diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index b50be44..c3e852e 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1471,7 +1471,7 @@
 
 config 64BIT_PHYS_ADDR
 	bool "Support for 64-bit physical address space"
-	depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
+	depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
 
 config CPU_ADVANCED
 	bool "Override CPU Options"
@@ -1492,14 +1492,6 @@
 	  for better performance, N if you don't know.  You must say Y here
 	  for multiprocessor machines.
 
-config CPU_HAS_LLDSCD
-	bool "lld/scd Instructions available" if CPU_ADVANCED
-	default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
-	help
-	  Say Y here if your CPU has the lld and scd instructions, the 64-bit
-	  equivalents of ll and sc.  Say Y here for better performance, N if
-	  you don't know.  You must say Y here for multiprocessor machines.
-
 config CPU_HAS_WB
 	bool "Writeback Buffer available" if CPU_ADVANCED
 	default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index e14ba5e..2a9f2ef 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -93,7 +93,6 @@
 #
 cflags-y			+= -I $(TOPDIR)/include/asm/gcc
 cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
-cflags-y			+= $(call cc-option, -finline-limit=100000)
 LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
 MODFLAGS			+= -mlong-calls
 
diff --git a/arch/mips/configs/bigsur_defconfig b/arch/mips/configs/bigsur_defconfig
index 069f9d1..6fd3537 100644
--- a/arch/mips/configs/bigsur_defconfig
+++ b/arch/mips/configs/bigsur_defconfig
@@ -130,7 +130,6 @@
 # CONFIG_SIBYTE_DMA_PAGEOPS is not set
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/cobalt_defconfig b/arch/mips/configs/cobalt_defconfig
index 216f402..1d3ee18 100644
--- a/arch/mips/configs/cobalt_defconfig
+++ b/arch/mips/configs/cobalt_defconfig
@@ -115,7 +115,6 @@
 # CONFIG_MIPS_MT is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/ddb5476_defconfig b/arch/mips/configs/ddb5476_defconfig
index bea00a9..a81e2de 100644
--- a/arch/mips/configs/ddb5476_defconfig
+++ b/arch/mips/configs/ddb5476_defconfig
@@ -116,7 +116,6 @@
 # CONFIG_MIPS_MT is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/ddb5477_defconfig b/arch/mips/configs/ddb5477_defconfig
index 61f7171..f1c27c2 100644
--- a/arch/mips/configs/ddb5477_defconfig
+++ b/arch/mips/configs/ddb5477_defconfig
@@ -116,7 +116,6 @@
 # CONFIG_MIPS_MT is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/ev64120_defconfig b/arch/mips/configs/ev64120_defconfig
index 14e3815f..aa24d85 100644
--- a/arch/mips/configs/ev64120_defconfig
+++ b/arch/mips/configs/ev64120_defconfig
@@ -118,7 +118,6 @@
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/ev96100_defconfig b/arch/mips/configs/ev96100_defconfig
index 5108195..eeed0e5 100644
--- a/arch/mips/configs/ev96100_defconfig
+++ b/arch/mips/configs/ev96100_defconfig
@@ -121,7 +121,6 @@
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig
index 67979e3..e56351a 100644
--- a/arch/mips/configs/ip22_defconfig
+++ b/arch/mips/configs/ip22_defconfig
@@ -123,7 +123,6 @@
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig
index 03af44d..e17d3ad 100644
--- a/arch/mips/configs/ip27_defconfig
+++ b/arch/mips/configs/ip27_defconfig
@@ -119,7 +119,6 @@
 CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/ip32_defconfig b/arch/mips/configs/ip32_defconfig
index cba2a49..967e7ac 100644
--- a/arch/mips/configs/ip32_defconfig
+++ b/arch/mips/configs/ip32_defconfig
@@ -121,7 +121,6 @@
 CONFIG_RM7000_CPU_SCACHE=y
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/it8172_defconfig b/arch/mips/configs/it8172_defconfig
index e7ee167..b5fa963 100644
--- a/arch/mips/configs/it8172_defconfig
+++ b/arch/mips/configs/it8172_defconfig
@@ -117,7 +117,6 @@
 # CONFIG_MIPS_MT is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/ivr_defconfig b/arch/mips/configs/ivr_defconfig
index 138c8a6..7138693 100644
--- a/arch/mips/configs/ivr_defconfig
+++ b/arch/mips/configs/ivr_defconfig
@@ -114,7 +114,6 @@
 # CONFIG_MIPS_MT is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/jaguar-atx_defconfig b/arch/mips/configs/jaguar-atx_defconfig
index 6238e0d..14fb468 100644
--- a/arch/mips/configs/jaguar-atx_defconfig
+++ b/arch/mips/configs/jaguar-atx_defconfig
@@ -124,7 +124,6 @@
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/lasat200_defconfig b/arch/mips/configs/lasat200_defconfig
index a7ad99b..6c5df76 100644
--- a/arch/mips/configs/lasat200_defconfig
+++ b/arch/mips/configs/lasat200_defconfig
@@ -121,7 +121,6 @@
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
index d1c4421..da0677a 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc2
-# Thu Nov 24 01:06:35 2005
+# Linux kernel version: 2.6.15-rc5
+# Fri Dec 23 02:21:03 2005
 #
 CONFIG_MIPS=y
 
@@ -87,8 +87,8 @@
 #
 # CPU selection
 #
-CONFIG_CPU_MIPS32_R1=y
-# CONFIG_CPU_MIPS32_R2 is not set
+# CONFIG_CPU_MIPS32_R1 is not set
+CONFIG_CPU_MIPS32_R2=y
 # CONFIG_CPU_MIPS64_R1 is not set
 # CONFIG_CPU_MIPS64_R2 is not set
 # CONFIG_CPU_R3000 is not set
@@ -112,7 +112,7 @@
 CONFIG_SYS_HAS_CPU_NEVADA=y
 CONFIG_SYS_HAS_CPU_RM7000=y
 CONFIG_CPU_MIPS32=y
-CONFIG_CPU_MIPSR1=y
+CONFIG_CPU_MIPSR2=y
 CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
 CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y
 CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
diff --git a/arch/mips/configs/ocelot_3_defconfig b/arch/mips/configs/ocelot_3_defconfig
index 9081ea5..7ad8718 100644
--- a/arch/mips/configs/ocelot_3_defconfig
+++ b/arch/mips/configs/ocelot_3_defconfig
@@ -122,7 +122,6 @@
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/ocelot_c_defconfig b/arch/mips/configs/ocelot_c_defconfig
index 570fc4d..e8d6bb3 100644
--- a/arch/mips/configs/ocelot_c_defconfig
+++ b/arch/mips/configs/ocelot_c_defconfig
@@ -118,7 +118,6 @@
 CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/ocelot_defconfig b/arch/mips/configs/ocelot_defconfig
index 6634ab2..f3787b6 100644
--- a/arch/mips/configs/ocelot_defconfig
+++ b/arch/mips/configs/ocelot_defconfig
@@ -123,7 +123,6 @@
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/ocelot_g_defconfig b/arch/mips/configs/ocelot_g_defconfig
index 4c396e1..b6126ad 100644
--- a/arch/mips/configs/ocelot_g_defconfig
+++ b/arch/mips/configs/ocelot_g_defconfig
@@ -121,7 +121,6 @@
 CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/pnx8550-v2pci_defconfig b/arch/mips/configs/pnx8550-v2pci_defconfig
index d9a0d2f..4c650e7 100644
--- a/arch/mips/configs/pnx8550-v2pci_defconfig
+++ b/arch/mips/configs/pnx8550-v2pci_defconfig
@@ -116,7 +116,6 @@
 # CONFIG_64BIT_PHYS_ADDR is not set
 CONFIG_CPU_ADVANCED=y
 CONFIG_CPU_HAS_LLSC=y
-# CONFIG_CPU_HAS_LLDSCD is not set
 # CONFIG_CPU_HAS_WB is not set
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
diff --git a/arch/mips/configs/rbhma4500_defconfig b/arch/mips/configs/rbhma4500_defconfig
index 1cc1450..9aaa430 100644
--- a/arch/mips/configs/rbhma4500_defconfig
+++ b/arch/mips/configs/rbhma4500_defconfig
@@ -124,7 +124,6 @@
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_ADVANCED=y
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_WB=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig
index 30975b3..abf6109 100644
--- a/arch/mips/configs/rm200_defconfig
+++ b/arch/mips/configs/rm200_defconfig
@@ -124,7 +124,6 @@
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/sb1250-swarm_defconfig b/arch/mips/configs/sb1250-swarm_defconfig
index 63f1be1..52048c9 100644
--- a/arch/mips/configs/sb1250-swarm_defconfig
+++ b/arch/mips/configs/sb1250-swarm_defconfig
@@ -133,7 +133,6 @@
 # CONFIG_MIPS_MT is not set
 CONFIG_SB1_PASS_1_WORKAROUNDS=y
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/configs/yosemite_defconfig b/arch/mips/configs/yosemite_defconfig
index d51d5d1..468c2e4 100644
--- a/arch/mips/configs/yosemite_defconfig
+++ b/arch/mips/configs/yosemite_defconfig
@@ -118,7 +118,6 @@
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/defconfig b/arch/mips/defconfig
index 2a1b844..4f125e9 100644
--- a/arch/mips/defconfig
+++ b/arch/mips/defconfig
@@ -123,7 +123,6 @@
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 5e1b08b..fac48ad 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -435,6 +435,9 @@
 	}
 }
 
