diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 9528ee90640..73455389257 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -317,7 +317,7 @@ config PNX8550_JBS
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 
 config PNX8550_STB810
-	bool "Support for Philips PNX8550 based STB810 board"
+	bool "Philips PNX8550 based STB810 board"
 	select PNX8550
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 
@@ -392,7 +392,7 @@ config QEMU
 	  can be found at http://www.linux-mips.org/wiki/Qemu.
 
 config MARKEINS
-	bool "Support for NEC EMMA2RH Mark-eins"
+	bool "NEC EMMA2RH Mark-eins"
 	select DMA_NONCOHERENT
 	select HW_HAS_PCI
 	select IRQ_CPU
@@ -1392,6 +1392,7 @@ config MIPS_VPE_LOADER
 	depends on SYS_SUPPORTS_MULTITHREADING
 	select CPU_MIPSR2_IRQ_VI
 	select CPU_MIPSR2_IRQ_EI
+	select CPU_MIPSR2_SRS
 	select MIPS_MT
 	help
 	  Includes a loader for loading an elf relocatable object
diff --git a/arch/mips/au1000/pb1100/init.c b/arch/mips/au1000/pb1100/init.c
index 1fae39a608c..6131b56f41b 100644
--- a/arch/mips/au1000/pb1100/init.c
+++ b/arch/mips/au1000/pb1100/init.c
@@ -53,7 +53,7 @@ void __init prom_init(void)
 
 	prom_argc = fw_arg0;
 	prom_argv = (char **) fw_arg1;
-	prom_envp = (int *) fw_arg3;
+	prom_envp = (char **) fw_arg3;
 
 	mips_machgroup = MACH_GROUP_ALCHEMY;
 	mips_machtype = MACH_PB1100;
diff --git a/arch/mips/au1000/pb1500/board_setup.c b/arch/mips/au1000/pb1500/board_setup.c
index 0ffdb4fd575..c9b655616fb 100644
--- a/arch/mips/au1000/pb1500/board_setup.c
+++ b/arch/mips/au1000/pb1500/board_setup.c
@@ -125,7 +125,7 @@ void __init board_setup(void)
 		au_writel((au_readl(0xac000028) | 0x20), 0xac000028);
 	}
 	/* Put the clock in BCD mode */
-	if (readl(0xac00002C) & 0x4) { /* reg B */
+	if (au_readl(0xac00002C) & 0x4) { /* reg B */
 		au_writel(au_readl(0xac00002c) & ~0x4, 0xac00002c);
 		au_sync();
 	}
diff --git a/arch/mips/cobalt/pci.c b/arch/mips/cobalt/pci.c
index d91027f43de..cfce7af1bca 100644
--- a/arch/mips/cobalt/pci.c
+++ b/arch/mips/cobalt/pci.c
@@ -35,6 +35,7 @@ static struct pci_controller cobalt_pci_controller = {
 	.mem_resource	= &cobalt_mem_resource,
 	.io_resource	= &cobalt_io_resource,
 	.io_offset	= 0 - GT_DEF_PCI0_IO_BASE,
+	.io_map_base	= CKSEG1ADDR(GT_DEF_PCI0_IO_BASE),
 };
 
 static int __init cobalt_pci_init(void)
diff --git a/arch/mips/configs/emma2rh_defconfig b/arch/mips/configs/emma2rh_defconfig
index 3044579f171..2e3e155b4c5 100644
--- a/arch/mips/configs/emma2rh_defconfig
+++ b/arch/mips/configs/emma2rh_defconfig
@@ -951,8 +951,7 @@ CONFIG_LEGACY_PTY_COUNT=256
 # CONFIG_WATCHDOG is not set
 # CONFIG_HW_RANDOM is not set
 CONFIG_RTC=m
-CONFIG_GEN_RTC=m
-CONFIG_GEN_RTC_X=y
+# CONFIG_GEN_RTC is not set
 # CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
 # CONFIG_APPLICOM is not set
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index ab755ea26c6..0fc90ba16ae 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -137,7 +137,6 @@ static inline void check_wait(void)
 	case CPU_4KEC:
 	case CPU_4KSC:
 	case CPU_5KC:
-/*	case CPU_20KC:*/
 	case CPU_24K:
 	case CPU_25KF:
 	case CPU_34K:
@@ -156,6 +155,17 @@ static inline void check_wait(void)
 		if (allow_au1k_wait)
 			cpu_wait = au1k_wait;
 		break;
+	case CPU_20KC:
+		/*
+		 * WAIT on Rev1.0 has E1, E2, E3 and E16.
+		 * WAIT on Rev2.0 and Rev3.0 has E16.
+		 * Rev3.1 WAIT is nop, why bother
+		 */
+		if ((c->processor_id & 0xff) <= 0x64)
+			break;
+
+		cpu_wait = r4k_wait;
+		break;
 	case CPU_RM9000:
 		if ((c->processor_id & 0x00ff) >= 0x40)
 			cpu_wait = r4k_wait;
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index 003f8152b9e..486b8e5f52d 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -36,68 +36,6 @@
 
