_devspec);
+	rc = device_create_file(&ofdev->dev, &dev_attr_devspec);
+	if (rc)
+		device_unregister(&ofdev->dev);
 
-	return 0;
+	return rc;
 }
 
 void of_device_unregister(struct of_device *ofdev)
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 197a7ffd57e..1ec0aab68c0 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -1099,9 +1099,6 @@ static void pbm_register_toplevel_resources(struct pci_controller_info *p,
 {
 	char *name = pbm->name;
 
-	sprintf(name, "PSYCHO%d PBM%c",
-		p->index,
-		(pbm == &p->pbm_A ? 'A' : 'B'));
 	pbm->io_space.name = pbm->mem_space.name = name;
 
 	request_resource(&ioport_resource, &pbm->io_space);
@@ -1203,12 +1200,13 @@ static void psycho_pbm_init(struct pci_controller_info *p,
 	pbm->io_space.flags = IORESOURCE_IO;
 	pbm->mem_space.end = pbm->mem_space.start + PSYCHO_MEMSPACE_SIZE;
 	pbm->mem_space.flags = IORESOURCE_MEM;
-	pbm_register_toplevel_resources(p, pbm);
 
 	pbm->parent = p;
 	pbm->prom_node = dp;
 	pbm->name = dp->full_name;
 
+	pbm_register_toplevel_resources(p, pbm);
+
 	printk("%s: PSYCHO PCI Bus Module ver[%x:%x]\n",
 	       pbm->name,
 	       pbm->chip_version, pbm->chip_revision);
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index 99daeee4209..5cc5ab63293 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -344,10 +344,12 @@ static unsigned long __psycho_onboard_imap_off[] = {
 /*0x2f*/	PSYCHO_IMAP_CE,
 /*0x30*/	PSYCHO_IMAP_A_ERR,
 /*0x31*/	PSYCHO_IMAP_B_ERR,
-/*0x32*/	PSYCHO_IMAP_PMGMT
+/*0x32*/	PSYCHO_IMAP_PMGMT,
+/*0x33*/	PSYCHO_IMAP_GFX,
+/*0x34*/	PSYCHO_IMAP_EUPA,
 };
 #define PSYCHO_ONBOARD_IRQ_BASE		0x20
-#define PSYCHO_ONBOARD_IRQ_LAST		0x32
+#define PSYCHO_ONBOARD_IRQ_LAST		0x34
 #define psycho_onboard_imap_offset(__ino) \
 	__psycho_onboard_imap_off[(__ino) - PSYCHO_ONBOARD_IRQ_BASE]
 
@@ -529,6 +531,10 @@ static unsigned long __sabre_onboard_imap_off[] = {
 /*0x2e*/	SABRE_IMAP_UE,
 /*0x2f*/	SABRE_IMAP_CE,
 /*0x30*/	SABRE_IMAP_PCIERR,
+/*0x31*/	0 /* reserved */,
+/*0x32*/	0 /* reserved */,
+/*0x33*/	SABRE_IMAP_GFX,
+/*0x34*/	SABRE_IMAP_EUPA,
 };
 #define SABRE_ONBOARD_IRQ_BASE		0x20
 #define SABRE_ONBOARD_IRQ_LAST		0x30
@@ -539,6 +545,45 @@ static unsigned long __sabre_onboard_imap_off[] = {
 	((ino & 0x20) ? (SABRE_ICLR_SCSI + (((ino) & 0x1f) << 3)) :  \
 			(SABRE_ICLR_A_SLOT0 + (((ino) & 0x1f)<<3)))
 
+static int sabre_device_needs_wsync(struct device_node *dp)
+{
+	struct device_node *parent = dp->parent;
+	char *parent_model, *parent_compat;
+
+	/* This traversal up towards the root is meant to
+	 * handle two cases:
+	 *
+	 * 1) non-PCI bus sitting under PCI, such as 'ebus'
+	 * 2) the PCI controller interrupts themselves, which
+	 *    will use the sabre_irq_build but do not need
+	 *    the DMA synchronization handling
+	 */
+	while (parent) {
+		if (!strcmp(parent->type, "pci"))
+			break;
+		parent = parent->parent;
+	}
+
+	if (!parent)
+		return 0;
+
+	parent_model = of_get_property(parent,
+				       "model", NULL);
+	if (parent_model &&
+	    (!strcmp(parent_model, "SUNW,sabre") ||
+	     !strcmp(parent_model, "SUNW,simba")))
+		return 0;
+
+	parent_compat = of_get_property(parent,
+					"compatible", NULL);
+	if (parent_compat &&
+	    (!strcmp(parent_compat, "pci108e,a000") ||
+	     !strcmp(parent_compat, "pci108e,a001")))
+		return 0;
+
+	return 1;
+}
+
 static unsigned int sabre_irq_build(struct device_node *dp,
 				    unsigned int ino,
 				    void *_data)
@@ -577,15 +622,17 @@ static unsigned int sabre_irq_build(struct device_node *dp,
 