+static char unknown_isa[] __initdata = KERN_ERR \
+	"Unsupported ISA type, c0.config0: %d.";
+
 static inline unsigned int decode_config0(struct cpuinfo_mips *c)
 {
 	unsigned int config0;
@@ -447,16 +450,37 @@
 	isa = (config0 & MIPS_CONF_AT) >> 13;
 	switch (isa) {
 	case 0:
-		c->isa_level = MIPS_CPU_ISA_M32;
+		switch ((config0 >> 10) & 7) {
+		case 0:
+			c->isa_level = MIPS_CPU_ISA_M32R1;
+			break;
+		case 1:
+			c->isa_level = MIPS_CPU_ISA_M32R2;
+			break;
+		default:
+			goto unknown;
+		}
 		break;
 	case 2:
-		c->isa_level = MIPS_CPU_ISA_M64;
+		switch ((config0 >> 10) & 7) {
+		case 0:
+			c->isa_level = MIPS_CPU_ISA_M64R1;
+			break;
+		case 1:
+			c->isa_level = MIPS_CPU_ISA_M64R2;
+			break;
+		default:
+			goto unknown;
+		}
 		break;
 	default:
-		panic("Unsupported ISA type, cp0.config0.at: %d.", isa);
+		goto unknown;
 	}
 
 	return config0 & MIPS_CONF_M;
+
+unknown:
+	panic(unknown_isa, config0);
 }
 
 static inline unsigned int decode_config1(struct cpuinfo_mips *c)
@@ -568,7 +592,6 @@
 		break;
 	case PRID_IMP_34K:
 		c->cputype = CPU_34K;
-		c->isa_level = MIPS_CPU_ISA_M32;
 		break;
 	}
 }
@@ -647,7 +670,7 @@
 	switch (c->processor_id & 0xff00) {
 	case PRID_IMP_PR4450:
 		c->cputype = CPU_PR4450;
-		c->isa_level = MIPS_CPU_ISA_M32;
+		c->isa_level = MIPS_CPU_ISA_M32R1;
 		break;
 	default:
 		panic("Unknown Philips Core!"); /* REVISIT: die? */
@@ -690,8 +713,10 @@
 	if (c->options & MIPS_CPU_FPU) {
 		c->fpu_id = cpu_get_fpu_id();
 
-		if (c->isa_level == MIPS_CPU_ISA_M32 ||
-		    c->isa_level == MIPS_CPU_ISA_M64) {
+		if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
+		    c->isa_level == MIPS_CPU_ISA_M32R2 ||
+		    c->isa_level == MIPS_CPU_ISA_M64R1 ||
+		    c->isa_level == MIPS_CPU_ISA_M64R2) {
 			if (c->fpu_id & MIPS_FPIR_3D)
 				c->ases |= MIPS_ASE_MIPS3D;
 		}
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index dd72577..0476a4d 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -205,7 +205,7 @@
 	return 1;
 }
 
-void dump_regs(elf_greg_t *gp, struct pt_regs *regs)
+void elf_dump_regs(elf_greg_t *gp, struct pt_regs *regs)
 {
 	int i;
 
@@ -231,7 +231,7 @@
 {
 	struct thread_info *ti = tsk->thread_info;
 	long ksp = (unsigned long)ti + THREAD_SIZE - 32;
-	dump_regs(&(*regs)[0], (struct pt_regs *) ksp - 1);
+	elf_dump_regs(&(*regs)[0], (struct pt_regs *) ksp - 1);
 	return 1;
 }
 
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 510da5f..8d254933 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -280,12 +280,8 @@
 				ret = -EIO;
 				goto out;
 			}
-			if (child->thread.dsp.used_dsp) {
-				dregs = __get_dsp_regs(child);
-				tmp = (unsigned long) (dregs[addr - DSP_BASE]);
-			} else {
-				tmp = -1;	/* DSP registers yet used  */
-			}
+			dregs = __get_dsp_regs(child);
+			tmp = (unsigned long) (dregs[addr - DSP_BASE]);
 			break;
 		}
 		case DSP_CONTROL:
diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c
index 7e55457..1f998bf 100644
--- a/arch/mips/kernel/ptrace32.c
+++ b/arch/mips/kernel/ptrace32.c
@@ -201,12 +201,8 @@
 				ret = -EIO;
 				goto out_tsk;
 			}
-			if (child->thread.dsp.used_dsp) {
-				dspreg_t *dregs = __get_dsp_regs(child);
-				tmp = (unsigned long) (dregs[addr - DSP_BASE]);
-			} else {
-				tmp = -1;	/* DSP registers yet used  */
-			}
+			dspreg_t *dregs = __get_dsp_regs(child);
+			tmp = (unsigned long) (dregs[addr - DSP_BASE]);
 			break;
 		case DSP_CONTROL:
 			if (!cpu_has_dsp) {
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index c856dbc..98b185b 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -588,7 +588,7 @@
 	err |= __put_user(regs->hi, &sc->sc_mdhi);
 	err |= __put_user(regs->lo, &sc->sc_mdlo);
 	if (cpu_has_dsp) {
-		err |= __put_user(rddsp(DSP_MASK), &sc->sc_hi1);
+		err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);
 		err |= __put_user(mfhi1(), &sc->sc_hi1);
 		err |= __put_user(mflo1(), &sc->sc_lo1);
 		err |= __put_user(mfhi2(), &sc->sc_hi2);
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index 787ed54..7050b4f 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -507,14 +507,38 @@
 	return IRQ_HANDLED;
 }
 
+int null_perf_irq(struct pt_regs *regs)
+{
+	return 0;
+}
+
+int (*perf_irq)(struct pt_regs *regs) = null_perf_irq;
+
+EXPORT_SYMBOL(null_perf_irq);
+EXPORT_SYMBOL(perf_irq);
+
 asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs)
 {
+	int r2 = cpu_has_mips_r2;
+
 	irq_enter();
 	kstat_this_cpu.irqs[irq]++;
 
-	/* we keep interrupt disabled all the time */
-	timer_interrupt(irq, NULL, regs);
+	/*
+	 * Suckage alert:
+	 * Before R2 of the architecture there was no way to see if a
+	 * performance counter interrupt was pending, so we have to run the
+	 * performance counter interrupt handler anyway.
+	 */
+	if (!r2 || (read_c0_cause() & (1 << 26)))
+		if (perf_irq(regs))
+			goto out;
 
