Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git

Conflicts:
	drivers/mtd/mtd_blkdevs.c

Merge Grant's device-tree bits so that we can apply the subsequent fixes.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

137 files changed, 468 insertions, 224 deletions

diff --git a/arch/mips/Kbuild b/arch/mips/Kbuild
index e322d65f33a4..7dd65cfae837 100644
--- a/arch/mips/Kbuild
+++ b/arch/mips/Kbuild
@@ -7,6 +7,10 @@ subdir-ccflags-y := -Werror
 include arch/mips/Kbuild.platforms
 obj-y := $(platform-y)
 
+# make clean traverses $(obj-) without having included .config, so
+# everything ends up here
+obj- := $(platform-)
+
 # mips object files
 # The object files are linked as core-y files would be linked
 
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 3ad59dde4852..46cae2b163e4 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -13,6 +13,7 @@ config MIPS
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
 	select RTC_LIB if !MACH_LOONGSON
+	select GENERIC_ATOMIC64 if !64BIT
 
 mainmenu "Linux/MIPS Kernel Configuration"
 
@@ -880,11 +881,15 @@ config NO_IOPORT
 config GENERIC_ISA_DMA
 	bool
 	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
+	select ISA_DMA_API
 
 config GENERIC_ISA_DMA_SUPPORT_BROKEN
 	bool
 	select GENERIC_ISA_DMA
 
+config ISA_DMA_API
+	bool
+
 config GENERIC_GPIO
 	bool
 
@@ -1646,8 +1651,16 @@ config MIPS_MT_SMP
 	select SYS_SUPPORTS_SMP
 	select SMP_UP
 	help
-	  This is a kernel model which is also known a VSMP or lately
-	  has been marketesed into SMVP.
+	  This is a kernel model which is known a VSMP but lately has been
+	  marketesed into SMVP.
+	  Virtual SMP uses the processor's VPEs  to implement virtual
+	  processors. In currently available configuration of the 34K processor
+	  this allows for a dual processor. Both processors will share the same
+	  primary caches; each will obtain the half of the TLB for it's own
+	  exclusive use. For a layman this model can be described as similar to
+	  what Intel calls Hyperthreading.
+
+	  For further information see http://www.linux-mips.org/wiki/34K#VSMP
 
 config MIPS_MT_SMTC
 	bool "SMTC: Use all TCs on all VPEs for SMP"
@@ -1664,6 +1677,14 @@ config MIPS_MT_SMTC
 	help
 	  This is a kernel model which is known a SMTC or lately has been
 	  marketesed into SMVP.
+	  is presenting the available TC's of the core as processors to Linux.
+	  On currently available 34K processors this means a Linux system will
+	  see up to 5 processors. The implementation of the SMTC kernel differs
+	  significantly from VSMP and cannot efficiently coexist in the same
+	  kernel binary so the choice between VSMP and SMTC is a compile time
+	  decision.
+
+	  For further information see http://www.linux-mips.org/wiki/34K#SMTC
 
 endchoice
 
@@ -2107,6 +2128,13 @@ config SECCOMP
 
 	  If unsure, say Y. Only embedded should say N here.
 
+config USE_OF
+	bool "Flattened Device Tree support"
+	select OF
+	select OF_FLATTREE
+	help
+	  Include support for flattened device tree machine descriptions.
+
 endmenu
 
 config LOCKDEP_SUPPORT
@@ -2175,10 +2203,14 @@ config TC
 	bool "TURBOchannel support"
 	depends on MACH_DECSTATION
 	help
-	  TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
-	  processors.  Documentation on writing device drivers for TurboChannel
-	  is available at:
-	  <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
+	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
+	  processors.  TURBOchannel programming specifications are available
+	  at:
+	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
+	  and:
+	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
+	  Linux driver support status is documented at:
+	  <http://www.linux-mips.org/wiki/DECstation>
 
 #config ACCESSBUS
 #	bool "Access.Bus support"
diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index 1dc55ee2681b..3691630931d6 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -24,6 +24,33 @@
 