 	virt_irq = build_irq(inofixup, iclr, imap);
 
+	/* If the parent device is a PCI<->PCI bridge other than
+	 * APB, we have to install a pre-handler to ensure that
+	 * all pending DMA is drained before the interrupt handler
+	 * is run.
+	 */
 	regs = of_get_property(dp, "reg", NULL);
-	if (regs &&
-	    ((regs->phys_hi >> 16) & 0xff) != irq_data->pci_first_busno) {
+	if (regs && sabre_device_needs_wsync(dp)) {
 		irq_install_pre_handler(virt_irq,
 					sabre_wsync_handler,
 					(void *) (long) regs->phys_hi,
-					(void *)
-					controller_regs +
-					SABRE_WRSYNC);
+					(void *) irq_data);
 	}
 
 	return virt_irq;
@@ -854,6 +901,8 @@ static unsigned long sysio_irq_offsets[] = {
 	SYSIO_IMAP_CE,
 	SYSIO_IMAP_SBERR,
 	SYSIO_IMAP_PMGMT,
+	SYSIO_IMAP_GFX,
+	SYSIO_IMAP_EUPA,
 };
 
 #undef bogon
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index a73140466e0..958287448cf 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -16,7 +16,7 @@
 #include <asm/smp.h>
 #include <linux/user.h>
 #include <linux/a.out.h>
-#include <linux/tty.h>
+#include <linux/screen_info.h>
 #include <linux/delay.h>
 #include <linux/fs.h>
 #include <linux/seq_file.h>
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index 237524d87ca..beffc82a1e8 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -254,7 +254,6 @@ EXPORT_SYMBOL(prom_getproperty);
 EXPORT_SYMBOL(prom_node_has_property);
 EXPORT_SYMBOL(prom_setprop);
 EXPORT_SYMBOL(saved_command_line);
-EXPORT_SYMBOL(prom_getname);
 EXPORT_SYMBOL(prom_finddevice);
 EXPORT_SYMBOL(prom_feval);
 EXPORT_SYMBOL(prom_getbool);
diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c
index 51c056df528..054d0abdb7e 100644
--- a/arch/sparc64/kernel/sys_sparc.c
+++ b/arch/sparc64/kernel/sys_sparc.c
@@ -701,21 +701,21 @@ extern void check_pending(int signum);
 
 asmlinkage long sys_getdomainname(char __user *name, int len)
 {
-        int nlen;
-	int err = -EFAULT;
+        int nlen, err;
+
+	if (len < 0 || len > __NEW_UTS_LEN)
+		return -EINVAL;
 
  	down_read(&uts_sem);
  	
 	nlen = strlen(system_utsname.domainname) + 1;
-
         if (nlen < len)
                 len = nlen;
-	if (len > __NEW_UTS_LEN)
-		goto done;
-	if (copy_to_user(name, system_utsname.domainname, len))
-		goto done;
-	err = 0;
-done:
+
+	err = -EFAULT;
+	if (!copy_to_user(name, system_utsname.domainname, len))
+		err = 0;
+
 	up_read(&uts_sem);
 	return err;
 }
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index b43de647ba7..094d3e35be1 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -928,8 +928,6 @@ static void sparc64_start_timers(void)
 	__asm__ __volatile__("wrpr	%0, 0x0, %%pstate"
 			     : /* no outputs */
 			     : "r" (pstate));
-
-	local_irq_enable();
 }
 
 struct freq_table {
diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index 1605967cce9..55ae802dc0a 100644
--- a/arch/sparc64/mm/fault.c
+++ b/arch/sparc64/mm/fault.c
@@ -19,6 +19,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/kprobes.h>
+#include <linux/kallsyms.h>
 