+	/* we keep interrupt disabled all the time */
+	if (!r2 || (read_c0_cause() & (1 << 30)))
+		timer_interrupt(irq, NULL, regs);
+
+out:
 	irq_exit();
 }
 
@@ -628,9 +652,9 @@
 			mips_hpt_init = c0_hpt_init;
 		}
 
-		if ((current_cpu_data.isa_level == MIPS_CPU_ISA_M32) ||
-			 (current_cpu_data.isa_level == MIPS_CPU_ISA_I) ||
-			 (current_cpu_data.isa_level == MIPS_CPU_ISA_II))
+		if (cpu_has_mips32r1 || cpu_has_mips32r2 ||
+		    (current_cpu_data.isa_level == MIPS_CPU_ISA_I) ||
+		    (current_cpu_data.isa_level == MIPS_CPU_ISA_II))
 			/*
 			 * We need to calibrate the counter but we don't have
 			 * 64-bit division.
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 9c89eeb..ae83b75 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -99,9 +99,9 @@
 
 	/* elfloader stuff */
 	void *load_addr;
-	u32 len;
+	unsigned long len;
 	char *pbuffer;
-	u32 plen;
+	unsigned long plen;
 
 	unsigned long __start;
 
@@ -253,11 +253,11 @@
 }
 
 /* Find some VPE program space  */
-static void *alloc_progmem(u32 len)
+static void *alloc_progmem(unsigned long len)
 {
 #ifdef CONFIG_MIPS_VPE_LOADER_TOM
 	/* this means you must tell linux to use less memory than you physically have */
-	return (void *)((max_pfn * PAGE_SIZE) + KSEG0);
+	return pfn_to_kaddr(max_pfn);
 #else
 	// simple grab some mem for now
 	return kmalloc(len, GFP_KERNEL);
diff --git a/arch/mips/lib/iomap.c b/arch/mips/lib/iomap.c
index b5d5fa8..7e2ced71 100644
--- a/arch/mips/lib/iomap.c
+++ b/arch/mips/lib/iomap.c
@@ -3,7 +3,7 @@
  *
  *  This code is based on lib/iomap.c, by Linus Torvalds.
  *
- *  Copyright (C) 2004-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2004-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/math-emu/dp_fint.c b/arch/mips/math-emu/dp_fint.c
index 0065dea..a1962eb 100644
--- a/arch/mips/math-emu/dp_fint.c
+++ b/arch/mips/math-emu/dp_fint.c
@@ -33,8 +33,6 @@
 
 	CLEARCX;
 
-	xc = ( 0 ? xc : xc );
-
 	if (x == 0)
 		return ieee754dp_zero(0);
 	if (x == 1 || x == -1)
diff --git a/arch/mips/math-emu/dp_flong.c b/arch/mips/math-emu/dp_flong.c
index cb105b1..eae90a8 100644
--- a/arch/mips/math-emu/dp_flong.c
+++ b/arch/mips/math-emu/dp_flong.c
@@ -33,8 +33,6 @@
 
 	CLEARCX;
 
-	xc = ( 0 ? xc : xc );
-
 	if (x == 0)
 		return ieee754dp_zero(0);
 	if (x == 1 || x == -1)
diff --git a/arch/mips/math-emu/sp_fint.c b/arch/mips/math-emu/sp_fint.c
index 42d9ed4..7aac13a 100644
--- a/arch/mips/math-emu/sp_fint.c
+++ b/arch/mips/math-emu/sp_fint.c
@@ -33,8 +33,6 @@
 
 	CLEARCX;
 
-	xc = ( 0 ? xc : xc );
-
 	if (x == 0)
 		return ieee754sp_zero(0);
 	if (x == 1 || x == -1)
diff --git a/arch/mips/math-emu/sp_flong.c b/arch/mips/math-emu/sp_flong.c
index 1e26795..3d6c1d1 100644
--- a/arch/mips/math-emu/sp_flong.c
+++ b/arch/mips/math-emu/sp_flong.c
@@ -33,8 +33,6 @@
 
 	CLEARCX;
 
-	xc = ( 0 ? xc : xc );
-
 	if (x == 0)
 		return ieee754sp_zero(0);
 	if (x == 1 || x == -1)
diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c
index 72a12d9..93f3bf2 100644
--- a/arch/mips/mips-boards/generic/time.c
+++ b/arch/mips/mips-boards/generic/time.c
@@ -75,20 +75,31 @@
 	do_IRQ (mips_cpu_timer_irq, regs);
 }
 
+extern int null_perf_irq(struct pt_regs *regs);
+
+extern int (*perf_irq)(struct pt_regs *regs);
+
 irqreturn_t mips_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
-#ifdef CONFIG_SMP
+	int r2 = cpu_has_mips_r2;
 	int cpu = smp_processor_id();
 
 	if (cpu == 0) {
 		/*
-		 * CPU 0 handles the global timer interrupt job and process accounting
-		 * resets count/compare registers to trigger next timer int.
+		 * CPU 0 handles the global timer interrupt job and process
+		 * accounting resets count/compare registers to trigger next
+		 * timer int.
 		 */
-		(void) timer_interrupt(irq, dev_id, regs);
+		if (!r2 || (read_c0_cause() & (1 << 26)))
+			if (perf_irq(regs))
+				goto out;
+
+		/* we keep interrupt disabled all the time */
+		if (!r2 || (read_c0_cause() & (1 << 30)))
+			timer_interrupt(irq, NULL, regs);
+
 		scroll_display_message();
-	}
-	else {
+	} else {
 		/* Everyone else needs to reset the timer int here as
 		   ll_local_timer_interrupt doesn't */
 		/*
@@ -103,16 +114,8 @@
 		local_timer_interrupt (irq, dev_id, regs);
 	}
 
+out:
 	return IRQ_HANDLED;
-#else
-	irqreturn_t r;
-
-	r = timer_interrupt(irq, dev_id, regs);
-
-	scroll_display_message();
-
-	return r;
-#endif
 }
 
 /*
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 38223b4..422b55f 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1183,8 +1183,8 @@
 	if (!sc_present)
 		return;
 
-	if ((c->isa_level == MIPS_CPU_ISA_M32 ||
-	     c->isa_level == MIPS_CPU_ISA_M64) &&
+	if ((c->isa_level == MIPS_CPU_ISA_M32R1 ||
+	     c->isa_level == MIPS_CPU_ISA_M64R1) &&
 	    !(c->scache.flags & MIPS_CACHE_NOT_PRESENT))
 		panic("Dunno how to handle MIPS32 / MIPS64 second level cache");
 
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index dd2cc42..53f9889 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -75,7 +75,10 @@
 	int res;
 
 	switch (current_cpu_data.cputype) {
+	case CPU_5KC:
+	case CPU_20KC:
 	case CPU_24K:
+	case CPU_25KF:
 		lmodel = &op_model_mipsxx;
 		break;
 
diff --git a/arch/mips/oprofile/op_impl.h b/arch/mips/oprofile/op_impl.h
index f012155..5cfce7d 100644
--- a/arch/mips/oprofile/op_impl.h
+++ b/arch/mips/oprofile/op_impl.h
@@ -12,8 +12,8 @@
 
 struct pt_regs;
 
-extern void null_perf_irq(struct pt_regs *regs);
-extern void (*perf_irq)(struct pt_regs *regs);
+extern int null_perf_irq(struct pt_regs *regs);
+extern int (*perf_irq)(struct pt_regs *regs);
 
 /* Per-counter configuration as set via oprofilefs.  */
 struct op_counter_config {
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index d36b64d..1d1eee4 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -114,11 +114,12 @@
 	}
 }
 