 #include <prom.h>
 
+static void alchemy_8250_pm(struct uart_port *port, unsigned int state,
+			    unsigned int old_state)
+{
+	switch (state) {
+	case 0:
+		if ((__raw_readl(port->membase + UART_MOD_CNTRL) & 3) != 3) {
+			/* power-on sequence as suggested in the databooks */
+			__raw_writel(0, port->membase + UART_MOD_CNTRL);
+			wmb();
+			__raw_writel(1, port->membase + UART_MOD_CNTRL);
+			wmb();
+		}
+		__raw_writel(3, port->membase + UART_MOD_CNTRL); /* full on */
+		wmb();
+		serial8250_do_pm(port, state, old_state);
+		break;
+	case 3:		/* power off */
+		serial8250_do_pm(port, state, old_state);
+		__raw_writel(0, port->membase + UART_MOD_CNTRL);
+		wmb();
+		break;
+	default:
+		serial8250_do_pm(port, state, old_state);
+		break;
+	}
+}
+
 #define PORT(_base, _irq)					\
 	{							\
 		.mapbase	= _base,			\
@@ -33,6 +60,7 @@
 		.flags		= UPF_SKIP_TEST | UPF_IOREMAP |	\
 				  UPF_FIXED_TYPE,		\
 		.type		= PORT_16550A,			\
+		.pm		= alchemy_8250_pm,		\
 	}
 
 static struct plat_serial8250_port au1x00_uart_data[] = {
diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c
index 5ef06a164a82..e5916a516e58 100644
--- a/arch/mips/alchemy/common/power.c
+++ b/arch/mips/alchemy/common/power.c
@@ -49,11 +49,6 @@
  * We only have to save/restore registers that aren't otherwise
  * done as part of a driver pm_* function.
  */
-static unsigned int sleep_uart0_inten;
-static unsigned int sleep_uart0_fifoctl;
-static unsigned int sleep_uart0_linectl;
-static unsigned int sleep_uart0_clkdiv;
-static unsigned int sleep_uart0_enable;
 static unsigned int sleep_usb[2];
 static unsigned int sleep_sys_clocks[5];
 static unsigned int sleep_sys_pinfunc;
@@ -62,22 +57,6 @@ static unsigned int sleep_static_memctlr[4][3];
 
 static void save_core_regs(void)
 {
-	extern void save_au1xxx_intctl(void);
-	extern void pm_eth0_shutdown(void);
-
-	/*
-	 * Do the serial ports.....these really should be a pm_*
-	 * registered function by the driver......but of course the
-	 * standard serial driver doesn't understand our Au1xxx
-	 * unique registers.
-	 */
-	sleep_uart0_inten = au_readl(UART0_ADDR + UART_IER);
-	sleep_uart0_fifoctl = au_readl(UART0_ADDR + UART_FCR);
-	sleep_uart0_linectl = au_readl(UART0_ADDR + UART_LCR);
-	sleep_uart0_clkdiv = au_readl(UART0_ADDR + UART_CLK);
-	sleep_uart0_enable = au_readl(UART0_ADDR + UART_MOD_CNTRL);
-	au_sync();
-
 #ifndef CONFIG_SOC_AU1200
 	/* Shutdown USB host/device. */
 	sleep_usb[0] = au_readl(USB_HOST_CONFIG);
@@ -175,20 +154,6 @@ static void restore_core_regs(void)
 	au_writel(sleep_static_memctlr[3][0], MEM_STCFG3);
 	au_writel(sleep_static_memctlr[3][1], MEM_STTIME3);
 	au_writel(sleep_static_memctlr[3][2], MEM_STADDR3);
-
-	/*
-	 * Enable the UART if it was enabled before sleep.
-	 * I guess I should define module control bits........
-	 */
-	if (sleep_uart0_enable & 0x02) {
-		au_writel(0, UART0_ADDR + UART_MOD_CNTRL); au_sync();
-		au_writel(1, UART0_ADDR + UART_MOD_CNTRL); au_sync();
-		au_writel(3, UART0_ADDR + UART_MOD_CNTRL); au_sync();
-		au_writel(sleep_uart0_inten, UART0_ADDR + UART_IER); au_sync();
-		au_writel(sleep_uart0_fifoctl, UART0_ADDR + UART_FCR); au_sync();
-		au_writel(sleep_uart0_linectl, UART0_ADDR + UART_LCR); au_sync();
-		au_writel(sleep_uart0_clkdiv, UART0_ADDR + UART_CLK); au_sync();
-	}
 }
 
 void au_sleep(void)
diff --git a/arch/mips/alchemy/common/prom.c b/arch/mips/alchemy/common/prom.c
index c29511b11d44..534021059629 100644
--- a/arch/mips/alchemy/common/prom.c
+++ b/arch/mips/alchemy/common/prom.c
@@ -43,7 +43,7 @@ int prom_argc;
 char **prom_argv;
 char **prom_envp;
 