 #include "signal-common.h"
 
-#define SI_PAD_SIZE32   ((SI_MAX_SIZE/sizeof(int)) - 3)
-
-typedef struct compat_siginfo {
-	int si_signo;
-	int si_code;
-	int si_errno;
-
-	union {
-		int _pad[SI_PAD_SIZE32];
-
-		/* kill() */
-		struct {
-			compat_pid_t _pid;	/* sender's pid */
-			compat_uid_t _uid;	/* sender's uid */
-		} _kill;
-
-		/* SIGCHLD */
-		struct {
-			compat_pid_t _pid;	/* which child */
-			compat_uid_t _uid;	/* sender's uid */
-			int _status;		/* exit code */
-			compat_clock_t _utime;
-			compat_clock_t _stime;
-		} _sigchld;
-
-		/* IRIX SIGCHLD */
-		struct {
-			compat_pid_t _pid;	/* which child */
-			compat_clock_t _utime;
-			int _status;		/* exit code */
-			compat_clock_t _stime;
-		} _irix_sigchld;
-
-		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
-		struct {
-			s32 _addr; /* faulting insn/memory ref. */
-		} _sigfault;
-
-		/* SIGPOLL, SIGXFSZ (To do ...)  */
-		struct {
-			int _band;	/* POLL_IN, POLL_OUT, POLL_MSG */
-			int _fd;
-		} _sigpoll;
-
-		/* POSIX.1b timers */
-		struct {
-			timer_t _tid;		/* timer id */
-			int _overrun;		/* overrun count */
-			compat_sigval_t _sigval;/* same as below */
-			int _sys_private;       /* not to be passed to user */
-		} _timer;
-
-		/* POSIX.1b signals */
-		struct {
-			compat_pid_t _pid;	/* sender's pid */
-			compat_uid_t _uid;	/* sender's uid */
-			compat_sigval_t _sigval;
-		} _rt;
-
-	} _sifields;
-} compat_siginfo_t;
-
 /*
  * Including <asm/unistd.h> would give use the 64-bit syscall numbers ...
  */
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index 4cf9ff24d1f..eb7e05926eb 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -72,7 +72,7 @@ struct ucontextn32 {
 struct rt_sigframe_n32 {
 	u32 rs_ass[4];			/* argument save space for o32 */
 	u32 rs_code[2];			/* signal trampoline */
-	struct siginfo rs_info;
+	struct compat_siginfo rs_info;
 	struct ucontextn32 rs_uc;
 };
 
@@ -81,7 +81,7 @@ struct rt_sigframe_n32 {
 struct rt_sigframe_n32 {
 	u32 rs_ass[4];			/* argument save space for o32 */
 	u32 rs_pad[2];
-	struct siginfo rs_info;
+	struct compat_siginfo rs_info;
 	struct ucontextn32 rs_uc;
 	u32 rs_code[8] ____cacheline_aligned;		/* signal trampoline */
 };
@@ -187,7 +187,7 @@ static int setup_rt_frame_n32(struct k_sigaction * ka,
 	install_sigtramp(frame->rs_code, __NR_N32_rt_sigreturn);
 
 	/* Create siginfo.  */
-	err |= copy_siginfo_to_user(&frame->rs_info, info);
+	err |= copy_siginfo_to_user32(&frame->rs_info, info);
 
 	/* Create the ucontext.  */
 	err |= __put_user(0, &frame->rs_uc.uc_flags);
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 2e011470c34..046b03b1705 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -822,7 +822,7 @@ void ipi_decode(struct smtc_ipi *pipi)
 	switch (type_copy) {
 	case SMTC_CLOCK_TICK:
 		irq_enter();
-		kstat_this_cpu.irqs[MIPS_CPU_IRQ_BASE + cp0_perfcount_irq]++;
+		kstat_this_cpu.irqs[MIPS_CPU_IRQ_BASE + cp0_compare_irq]++;
 		/* Invoke Clock "Interrupt" */
 		ipi_timer_latch[dest_copy] = 0;
 #ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG
diff --git a/arch/mips/lib/ucmpdi2.c b/arch/mips/lib/ucmpdi2.c
index e9ff258ef02..e2ff6072b5a 100644
--- a/arch/mips/lib/ucmpdi2.c
+++ b/arch/mips/lib/ucmpdi2.c
@@ -2,7 +2,7 @@
 