-static void mipsxx_perfcount_handler(struct pt_regs *regs)
+static int mipsxx_perfcount_handler(struct pt_regs *regs)
 {
 	unsigned int counters = op_model_mipsxx.num_counters;
 	unsigned int control;
 	unsigned int counter;
+	int handled = 0;
 
 	switch (counters) {
 #define HANDLE_COUNTER(n)						\
@@ -129,12 +130,15 @@
 		    (counter & M_COUNTER_OVERFLOW)) {			\
 			oprofile_add_sample(regs, n);			\
 			write_c0_perfcntr ## n(reg.counter[n]);		\
+			handled = 1;					\
 		}
 	HANDLE_COUNTER(3)
 	HANDLE_COUNTER(2)
 	HANDLE_COUNTER(1)
 	HANDLE_COUNTER(0)
 	}
+
+	return handled;
 }
 
 #define M_CONFIG1_PC	(1 << 4)
@@ -176,17 +180,31 @@
 	int counters;
 
 	counters = n_counters();
-	if (counters == 0)
+	if (counters == 0) {
+		printk(KERN_ERR "Oprofile: CPU has no performance counters\n");
 		return -ENODEV;
+	}
 
 	reset_counters(counters);
 
 	op_model_mipsxx.num_counters = counters;
 	switch (current_cpu_data.cputype) {
+	case CPU_20KC:
+		op_model_mipsxx.cpu_type = "mips/20K";
+		break;
+
 	case CPU_24K:
 		op_model_mipsxx.cpu_type = "mips/24K";
 		break;
 
+	case CPU_25KF:
+		op_model_mipsxx.cpu_type = "mips/25K";
+		break;
+
+	case CPU_5KC:
+		op_model_mipsxx.cpu_type = "mips/5K";
+		break;
+
 	default:
 		printk(KERN_ERR "Profiling unsupported for this CPU\n");
 
diff --git a/arch/mips/pci/fixup-capcella.c b/arch/mips/pci/fixup-capcella.c
index f2fc82c..1e53075 100644
--- a/arch/mips/pci/fixup-capcella.c
+++ b/arch/mips/pci/fixup-capcella.c
@@ -1,7 +1,7 @@
 /*
  *  fixup-cappcela.c, The ZAO Networks Capcella specific PCI fixups.
  *
- *  Copyright (C) 2002,2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2002,2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/pci/fixup-mpc30x.c b/arch/mips/pci/fixup-mpc30x.c
index 4975846..b67ddaa 100644
--- a/arch/mips/pci/fixup-mpc30x.c
+++ b/arch/mips/pci/fixup-mpc30x.c
@@ -1,7 +1,7 @@
 /*
  *  fixup-mpc30x.c, The Victor MP-C303/304 specific PCI fixups.
  *
- *  Copyright (C) 2002,2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2002,2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/pci/fixup-tb0219.c b/arch/mips/pci/fixup-tb0219.c
index bc55b06..734f2b7 100644
--- a/arch/mips/pci/fixup-tb0219.c
+++ b/arch/mips/pci/fixup-tb0219.c
@@ -2,7 +2,7 @@
  *  fixup-tb0219.c, The TANBAC TB0219 specific PCI fixups.
  *
  *  Copyright (C) 2003  Megasolution Inc. <matsu@megasolution.jp>
- *  Copyright (C) 2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/pci/fixup-tb0226.c b/arch/mips/pci/fixup-tb0226.c
index b5d42b1..c9e7cb4 100644
--- a/arch/mips/pci/fixup-tb0226.c
+++ b/arch/mips/pci/fixup-tb0226.c
@@ -1,7 +1,7 @@
 /*
  *  fixup-tb0226.c, The TANBAC TB0226 specific PCI fixups.
  *
- *  Copyright (C) 2002-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2002-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/pci/fixup-tb0287.c b/arch/mips/pci/fixup-tb0287.c
index 8436d7f..fbe6bcb 100644
--- a/arch/mips/pci/fixup-tb0287.c
+++ b/arch/mips/pci/fixup-tb0287.c
@@ -1,7 +1,7 @@
 /*
  *  fixup-tb0287.c, The TANBAC TB0287 specific PCI fixups.
  *
- *  Copyright (C) 2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/pci/ops-vr41xx.c b/arch/mips/pci/ops-vr41xx.c
index 430429b..900c6b3 100644
--- a/arch/mips/pci/ops-vr41xx.c
+++ b/arch/mips/pci/ops-vr41xx.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2001-2003 MontaVista Software Inc.
  *    Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com>
- *  Copyright (C) 2004-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2004-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/pci/pci-vr41xx.c b/arch/mips/pci/pci-vr41xx.c
index 91df4da..9885fa403 100644
--- a/arch/mips/pci/pci-vr41xx.c
+++ b/arch/mips/pci/pci-vr41xx.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2001-2003 MontaVista Software Inc.
  *    Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com>
- *  Copyright (C) 2004-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2004-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *  Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
  *
  *  This program is free software; you can redistribute it and/or modify
diff --git a/arch/mips/pci/pci-vr41xx.h b/arch/mips/pci/pci-vr41xx.h
index e087ec5..8a35e32 100644
--- a/arch/mips/pci/pci-vr41xx.h
+++ b/arch/mips/pci/pci-vr41xx.h
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2002  MontaVista Software Inc.
  *    Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com>
- *  Copyright (C) 2004-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2004-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/vr41xx/casio-e55/setup.c b/arch/mips/vr41xx/casio-e55/setup.c
index d29201a..8149009 100644
--- a/arch/mips/vr41xx/casio-e55/setup.c
+++ b/arch/mips/vr41xx/casio-e55/setup.c
@@ -1,7 +1,7 @@
 /*
  *  setup.c, Setup for the CASIO CASSIOPEIA E-11/15/55/65.
  *
- *  Copyright (C) 2002-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2002-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/vr41xx/common/bcu.c b/arch/mips/vr41xx/common/bcu.c
index cdfa427..de0c1b3 100644
--- a/arch/mips/vr41xx/common/bcu.c
+++ b/arch/mips/vr41xx/common/bcu.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2002  MontaVista Software Inc.
  *    Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com>
- *  Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -25,7 +25,7 @@
  *  - New creation, NEC VR4122 and VR4131 are supported.
  *  - Added support for NEC VR4111 and VR4121.
  *
- *  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *  - Added support for NEC VR4133.
  */
 #include <linux/kernel.h>
diff --git a/arch/mips/vr41xx/common/cmu.c b/arch/mips/vr41xx/common/cmu.c
index d758e43..657c513 100644
--- a/arch/mips/vr41xx/common/cmu.c
+++ b/arch/mips/vr41xx/common/cmu.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2001-2002  MontaVista Software Inc.
  *    Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com>
- *  Copuright (C) 2003-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copuright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -25,7 +25,7 @@
  *  - New creation, NEC VR4122 and VR4131 are supported.
  *  - Added support for NEC VR4111 and VR4121.
  *
- *  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *  - Added support for NEC VR4133.
  */
 #include <linux/init.h>
diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c
index 0b73c5a..07ae19c 100644
--- a/arch/mips/vr41xx/common/icu.c
+++ b/arch/mips/vr41xx/common/icu.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2001-2002  MontaVista Software Inc.
  *    Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com>
- *  Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -25,7 +25,7 @@
  *  - New creation, NEC VR4122 and VR4131 are supported.
  *  - Added support for NEC VR4111 and VR4121.
  *
- *  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *  - Coped with INTASSIGN of NEC VR4133.
  */
 #include <linux/errno.h>
diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c
index 578f649..707bd09 100644
--- a/arch/mips/vr41xx/common/init.c
+++ b/arch/mips/vr41xx/common/init.c
@@ -1,7 +1,7 @@
 /*
  *  init.c, Common initialization routines for NEC VR4100 series.
  *
- *  Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/vr41xx/common/int-handler.S b/arch/mips/vr41xx/common/int-handler.S
index 272c13a..2b6043f 100644
--- a/arch/mips/vr41xx/common/int-handler.S
+++ b/arch/mips/vr41xx/common/int-handler.S
@@ -35,7 +35,7 @@
  *  MontaVista Software Inc. <yyuasa@mvista.com> or <source@mvista.com>
  *  - New creation, NEC VR4100 series are supported.
  *
- *  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *  - Coped with INTASSIGN of NEC VR4133.
  */
 #include <asm/asm.h>
diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c
index 43b214d..61aa264 100644
--- a/arch/mips/vr41xx/common/irq.c
+++ b/arch/mips/vr41xx/common/irq.c
@@ -1,7 +1,7 @@
 /*
  *  Interrupt handing routines for NEC VR4100 series.
  *
- *  Copyright (C) 2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/vr41xx/common/pmu.c b/arch/mips/vr41xx/common/pmu.c
index 53166f3..02bf4f7 100644
--- a/arch/mips/vr41xx/common/pmu.c
+++ b/arch/mips/vr41xx/common/pmu.c
@@ -1,7 +1,7 @@
 /*
  *  pmu.c, Power Management Unit routines for NEC VR4100 series.
  *
- *  Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/vr41xx/common/type.c b/arch/mips/vr41xx/common/type.c
index bcb5f71..e0c1ac5 100644
--- a/arch/mips/vr41xx/common/type.c
+++ b/arch/mips/vr41xx/common/type.c
@@ -1,7 +1,7 @@
 /*
  *  type.c, System type for NEC VR4100 series.
  *
- *  Copyright (C) 2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/vr41xx/common/vrc4173.c b/arch/mips/vr41xx/common/vrc4173.c
index cc52e75..3e31f81 100644
--- a/arch/mips/vr41xx/common/vrc4173.c
+++ b/arch/mips/vr41xx/common/vrc4173.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2001-2003  MontaVista Software Inc.
  *    Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com>
- *  Copyright (C) 2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *  Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
  *
  *  This program is free software; you can redistribute it and/or modify
diff --git a/arch/mips/vr41xx/ibm-workpad/setup.c b/arch/mips/vr41xx/ibm-workpad/setup.c
index e4b34ad..50fe8af 100644
--- a/arch/mips/vr41xx/ibm-workpad/setup.c
+++ b/arch/mips/vr41xx/ibm-workpad/setup.c
@@ -1,7 +1,7 @@
 /*
  *  setup.c, Setup for the IBM WorkPad z50.
  *
- *  Copyright (C) 2002-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2002-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c
index b3d411a..ac2a297 100644
--- a/drivers/char/tb0219.c
+++ b/drivers/char/tb0219.c
@@ -1,7 +1,7 @@
 /*
  *  Driver for TANBAC TB0219 base board.
  *
- *  Copyright (C) 2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -27,7 +27,7 @@
 #include <asm/vr41xx/giu.h>
 #include <asm/vr41xx/tb0219.h>
 