-void prom_init_cmdline(void)
+void __init prom_init_cmdline(void)
 {
 	int i;
 
@@ -104,7 +104,7 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str)
 	}
 }
 
-int prom_get_ethernet_addr(char *ethernet_addr)
+int __init prom_get_ethernet_addr(char *ethernet_addr)
 {
 	char *ethaddr_str;
 
@@ -123,7 +123,6 @@ int prom_get_ethernet_addr(char *ethernet_addr)
 
 	return 0;
 }
-EXPORT_SYMBOL(prom_get_ethernet_addr);
 
 void __init prom_free_prom_memory(void)
 {
diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c
index 3bc4fd2155d7..c52af8821da0 100644
--- a/arch/mips/alchemy/devboards/bcsr.c
+++ b/arch/mips/alchemy/devboards/bcsr.c
@@ -10,6 +10,7 @@
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
+#include <linux/irq.h>
 #include <asm/addrspace.h>
 #include <asm/io.h>
 #include <asm/mach-db1x00/bcsr.h>
diff --git a/arch/mips/ar7/irq.c b/arch/mips/ar7/irq.c
index c781556c44e4..4ec2642c568f 100644
--- a/arch/mips/ar7/irq.c
+++ b/arch/mips/ar7/irq.c
@@ -19,6 +19,7 @@
 
 #include <linux/interrupt.h>
 #include <linux/io.h>
+#include <linux/irq.h>
 
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c
index a0c5cd18c192..3be87f2422f0 100644
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -11,6 +11,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
+#include <linux/irq.h>
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
 #include <bcm63xx_cpu.h>
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index ed9bb709c9a3..5042d51b0512 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -59,7 +59,7 @@ $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
 hostprogs-y := calc_vmlinuz_load_addr
 
 VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
-		$(objtree)/$(KBUILD_IMAGE) $(VMLINUX_LOAD_ADDRESS))
+		$(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS))
 
 vmlinuzobjs-y += $(obj)/piggy.o
 
@@ -105,4 +105,4 @@ OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
 vmlinuz.srec: vmlinuz
 	$(call cmd,objcopy)
 
-clean-files := $(objtree)/vmlinuz.*
+clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec}
diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig
index 094c17e38e16..47323ca452dc 100644
--- a/arch/mips/cavium-octeon/Kconfig
+++ b/arch/mips/cavium-octeon/Kconfig
@@ -83,3 +83,7 @@ config ARCH_SPARSEMEM_ENABLE
 	def_bool y
 	select SPARSEMEM_STATIC
 	depends on CPU_CAVIUM_OCTEON
+
+config CAVIUM_OCTEON_HELPER
+	def_bool y
+	depends on OCTEON_ETHERNET || PCI
diff --git a/arch/mips/cavium-octeon/cpu.c b/arch/mips/cavium-octeon/cpu.c
index c664c8cc2b42..a5b427909b5c 100644
--- a/arch/mips/cavium-octeon/cpu.c
+++ b/arch/mips/cavium-octeon/cpu.c
@@ -41,7 +41,7 @@ static int cnmips_cu2_call(struct notifier_block *nfb, unsigned long action,
 	return NOTIFY_OK;		/* Let default notifier send signals */
 }
 
-static int cnmips_cu2_setup(void)
+static int __init cnmips_cu2_setup(void)
 {
 	return cu2_notifier(cnmips_cu2_call, 0);
 }
diff --git a/arch/mips/cavium-octeon/executive/Makefile b/arch/mips/cavium-octeon/executive/Makefile
index 2fd66db6939e..7f41c5be2190 100644
--- a/arch/mips/cavium-octeon/executive/Makefile
+++ b/arch/mips/cavium-octeon/executive/Makefile
@@ -11,4 +11,4 @@
 