 #include "libgcc.h"
 
-word_type __ucmpdi2 (unsigned long a, unsigned long b)
+word_type __ucmpdi2 (unsigned long long a, unsigned long long b)
 {
 	const DWunion au = {.ll = a};
 	const DWunion bu = {.ll = b};
diff --git a/include/asm-mips/bitops.h b/include/asm-mips/bitops.h
index ffe245b4258..d9e81af53f7 100644
--- a/include/asm-mips/bitops.h
+++ b/include/asm-mips/bitops.h
@@ -310,7 +310,7 @@ static inline int test_and_clear_bit(unsigned long nr,
 
 	if (cpu_has_llsc && R10000_LLSC_WAR) {
 		unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
-		unsigned long temp, res;
+		unsigned long temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
diff --git a/include/asm-mips/compat-signal.h b/include/asm-mips/compat-signal.h
index 6599a901b63..368a99e5c3e 100644
--- a/include/asm-mips/compat-signal.h
+++ b/include/asm-mips/compat-signal.h
@@ -10,6 +10,68 @@
 
 #include <asm/uaccess.h>
 
+#define SI_PAD_SIZE32   ((SI_MAX_SIZE/sizeof(int)) - 3)
+
+typedef struct compat_siginfo {
+	int si_signo;
+	int si_code;
+	int si_errno;
+
+	union {
+		int _pad[SI_PAD_SIZE32];
+
+		/* kill() */
+		struct {
+			compat_pid_t _pid;	/* sender's pid */
+			compat_uid_t _uid;	/* sender's uid */
+		} _kill;
+
+		/* SIGCHLD */
+		struct {
+			compat_pid_t _pid;	/* which child */
+			compat_uid_t _uid;	/* sender's uid */
+			int _status;		/* exit code */
+			compat_clock_t _utime;
+			compat_clock_t _stime;
+		} _sigchld;
+
+		/* IRIX SIGCHLD */
+		struct {
+			compat_pid_t _pid;	/* which child */
+			compat_clock_t _utime;
+			int _status;		/* exit code */
+			compat_clock_t _stime;
+		} _irix_sigchld;
+
+		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
+		struct {
+			s32 _addr; /* faulting insn/memory ref. */
+		} _sigfault;
+
+		/* SIGPOLL, SIGXFSZ (To do ...)  */
+		struct {
+			int _band;	/* POLL_IN, POLL_OUT, POLL_MSG */
+			int _fd;
+		} _sigpoll;
+
+		/* POSIX.1b timers */
+		struct {
+			timer_t _tid;		/* timer id */
+			int _overrun;		/* overrun count */
+			compat_sigval_t _sigval;/* same as below */
+			int _sys_private;       /* not to be passed to user */
+		} _timer;
+
+		/* POSIX.1b signals */
+		struct {
+			compat_pid_t _pid;	/* sender's pid */
+			compat_uid_t _uid;	/* sender's uid */
+			compat_sigval_t _sigval;
+		} _rt;
+
+	} _sifields;
+} compat_siginfo_t;
+
 static inline int __copy_conv_sigset_to_user(compat_sigset_t __user *d,
 	const sigset_t *s)
 {
diff --git a/include/asm-mips/module.h b/include/asm-mips/module.h
index 399d03f1c4f..c5ef324fd69 100644
--- a/include/asm-mips/module.h
+++ b/include/asm-mips/module.h
@@ -122,6 +122,13 @@ search_module_dbetables(unsigned long addr)
 #define MODULE_KERNEL_TYPE "64BIT "
 #endif
 
-#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY MODULE_KERNEL_TYPE
+#ifdef CONFIG_MIPS_MT_SMTC
+#define MODULE_KERNEL_SMTC "MT_SMTC "
+#else
+#define MODULE_KERNEL_SMTC ""
+#endif
+
+#define MODULE_ARCH_VERMAGIC \
+	MODULE_PROC_FAMILY MODULE_KERNEL_TYPE MODULE_KERNEL_SMTC
 
 #endif /* _ASM_MODULE_H */