-MODULE_AUTHOR("Yoichi Yuasa <yuasa@hh.iij4u.or.jp>");
+MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");
 MODULE_DESCRIPTION("TANBAC TB0219 base board driver");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c
index a5b18e0..2267c7b 100644
--- a/drivers/char/vr41xx_giu.c
+++ b/drivers/char/vr41xx_giu.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2002 MontaVista Software Inc.
  *	Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com>
- *  Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -35,7 +35,7 @@
 #include <asm/vr41xx/giu.h>
 #include <asm/vr41xx/vr41xx.h>
 
-MODULE_AUTHOR("Yoichi Yuasa <yuasa@hh.iij4u.or.jp>");
+MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");
 MODULE_DESCRIPTION("NEC VR4100 series General-purpose I/O Unit driver");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/char/vr41xx_rtc.c b/drivers/char/vr41xx_rtc.c
index 159acd8..bc1b4a1 100644
--- a/drivers/char/vr41xx_rtc.c
+++ b/drivers/char/vr41xx_rtc.c
@@ -1,7 +1,7 @@
 /*
  *  Driver for NEC VR4100 series  Real Time Clock unit.
  *
- *  Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -37,7 +37,7 @@
 #include <asm/uaccess.h>
 #include <asm/vr41xx/vr41xx.h>
 
-MODULE_AUTHOR("Yoichi Yuasa <yuasa@hh.iij4u.or.jp>");
+MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");
 MODULE_DESCRIPTION("NEC VR4100 series RTC driver");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c
index 24c547e..0574efd 100644
--- a/drivers/pcmcia/vrc4171_card.c
+++ b/drivers/pcmcia/vrc4171_card.c
@@ -1,7 +1,7 @@
 /*
  * vrc4171_card.c, NEC VRC4171 Card Controller driver for Socket Services.
  *
- * Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ * Copyright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -33,7 +33,7 @@
 #include "i82365.h"
 
 MODULE_DESCRIPTION("NEC VRC4171 Card Controllers driver for Socket Services");
-MODULE_AUTHOR("Yoichi Yuasa <yuasa@hh.iij4u.or.jp>");
+MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");
 MODULE_LICENSE("GPL");
 
 #define CARD_MAX_SLOTS		2
diff --git a/drivers/pcmcia/vrc4173_cardu.c b/drivers/pcmcia/vrc4173_cardu.c
index b502db2..57f38db 100644
--- a/drivers/pcmcia/vrc4173_cardu.c
+++ b/drivers/pcmcia/vrc4173_cardu.c
@@ -6,7 +6,7 @@
  * 	NEC VRC4173 CARDU driver for Socket Services
  *	(This device doesn't support CardBus. it is supporting only 16bit PC Card.)
  *
- * Copyright 2002,2003 Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ * Copyright 2002,2003 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
@@ -41,7 +41,7 @@
 #include "vrc4173_cardu.h"
 
 MODULE_DESCRIPTION("NEC VRC4173 CARDU driver for Socket Services");
-MODULE_AUTHOR("Yoichi Yuasa <yuasa@hh.iij4u.or.jp>");
+MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");
 MODULE_LICENSE("GPL");
 
 static int vrc4173_cardu_slots;
diff --git a/drivers/pcmcia/vrc4173_cardu.h b/drivers/pcmcia/vrc4173_cardu.h
index 113726f..7d77c74 100644
--- a/drivers/pcmcia/vrc4173_cardu.h
+++ b/drivers/pcmcia/vrc4173_cardu.h
@@ -5,7 +5,7 @@
  * BRIEF MODULE DESCRIPTION
  *	Include file for NEC VRC4173 CARDU.
  *
- * Copyright 2002 Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ * Copyright 2002 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c
index 0a28dee..d61494d 100644
--- a/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -1,7 +1,7 @@
 /*
  *  Driver for NEC VR4100 series Serial Interface Unit.
  *
- *  Copyright (C) 2004-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2004-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  Based on drivers/serial/8250.c, by Russell King.
  *
diff --git a/include/asm-mips/atomic.h b/include/asm-mips/atomic.h
index 94a9587..654b97d 100644
--- a/include/asm-mips/atomic.h
+++ b/include/asm-mips/atomic.h
@@ -24,10 +24,9 @@
 #define _ASM_ATOMIC_H
 
 #include <asm/cpu-features.h>
+#include <asm/interrupt.h>
 #include <asm/war.h>
 
-extern spinlock_t atomic_lock;
-
 typedef struct { volatile int counter; } atomic_t;
 
 #define ATOMIC_INIT(i)    { (i) }
@@ -85,9 +84,9 @@
 	} else {
 		unsigned long flags;
 
-		spin_lock_irqsave(&atomic_lock, flags);
+		local_irq_save(flags);
 		v->counter += i;
-		spin_unlock_irqrestore(&atomic_lock, flags);
+		local_irq_restore(flags);
 	}
 }
 
@@ -127,9 +126,9 @@
 	} else {
 		unsigned long flags;
 