 obj-y += cvmx-bootmem.o cvmx-l2c.o cvmx-sysinfo.o octeon-model.o
 
-obj-$(CONFIG_PCI) += cvmx-helper-errata.o cvmx-helper-jtag.o
+obj-$(CONFIG_CAVIUM_OCTEON_HELPER) += cvmx-helper-errata.o cvmx-helper-jtag.o
diff --git a/arch/mips/cavium-octeon/serial.c b/arch/mips/cavium-octeon/serial.c
index 638adab02842..12dbf533b77d 100644
--- a/arch/mips/cavium-octeon/serial.c
+++ b/arch/mips/cavium-octeon/serial.c
@@ -13,6 +13,7 @@
 #include <linux/serial_8250.h>
 #include <linux/serial_reg.h>
 #include <linux/tty.h>
+#include <linux/irq.h>
 
 #include <asm/time.h>
 
diff --git a/arch/mips/dec/Platform b/arch/mips/dec/Platform
index 3adbcbd95db1..cf55a6f4e720 100644
--- a/arch/mips/dec/Platform
+++ b/arch/mips/dec/Platform
@@ -1,7 +1,7 @@
 #
 # DECstation family
 #
-platform-$(CONFIG_MACH_DECSTATION)	= dec/
+platform-$(CONFIG_MACH_DECSTATION)	+= dec/
 cflags-$(CONFIG_MACH_DECSTATION)	+= \
 			-I$(srctree)/arch/mips/include/asm/mach-dec
 libs-$(CONFIG_MACH_DECSTATION)		+= arch/mips/dec/prom/
diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c
index bd5431e1f408..fa45e924be05 100644
--- a/arch/mips/dec/setup.c
+++ b/arch/mips/dec/setup.c
@@ -18,6 +18,7 @@
 #include <linux/spinlock.h>
 #include <linux/types.h>
 #include <linux/pm.h>
+#include <linux/irq.h>
 
 #include <asm/bootinfo.h>
 #include <asm/cpu.h>
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index c63c56bfd184..47d87da379f9 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -782,6 +782,10 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
  */
 #define atomic64_add_negative(i, v) (atomic64_add_return(i, (v)) < 0)
 
+#else /* !CONFIG_64BIT */
+
+#include <asm-generic/atomic64.h>
+
 #endif /* CONFIG_64BIT */
 
 /*
diff --git a/arch/mips/include/asm/cop2.h b/arch/mips/include/asm/cop2.h
index 2cb2f0c2c4f8..3532e2c5f098 100644
--- a/arch/mips/include/asm/cop2.h
+++ b/arch/mips/include/asm/cop2.h
@@ -24,7 +24,7 @@ extern int cu2_notifier_call_chain(unsigned long val, void *v);
 
 #define cu2_notifier(fn, pri)						\
 ({									\
-	static struct notifier_block fn##_nb __cpuinitdata = {		\
+	static struct notifier_block fn##_nb = {			\
 		.notifier_call = fn,					\
 		.priority = pri						\
 	};								\
diff --git a/arch/mips/include/asm/fcntl.h b/arch/mips/include/asm/fcntl.h
index e482fe90fe88..75eddedcfc3e 100644
--- a/arch/mips/include/asm/fcntl.h
+++ b/arch/mips/include/asm/fcntl.h
@@ -56,6 +56,7 @@
  */
 
 #ifdef CONFIG_32BIT
+#include <linux/types.h>
 
 struct flock {
 	short	l_type;
diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h
index 9b9436a4d816..86548da650e7 100644
--- a/arch/mips/include/asm/gic.h
+++ b/arch/mips/include/asm/gic.h
@@ -321,6 +321,7 @@ struct gic_intrmask_regs {
  */
 struct gic_intr_map {
 	unsigned int cpunum;	/* Directed to this CPU */
+#define GIC_UNUSED		0xdead			/* Dummy data */
 	unsigned int pin;	/* Directed to this Pin */
 	unsigned int polarity;	/* Polarity : +/-	*/
 	unsigned int trigtype;	/* Trigger  : Edge/Levl */
diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h
index dea4aed6478f..b003ed52ed17 100644
--- a/arch/mips/include/asm/irq.h
+++ b/arch/mips/include/asm/irq.h
@@ -16,6 +16,11 @@
 