 #include <asm/page.h>
 #include <asm/pgtable.h>
@@ -132,6 +133,8 @@ static void bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr)
 
 	printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n",
 	       regs->tpc);
+	printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]);
+	print_symbol("RPC: <%s>\n", regs->u_regs[15]);
 	printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr);
 	__asm__("mov %%sp, %0" : "=r" (ksp));
 	show_stack(current, ksp);
diff --git a/arch/sparc64/prom/tree.c b/arch/sparc64/prom/tree.c
index 49075abd7cb..500f05e2cfc 100644
--- a/arch/sparc64/prom/tree.c
+++ b/arch/sparc64/prom/tree.c
@@ -193,91 +193,6 @@ prom_searchsiblings(int node_start, const char *nodename)
 	return 0;
 }
 
-/* Gets name in the {name@x,yyyyy|name (if no reg)} form */
-int 
-prom_getname (int node, char *buffer, int len)
-{
-	int i, sbus = 0;
-	int pci = 0, ebus = 0, ide = 0;
-	struct linux_prom_registers *reg;
-	struct linux_prom64_registers reg64[PROMREG_MAX];
-	
-	for (sbus = prom_getparent (node); sbus; sbus = prom_getparent (sbus)) {
-		i = prom_getproperty (sbus, "name", buffer, len);
-		if (i > 0) {
-			buffer [i] = 0;
-			if (!strcmp (buffer, "sbus"))
-				goto getit;
-		}
-	}
-	if ((pci = prom_getparent (node))) {
-		i = prom_getproperty (pci, "name", buffer, len);
-		if (i > 0) {
-			buffer [i] = 0;
-			if (!strcmp (buffer, "pci"))
-				goto getit;
-		}
-		pci = 0;
-	}
-	if ((ebus = prom_getparent (node))) {
-		i = prom_getproperty (ebus, "name", buffer, len);
-		if (i > 0) {
-			buffer[i] = 0;
-			if (!strcmp (buffer, "ebus"))
-				goto getit;
-		}
-		ebus = 0;
-	}
-	if ((ide = prom_getparent (node))) {
-		i = prom_getproperty (ide, "name", buffer, len);
-		if (i > 0) {
-			buffer [i] = 0;
-			if (!strcmp (buffer, "ide"))
-				goto getit;
-		}
-		ide = 0;
-	}
-getit:
-	i = prom_getproperty (node, "name", buffer, len);
-	if (i <= 0) {
-		buffer [0] = 0;
-		return -1;
-	}
-	buffer [i] = 0;
-	len -= i;
-	i = prom_getproperty (node, "reg", (char *)reg64, sizeof (reg64));
-	if (i <= 0) return 0;
-	if (len < 16) return -1;
-	buffer = strchr (buffer, 0);
-	if (sbus) {
-		reg = (struct linux_prom_registers *)reg64;
-		sprintf (buffer, "@%x,%x", reg[0].which_io, (uint)reg[0].phys_addr);
-	} else if (pci) {
-		int dev, fn;
-		reg = (struct linux_prom_registers *)reg64;
-		fn = (reg[0].which_io >> 8) & 0x07;
-		dev = (reg[0].which_io >> 11) & 0x1f;
-		if (fn)
-			sprintf (buffer, "@%x,%x", dev, fn);
-		else
-			sprintf (buffer, "@%x", dev);
-	} else if (ebus) {
-		reg = (struct linux_prom_registers *)reg64;
-		sprintf (buffer, "@%x,%x", reg[0].which_io, reg[0].phys_addr);
-	} else if (ide) {
-		reg = (struct linux_prom_registers *)reg64;
-		sprintf (buffer, "@%x,%x", reg[0].which_io, reg[0].phys_addr);
-	} else if (i == 4) {	/* Happens on 8042's children on Ultra/PCI. */
-		reg = (struct linux_prom_registers *)reg64;
-		sprintf (buffer, "@%x", reg[0].which_io);
-	} else {
-		sprintf (buffer, "@%x,%x",
-			 (unsigned int)(reg64[0].phys_addr >> 36),
-			 (unsigned int)(reg64[0].phys_addr));
-	}
-	return 0;
-}
-
 /* Return the first property type for node 'node'.
  * buffer should be at least 32B in length
  */