-		spin_lock_irqsave(&atomic_lock, flags);
+		local_irq_save(flags);
 		v->counter -= i;
-		spin_unlock_irqrestore(&atomic_lock, flags);
+		local_irq_restore(flags);
 	}
 }
 
@@ -173,11 +172,11 @@
 	} else {
 		unsigned long flags;
 
-		spin_lock_irqsave(&atomic_lock, flags);
+		local_irq_save(flags);
 		result = v->counter;
 		result += i;
 		v->counter = result;
-		spin_unlock_irqrestore(&atomic_lock, flags);
+		local_irq_restore(flags);
 	}
 
 	return result;
@@ -220,11 +219,11 @@
 	} else {
 		unsigned long flags;
 
-		spin_lock_irqsave(&atomic_lock, flags);
+		local_irq_save(flags);
 		result = v->counter;
 		result -= i;
 		v->counter = result;
-		spin_unlock_irqrestore(&atomic_lock, flags);
+		local_irq_restore(flags);
 	}
 
 	return result;
@@ -277,12 +276,12 @@
 	} else {
 		unsigned long flags;
 
-		spin_lock_irqsave(&atomic_lock, flags);
+		local_irq_save(flags);
 		result = v->counter;
 		result -= i;
 		if (result >= 0)
 			v->counter = result;
-		spin_unlock_irqrestore(&atomic_lock, flags);
+		local_irq_restore(flags);
 	}
 
 	return result;
@@ -433,9 +432,9 @@
 	} else {
 		unsigned long flags;
 
-		spin_lock_irqsave(&atomic_lock, flags);
+		local_irq_save(flags);
 		v->counter += i;
-		spin_unlock_irqrestore(&atomic_lock, flags);
+		local_irq_restore(flags);
 	}
 }
 
@@ -475,9 +474,9 @@
 	} else {
 		unsigned long flags;
 
-		spin_lock_irqsave(&atomic_lock, flags);
+		local_irq_save(flags);
 		v->counter -= i;
-		spin_unlock_irqrestore(&atomic_lock, flags);
+		local_irq_restore(flags);
 	}
 }
 
@@ -521,11 +520,11 @@
 	} else {
 		unsigned long flags;
 
-		spin_lock_irqsave(&atomic_lock, flags);
+		local_irq_save(flags);
 		result = v->counter;
 		result += i;
 		v->counter = result;
-		spin_unlock_irqrestore(&atomic_lock, flags);
+		local_irq_restore(flags);
 	}
 
 	return result;
@@ -568,11 +567,11 @@
 	} else {
 		unsigned long flags;
 
-		spin_lock_irqsave(&atomic_lock, flags);
+		local_irq_save(flags);
 		result = v->counter;
 		result -= i;
 		v->counter = result;
-		spin_unlock_irqrestore(&atomic_lock, flags);
+		local_irq_restore(flags);
 	}
 
 	return result;
@@ -625,12 +624,12 @@
 	} else {
 		unsigned long flags;
 
-		spin_lock_irqsave(&atomic_lock, flags);
+		local_irq_save(flags);
 		result = v->counter;
 		result -= i;
 		if (result >= 0)
 			v->counter = result;
-		spin_unlock_irqrestore(&atomic_lock, flags);
+		local_irq_restore(flags);
 	}
 
 	return result;
diff --git a/include/asm-mips/cpu-features.h b/include/asm-mips/cpu-features.h
index 03627cfb..78c9cc2 100644
--- a/include/asm-mips/cpu-features.h
+++ b/include/asm-mips/cpu-features.h
@@ -116,6 +116,27 @@
 #endif
 #endif
 
+# ifndef cpu_has_mips32r1
+# define cpu_has_mips32r1	(cpu_data[0].isa_level & MIPS_CPU_ISA_M32R1)
+# endif
+# ifndef cpu_has_mips32r2
+# define cpu_has_mips32r2	(cpu_data[0].isa_level & MIPS_CPU_ISA_M32R2)
+# endif
+# ifndef cpu_has_mips64r1
+# define cpu_has_mips64r1	(cpu_data[0].isa_level & MIPS_CPU_ISA_M64R1)
+# endif
+# ifndef cpu_has_mips64r2
+# define cpu_has_mips64r2	(cpu_data[0].isa_level & MIPS_CPU_ISA_M64R2)
+# endif
+
+/*
+ * Shortcuts ...
+ */
+#define cpu_has_mips32	(cpu_has_mips32r1 | cpu_has_mips32r2)
+#define cpu_has_mips64	(cpu_has_mips64r1 | cpu_has_mips64r2)
+#define cpu_has_mips_r1	(cpu_has_mips32r1 | cpu_has_mips64r1)
+#define cpu_has_mips_r2	(cpu_has_mips32r2 | cpu_has_mips64r2)
+
 #ifndef cpu_has_dsp
 #define cpu_has_dsp		(cpu_data[0].ases & MIPS_ASE_DSP)
 #endif
diff --git a/include/asm-mips/cpu.h b/include/asm-mips/cpu.h
index 48eac296..934e063 100644
--- a/include/asm-mips/cpu.h
+++ b/include/asm-mips/cpu.h
@@ -204,16 +204,18 @@
  */
 #define MIPS_CPU_ISA_I		0x00000001
 #define MIPS_CPU_ISA_II		0x00000002
-#define MIPS_CPU_ISA_III	0x00008003
-#define MIPS_CPU_ISA_IV		0x00008004
-#define MIPS_CPU_ISA_V		0x00008005
-#define MIPS_CPU_ISA_M32	0x00000020
-#define MIPS_CPU_ISA_M64	0x00008040
+#define MIPS_CPU_ISA_III	0x00000003
+#define MIPS_CPU_ISA_IV		0x00000004
+#define MIPS_CPU_ISA_V		0x00000005
+#define MIPS_CPU_ISA_M32R1	0x00000020
+#define MIPS_CPU_ISA_M32R2	0x00000040
+#define MIPS_CPU_ISA_M64R1	0x00000080
+#define MIPS_CPU_ISA_M64R2	0x00000100
 
-/*
- * Bit 15 encodes if an ISA level supports 64-bit operations.
- */
-#define MIPS_CPU_ISA_64BIT	0x00008000
+#define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_I | MIPS_CPU_ISA_II | \
+	MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 )
+#define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \
+	MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)
 
 /*
  * CPU Option encodings
diff --git a/include/asm-mips/delay.h b/include/asm-mips/delay.h
index 48d00cc..64dd451 100644
--- a/include/asm-mips/delay.h
+++ b/include/asm-mips/delay.h
@@ -52,13 +52,11 @@
 	unsigned long lo;
 
 	/*
-	 * The common rates of 1000 and 128 are rounded wrongly by the
-	 * catchall case for 64-bit.  Excessive precission?  Probably ...
+	 * The rates of 128 is rounded wrongly by the catchall case
+	 * for 64-bit.  Excessive precission?  Probably ...
 	 */
 #if defined(CONFIG_64BIT) && (HZ == 128)
 	usecs *= 0x0008637bd05af6c7UL;		/* 2**64 / (1000000 / HZ) */
-#elif defined(CONFIG_64BIT) && (HZ == 1000)
-	usecs *= 0x004189374BC6A7f0UL;		/* 2**64 / (1000000 / HZ) */
 #elif defined(CONFIG_64BIT)
 	usecs *= (0x8000000000000000UL / (500000 / HZ));
 #else /* 32-bit junk follows here */
diff --git a/include/asm-mips/dsp.h b/include/asm-mips/dsp.h
index 50f556b..e9bfc08 100644
--- a/include/asm-mips/dsp.h
+++ b/include/asm-mips/dsp.h
@@ -16,7 +16,7 @@
 #include <asm/mipsregs.h>
 