 #include <irq.h>
 
+static inline void irq_dispose_mapping(unsigned int virq)
+{
+	return;
+}
+
 #ifdef CONFIG_I8259
 static inline int irq_canonicalize(int irq)
 {
diff --git a/arch/mips/include/asm/irqflags.h b/arch/mips/include/asm/irqflags.h
index 701ec0ba8fa9..9ef3b0d17896 100644
--- a/arch/mips/include/asm/irqflags.h
+++ b/arch/mips/include/asm/irqflags.h
@@ -17,7 +17,7 @@
 #include <asm/hazards.h>
 
 __asm__(
-	"	.macro	raw_local_irq_enable				\n"
+	"	.macro	arch_local_irq_enable				\n"
 	"	.set	push						\n"
 	"	.set	reorder						\n"
 	"	.set	noat						\n"
@@ -40,7 +40,7 @@ __asm__(
 
 extern void smtc_ipi_replay(void);
 
-static inline void raw_local_irq_enable(void)
+static inline void arch_local_irq_enable(void)
 {
 #ifdef CONFIG_MIPS_MT_SMTC
 	/*
@@ -50,7 +50,7 @@ static inline void raw_local_irq_enable(void)
 	smtc_ipi_replay();
 #endif
 	__asm__ __volatile__(
-		"raw_local_irq_enable"
+		"arch_local_irq_enable"
 		: /* no outputs */
 		: /* no inputs */
 		: "memory");
@@ -76,7 +76,7 @@ static inline void raw_local_irq_enable(void)
  * Workaround: mask EXL bit of the result or place a nop before mfc0.
  */
 __asm__(
-	"	.macro	raw_local_irq_disable\n"
+	"	.macro	arch_local_irq_disable\n"
 	"	.set	push						\n"
 	"	.set	noat						\n"
 #ifdef CONFIG_MIPS_MT_SMTC
@@ -97,17 +97,17 @@ __asm__(
 	"	.set	pop						\n"
 	"	.endm							\n");
 
-static inline void raw_local_irq_disable(void)
+static inline void arch_local_irq_disable(void)
 {
 	__asm__ __volatile__(
-		"raw_local_irq_disable"
+		"arch_local_irq_disable"
 		: /* no outputs */
 		: /* no inputs */
 		: "memory");
 }
 
 __asm__(
-	"	.macro	raw_local_save_flags flags			\n"
+	"	.macro	arch_local_save_flags flags			\n"
 	"	.set	push						\n"
 	"	.set	reorder						\n"
 #ifdef CONFIG_MIPS_MT_SMTC
@@ -118,13 +118,15 @@ __asm__(
 	"	.set	pop						\n"
 	"	.endm							\n");
 
-#define raw_local_save_flags(x)						\
-__asm__ __volatile__(							\
-	"raw_local_save_flags %0"					\
-	: "=r" (x))
+static inline unsigned long arch_local_save_flags(void)
+{
+	unsigned long flags;
+	asm volatile("arch_local_save_flags %0" : "=r" (flags));
+	return flags;
+}
 
 __asm__(
-	"	.macro	raw_local_irq_save result			\n"
+	"	.macro	arch_local_irq_save result			\n"
 	"	.set	push						\n"
 	"	.set	reorder						\n"
 	"	.set	noat						\n"
@@ -148,15 +150,18 @@ __asm__(
 	"	.set	pop						\n"
 	"	.endm							\n");
 
-#define raw_local_irq_save(x)						\
-__asm__ __volatile__(							\
-	"raw_local_irq_save\t%0"					\
-	: "=r" (x)							\
-	: /* no inputs */						\
-	: "memory")
+static inline unsigned long arch_local_irq_save(void)
+{
+	unsigned long flags;
+	asm volatile("arch_local_irq_save\t%0"
+		     : "=r" (flags)
+		     : /* no inputs */
+		     : "memory");
+	return flags;
+}
 
 __asm__(
-	"	.macro	raw_local_irq_restore flags			\n"
+	"	.macro	arch_local_irq_restore flags			\n"
 	"	.set	push						\n"
 	"	.set	noreorder					\n"
 	"	.set	noat						\n"
@@ -196,7 +201,7 @@ __asm__(
 	"	.endm							\n");
 
 
-static inline void raw_local_irq_restore(unsigned long flags)
+static inline void arch_local_irq_restore(unsigned long flags)
 {
 	unsigned long __tmp1;
 
@@ -211,24 +216,24 @@ static inline void raw_local_irq_restore(unsigned long flags)
 #endif
 
 	__asm__ __volatile__(
-		"raw_local_irq_restore\t%0"
+		"arch_local_irq_restore\t%0"
 		: "=r" (__tmp1)
 		: "0" (flags)
 		: "memory");
 }
 
-static inline void __raw_local_irq_restore(unsigned long flags)
+static inline void __arch_local_irq_restore(unsigned long flags)
 {
 	unsigned long __tmp1;
 
 	__asm__ __volatile__(
-		"raw_local_irq_restore\t%0"
+		"arch_local_irq_restore\t%0"
 		: "=r" (__tmp1)
 		: "0" (flags)
 		: "memory");
 }
 
-static inline int raw_irqs_disabled_flags(unsigned long flags)
+static inline int arch_irqs_disabled_flags(unsigned long flags)
 {
 #ifdef CONFIG_MIPS_MT_SMTC
 	/*
diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h
index cb6985f24303..1e29b9dd1d73 100644
--- a/arch/mips/include/asm/mach-loongson/loongson.h
+++ b/arch/mips/include/asm/mach-loongson/loongson.h
@@ -13,6 +13,7 @@
 
 #include <linux/io.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 
 /* loongson internal northbridge initialization */
 extern void bonito_irq_init(void);
diff --git a/arch/mips/include/asm/mach-tx49xx/kmalloc.h b/arch/mips/include/asm/mach-tx49xx/kmalloc.h
index b74caf65482b..ff9a8b86cb93 100644
--- a/arch/mips/include/asm/mach-tx49xx/kmalloc.h
+++ b/arch/mips/include/asm/mach-tx49xx/kmalloc.h
@@ -1,6 +1,6 @@
 #ifndef __ASM_MACH_TX49XX_KMALLOC_H
 #define __ASM_MACH_TX49XX_KMALLOC_H
 
-#define ARCH_KMALLOC_MINALIGN	L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
 
 #endif /* __ASM_MACH_TX49XX_KMALLOC_H */
diff --git a/arch/mips/include/asm/mips-boards/maltaint.h b/arch/mips/include/asm/mips-boards/maltaint.h
index cea872fc6f5c..d11aa02a956a 100644
--- a/arch/mips/include/asm/mips-boards/maltaint.h
+++ b/arch/mips/include/asm/mips-boards/maltaint.h
@@ -88,9 +88,6 @@
 
 #define GIC_EXT_INTR(x)		x
 
-/* Dummy data */
-#define X			0xdead
-
 /* External Interrupts used for IPI */
 #define GIC_IPI_EXT_INTR_RESCHED_VPE0	16
 #define GIC_IPI_EXT_INTR_CALLFNC_VPE0	17
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index a16beafcea91..e59cd1ac09c2 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -150,6 +150,20 @@ typedef struct { unsigned long pgprot; } pgprot_t;
     ((unsigned long)(x) - PAGE_OFFSET + PHYS_OFFSET)
 #endif
 #define __va(x)		((void *)((unsigned long)(x) + PAGE_OFFSET - PHYS_OFFSET))
+
+/*
+ * RELOC_HIDE was originally added by 6007b903dfe5f1d13e0c711ac2894bdd4a61b1ad
+ * (lmo) rsp. 8431fd094d625b94d364fe393076ccef88e6ce18 (kernel.org).  The
+ * discussion can be found in lkml posting
+ * <a2ebde260608230500o3407b108hc03debb9da6e62c@mail.gmail.com> which is
+ * archived at http://lists.linuxcoding.com/kernel/2006-q3/msg17360.html
+ *
+ * It is unclear if the misscompilations mentioned in
+ * http://lkml.org/lkml/2010/8/8/138 also affect MIPS so we keep this one
+ * until GCC 3.x has been retired before we can apply
+ * https://patchwork.linux-mips.org/patch/1541/
+ */
+
 #define __pa_symbol(x)	__pa(RELOC_HIDE((unsigned long)(x), 0))
 