 #define DSP_DEFAULT	0x00000000
-#define DSP_MASK	0x1f
+#define DSP_MASK	0x3ff
 
 #define __enable_dsp_hazard()						\
 do {									\
@@ -48,6 +48,7 @@
 	tsk->thread.dsp.dspr[3] = mflo2();				\
 	tsk->thread.dsp.dspr[4] = mfhi3();				\
 	tsk->thread.dsp.dspr[5] = mflo3();				\
+	tsk->thread.dsp.dspcontrol = rddsp(DSP_MASK);			\
 } while (0)
 
 #define save_dsp(tsk)							\
@@ -64,6 +65,7 @@
 	mtlo2(tsk->thread.dsp.dspr[3]);					\
 	mthi3(tsk->thread.dsp.dspr[4]);					\
 	mtlo3(tsk->thread.dsp.dspr[5]);					\
+	wrdsp(tsk->thread.dsp.dspcontrol, DSP_MASK);			\
 } while (0)
 
 #define restore_dsp(tsk)						\
diff --git a/include/asm-mips/elf.h b/include/asm-mips/elf.h
index d2c9a25..851f013 100644
--- a/include/asm-mips/elf.h
+++ b/include/asm-mips/elf.h
@@ -277,12 +277,12 @@
 
 struct task_struct;
 
-extern void dump_regs(elf_greg_t *, struct pt_regs *regs);
+extern void elf_dump_regs(elf_greg_t *, struct pt_regs *regs);
 extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
 extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *);
 
 #define ELF_CORE_COPY_REGS(elf_regs, regs)			\
-	dump_regs((elf_greg_t *)&(elf_regs), regs);
+	elf_dump_regs((elf_greg_t *)&(elf_regs), regs);
 #define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
 #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs)			\
 	dump_task_fpu(tsk, elf_fpregs)
diff --git a/include/asm-mips/hazards.h b/include/asm-mips/hazards.h
index 7517189..2fc9063 100644
--- a/include/asm-mips/hazards.h
+++ b/include/asm-mips/hazards.h
@@ -233,15 +233,25 @@
 #endif
 
 #ifdef CONFIG_CPU_MIPSR2
+/*
+ * gcc has a tradition of misscompiling the previous construct using the
+ * address of a label as argument to inline assembler.  Gas otoh has the
+ * annoying difference between la and dla which are only usable for 32-bit
+ * rsp. 64-bit code, so can't be used without conditional compilation.
+ * The alterantive is switching the assembler to 64-bit code which happens
+ * to work right even for 32-bit code ...
+ */
 #define instruction_hazard()						\
 do {									\
-__label__ __next;							\
+	unsigned long tmp;						\
+									\
 	__asm__ __volatile__(						\
+	"	.set	mips64r2				\n"	\
+	"	dla	%0, 1f					\n"	\
 	"	jr.hb	%0					\n"	\
-	:								\
-	: "r" (&&__next));						\
-__next:									\
-	;								\
+	"	.set	mips0					\n"	\
+	"1:							\n"	\
+	: "=r" (tmp));							\
 } while (0)
 
 #else
diff --git a/include/asm-mips/interrupt.h b/include/asm-mips/interrupt.h
index a573576..abdf54e 100644
--- a/include/asm-mips/interrupt.h
+++ b/include/asm-mips/interrupt.h
@@ -93,6 +93,7 @@
 	"	.set	noat						\n"
 #ifdef CONFIG_CPU_MIPSR2
 	"	di	\\result					\n"
+	"	andi	\\result, 1					\n"
 #else
 	"	mfc0	\\result, $12					\n"
 	"	ori	$1, \\result, 1					\n"
diff --git a/include/asm-mips/mach-au1x00/au1000.h b/include/asm-mips/mach-au1x00/au1000.h
index 8327ec3..8e1d7ed 100644
--- a/include/asm-mips/mach-au1x00/au1000.h
+++ b/include/asm-mips/mach-au1x00/au1000.h
@@ -838,6 +838,7 @@
 #define UART3_ADDR                0xB1400000
 
 #define USB_OHCI_BASE             0x14020000 // phys addr for ioremap
+#define USB_OHCI_LEN              0x00060000
 #define USB_HOST_CONFIG           0xB4027ffc
 
 #define AU1550_ETH0_BASE      0xB0500000
@@ -1017,10 +1018,12 @@
   #define I2S_CONTROL_D         (1<<1)
   #define I2S_CONTROL_CE        (1<<0)
 
-#ifndef CONFIG_SOC_AU1200
-
 /* USB Host Controller */
+#ifndef USB_OHCI_LEN
 #define USB_OHCI_LEN              0x00100000
+#endif
+
+#ifndef CONFIG_SOC_AU1200
 
 /* USB Device Controller */
 #define USBD_EP0RD                0xB0200000
diff --git a/include/asm-mips/mach-ip22/cpu-feature-overrides.h b/include/asm-mips/mach-ip22/cpu-feature-overrides.h
index ab97146..2a37bed 100644
--- a/include/asm-mips/mach-ip22/cpu-feature-overrides.h
+++ b/include/asm-mips/mach-ip22/cpu-feature-overrides.h
@@ -34,4 +34,9 @@
 #define cpu_has_nofpuex		0
 #define cpu_has_64bits		1
 
+#define cpu_has_mips32r1	0
+#define cpu_has_mips32r2	0
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
 #endif /* __ASM_MACH_IP22_CPU_FEATURE_OVERRIDES_H */
diff --git a/include/asm-mips/mach-ip27/cpu-feature-overrides.h b/include/asm-mips/mach-ip27/cpu-feature-overrides.h
index 4c8a900..2d2f5b9 100644
--- a/include/asm-mips/mach-ip27/cpu-feature-overrides.h
+++ b/include/asm-mips/mach-ip27/cpu-feature-overrides.h
@@ -37,4 +37,9 @@
 #define cpu_icache_line_size()	64
 #define cpu_scache_line_size()	128
 
+#define cpu_has_mips32r1	0
+#define cpu_has_mips32r2	0
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
 #endif /* __ASM_MACH_IP27_CPU_FEATURE_OVERRIDES_H */
diff --git a/include/asm-mips/mach-ip32/cpu-feature-overrides.h b/include/asm-mips/mach-ip32/cpu-feature-overrides.h
index ab37fc1..b80c307 100644
--- a/include/asm-mips/mach-ip32/cpu-feature-overrides.h
+++ b/include/asm-mips/mach-ip32/cpu-feature-overrides.h
@@ -39,4 +39,9 @@
 #define cpu_has_ic_fills_f_dc	0
 #define cpu_has_dsp		0
 
+#define cpu_has_mips32r1	0
+#define cpu_has_mips32r2	0
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
 #endif /* __ASM_MACH_IP32_CPU_FEATURE_OVERRIDES_H */
diff --git a/include/asm-mips/mach-ja/cpu-feature-overrides.h b/include/asm-mips/mach-ja/cpu-feature-overrides.h
index a0fde40..90ff087 100644
--- a/include/asm-mips/mach-ja/cpu-feature-overrides.h
+++ b/include/asm-mips/mach-ja/cpu-feature-overrides.h
@@ -37,4 +37,9 @@
 #define cpu_icache_line_size()	32
 #define cpu_scache_line_size()	32
 
+#define cpu_has_mips32r1	0
+#define cpu_has_mips32r2	0
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
 #endif /* __ASM_MACH_JA_CPU_FEATURE_OVERRIDES_H */
diff --git a/include/asm-mips/mach-ocelot3/cpu-feature-overrides.h b/include/asm-mips/mach-ocelot3/cpu-feature-overrides.h
index 825c5f6..782b986 100644
--- a/include/asm-mips/mach-ocelot3/cpu-feature-overrides.h
+++ b/include/asm-mips/mach-ocelot3/cpu-feature-overrides.h
@@ -40,4 +40,9 @@
 #define cpu_icache_line_size()	32
 #define cpu_scache_line_size()	32
 
+#define cpu_has_mips32r1	0
+#define cpu_has_mips32r2	0
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
 #endif /* __ASM_MACH_JA_CPU_FEATURE_OVERRIDES_H */
diff --git a/include/asm-mips/mach-rm200/cpu-feature-overrides.h b/include/asm-mips/mach-rm200/cpu-feature-overrides.h
index 79f9b06..91e7cf5 100644
--- a/include/asm-mips/mach-rm200/cpu-feature-overrides.h
+++ b/include/asm-mips/mach-rm200/cpu-feature-overrides.h
@@ -40,4 +40,9 @@
 #define cpu_icache_line_size()	32
 #define cpu_scache_line_size()	0	/* No S-cache on R5000 I think ...  */
 
+#define cpu_has_mips32r1	0
+#define cpu_has_mips32r2	0
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
 #endif /* __ASM_MACH_RM200_CPU_FEATURE_OVERRIDES_H */
diff --git a/include/asm-mips/mach-yosemite/cpu-feature-overrides.h b/include/asm-mips/mach-yosemite/cpu-feature-overrides.h
index 463d051..3073542 100644
--- a/include/asm-mips/mach-yosemite/cpu-feature-overrides.h
+++ b/include/asm-mips/mach-yosemite/cpu-feature-overrides.h
@@ -37,4 +37,9 @@
 #define cpu_icache_line_size()	32
 #define cpu_scache_line_size()	32
 
+#define cpu_has_mips32r1	0
+#define cpu_has_mips32r2	0
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
 #endif /* __ASM_MACH_YOSEMITE_CPU_FEATURE_OVERRIDES_H */
diff --git a/include/asm-mips/mipsregs.h b/include/asm-mips/mipsregs.h
index 80370e0..035ba0a 100644
--- a/include/asm-mips/mipsregs.h
+++ b/include/asm-mips/mipsregs.h
@@ -1059,7 +1059,7 @@
 	"	.set	noat					\n"	\
 	"	move	$1, %0					\n"	\
 	"	# wrdsp $1, %x1					\n"	\
-	"	.word	0x7c2004f8 | (%x1 << 15)		\n"	\
+	"	.word	0x7c2004f8 | (%x1 << 11)		\n"	\
 	"	.set	pop					\n"	\
         :								\
 	: "r" (val), "i" (mask));					\
diff --git a/include/asm-mips/processor.h b/include/asm-mips/processor.h
index f1980c6..de53055 100644
--- a/include/asm-mips/processor.h
+++ b/include/asm-mips/processor.h
@@ -103,7 +103,6 @@
 struct mips_dsp_state {
 	dspreg_t        dspr[NUM_DSP_REGS];
 	unsigned int    dspcontrol;
-	unsigned short	used_dsp;
 };
 
 #define INIT_DSP {{0,},}
diff --git a/include/asm-mips/vr41xx/capcella.h b/include/asm-mips/vr41xx/capcella.h
index 5b55083..d10ffda5 100644
--- a/include/asm-mips/vr41xx/capcella.h
+++ b/include/asm-mips/vr41xx/capcella.h
@@ -1,7 +1,7 @@
 /*
  *  capcella.h, Include file for ZAO Networks Capcella.
  *
- *  Copyright (C) 2002-2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2002-2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/include/asm-mips/vr41xx/e55.h b/include/asm-mips/vr41xx/e55.h
index ea37b56..558f226 100644
--- a/include/asm-mips/vr41xx/e55.h
+++ b/include/asm-mips/vr41xx/e55.h
@@ -1,7 +1,7 @@
 /*
  *  e55.h, Include file for CASIO CASSIOPEIA E-10/15/55/65.
  *
- *  Copyright (C) 2002-2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2002-2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/include/asm-mips/vr41xx/giu.h b/include/asm-mips/vr41xx/giu.h
index 8590885..8109cda 100644
--- a/include/asm-mips/vr41xx/giu.h
+++ b/include/asm-mips/vr41xx/giu.h
@@ -1,7 +1,7 @@
 /*
  *  Include file for NEC VR4100 series General-purpose I/O Unit.
  *
- *  Copyright (C) 2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/include/asm-mips/vr41xx/mpc30x.h b/include/asm-mips/vr41xx/mpc30x.h
index e6ac3c8..a6cbe4d 100644
--- a/include/asm-mips/vr41xx/mpc30x.h
+++ b/include/asm-mips/vr41xx/mpc30x.h
@@ -1,7 +1,7 @@
 /*
  *  mpc30x.h, Include file for Victor MP-C303/304.
  *
- *  Copyright (C) 2002-2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2002-2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/include/asm-mips/vr41xx/pci.h b/include/asm-mips/vr41xx/pci.h
index c473aa7..6fc01ce 100644
--- a/include/asm-mips/vr41xx/pci.h
+++ b/include/asm-mips/vr41xx/pci.h
@@ -1,7 +1,7 @@
 /*
  *  Include file for NEC VR4100 series PCI Control Unit.
  *
- *  Copyright (C) 2004-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2004-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/include/asm-mips/vr41xx/siu.h b/include/asm-mips/vr41xx/siu.h
index 865cc07..1fcf6e8 100644
--- a/include/asm-mips/vr41xx/siu.h
+++ b/include/asm-mips/vr41xx/siu.h
@@ -1,7 +1,7 @@
 /*
  *  Include file for NEC VR4100 series Serial Interface Unit.
  *
- *  Copyright (C) 2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/include/asm-mips/vr41xx/tb0219.h b/include/asm-mips/vr41xx/tb0219.h
index 273c639..b318b96 100644
--- a/include/asm-mips/vr41xx/tb0219.h
+++ b/include/asm-mips/vr41xx/tb0219.h
@@ -1,7 +1,7 @@
 /*
  *  tb0219.h, Include file for TANBAC TB0219.
  *
- *  Copyright (C) 2002-2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2002-2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  Modified for TANBAC TB0219:
  *  Copyright (C) 2003 Megasolution Inc.  <matsu@megasolution.jp>
diff --git a/include/asm-mips/vr41xx/tb0226.h b/include/asm-mips/vr41xx/tb0226.h
index 0ff9a60..2513f45 100644
--- a/include/asm-mips/vr41xx/tb0226.h
+++ b/include/asm-mips/vr41xx/tb0226.h
@@ -1,7 +1,7 @@
 /*
  *  tb0226.h, Include file for TANBAC TB0226.
  *
- *  Copyright (C) 2002-2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2002-2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/include/asm-mips/vr41xx/vr41xx.h b/include/asm-mips/vr41xx/vr41xx.h
index bd2723c..70828d5 100644
--- a/include/asm-mips/vr41xx/vr41xx.h
+++ b/include/asm-mips/vr41xx/vr41xx.h
@@ -7,7 +7,7 @@
  * Copyright (C) 2001, 2002 Paul Mundt
  * Copyright (C) 2002 MontaVista Software, Inc.
  * Copyright (C) 2002 TimeSys Corp.
- * Copyright (C) 2003-2005 Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
diff --git a/include/asm-mips/vr41xx/vrc4173.h b/include/asm-mips/vr41xx/vrc4173.h
index bb7a85c..4d41a9c 100644
--- a/include/asm-mips/vr41xx/vrc4173.h
+++ b/include/asm-mips/vr41xx/vrc4173.h
@@ -4,7 +4,7 @@
  *  Copyright (C) 2000  Michael R. McDonald
  *  Copyright (C) 2001-2003 Montavista Software Inc.
  *    Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com>
- *  Copyright (C) 2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *  Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
  *
  *  This program is free software; you can redistribute it and/or modify
diff --git a/include/asm-mips/vr41xx/workpad.h b/include/asm-mips/vr41xx/workpad.h
index dfe01b4..6bfa9c0 100644
--- a/include/asm-mips/vr41xx/workpad.h
+++ b/include/asm-mips/vr41xx/workpad.h
@@ -1,7 +1,7 @@
 /*
  *  workpad.h, Include file for IBM WorkPad z50.
  *
- *  Copyright (C) 2002-2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2002-2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by