 #define pfn_to_kaddr(pfn)	__va((pfn) << PAGE_SHIFT)
diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h
new file mode 100644
index 000000000000..f29b862d9db3
--- /dev/null
+++ b/arch/mips/include/asm/prom.h
@@ -0,0 +1,31 @@
+/*
+ *  arch/mips/include/asm/prom.h
+ *
+ *  Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#ifndef __ASM_MIPS_PROM_H
+#define __ASM_MIPS_PROM_H
+
+#ifdef CONFIG_OF
+#include <asm/bootinfo.h>
+
+/* which is compatible with the flattened device tree (FDT) */
+#define cmd_line arcs_cmdline
+
+extern int early_init_dt_scan_memory_arch(unsigned long node,
+	const char *uname, int depth, void *data);
+
+extern int reserve_mem_mach(unsigned long addr, unsigned long size);
+extern void free_mem_mach(unsigned long addr, unsigned long size);
+
+extern void device_tree_init(void);
+#else /* CONFIG_OF */
+static inline void device_tree_init(void) { }
+#endif /* CONFIG_OF */
+
+#endif /* _ASM_MIPS_PROM_H */
diff --git a/arch/mips/include/asm/siginfo.h b/arch/mips/include/asm/siginfo.h
index 96e28f18dad1..1ca64b4d33d9 100644
--- a/arch/mips/include/asm/siginfo.h
+++ b/arch/mips/include/asm/siginfo.h
@@ -88,6 +88,7 @@ typedef struct siginfo {
 #ifdef __ARCH_SI_TRAPNO
 			int _trapno;	/* TRAP # which caused the signal */
 #endif
+			short _addr_lsb;
 		} _sigfault;
 
 		/* SIGPOLL, SIGXFSZ (To do ...)  */
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index 2376f2e06e47..70df9c0d3c5b 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -146,7 +146,8 @@ register struct thread_info *__current_thread_info __asm__("$28");
 #define _TIF_LOAD_WATCH		(1<<TIF_LOAD_WATCH)
 
 /* work to do on interrupt/exception return */
-#define _TIF_WORK_MASK		(0x0000ffef & ~_TIF_SECCOMP)
+#define _TIF_WORK_MASK		(0x0000ffef &				\
+					~(_TIF_SECCOMP | _TIF_SYSCALL_AUDIT))
 /* work to do on any return to u-space */
 #define _TIF_ALLWORK_MASK	(0x8000ffff & ~_TIF_SECCOMP)
 
diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index baa318a59c97..550725b881d5 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -356,16 +356,19 @@
 #define __NR_perf_event_open		(__NR_Linux + 333)
 #define __NR_accept4			(__NR_Linux + 334)
 #define __NR_recvmmsg			(__NR_Linux + 335)
+#define __NR_fanotify_init		(__NR_Linux + 336)
+#define __NR_fanotify_mark		(__NR_Linux + 337)
+#define __NR_prlimit64			(__NR_Linux + 338)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		335
+#define __NR_Linux_syscalls		338
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		335
+#define __NR_O32_Linux_syscalls		338
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -668,16 +671,19 @@
 #define __NR_perf_event_open		(__NR_Linux + 292)
 #define __NR_accept4			(__NR_Linux + 293)
 #define __NR_recvmmsg			(__NR_Linux + 294)
+#define __NR_fanotify_init		(__NR_Linux + 295)
+#define __NR_fanotify_mark		(__NR_Linux + 296)
+#define __NR_prlimit64			(__NR_Linux + 297)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		294
+#define __NR_Linux_syscalls		297
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		294
+#define __NR_64_Linux_syscalls		297
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -985,16 +991,19 @@
 #define __NR_accept4			(__NR_Linux + 297)
 #define __NR_recvmmsg			(__NR_Linux + 298)
 #define __NR_getdents64			(__NR_Linux + 299)
+#define __NR_fanotify_init		(__NR_Linux + 300)
+#define __NR_fanotify_mark		(__NR_Linux + 301)
+#define __NR_prlimit64			(__NR_Linux + 302)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls		299
+#define __NR_Linux_syscalls		302
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux			6000
-#define __NR_N32_Linux_syscalls		299
+#define __NR_N32_Linux_syscalls		302
 
 #ifdef __KERNEL__
 
diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c
index ee18028efe92..35b3e2f0af04 100644
--- a/arch/mips/jazz/irq.c
+++ b/arch/mips/jazz/irq.c
@@ -12,6 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/smp.h>
 #include <linux/spinlock.h>
+#include <linux/irq.h>
 
 #include <asm/irq_cpu.h>
 #include <asm/i8253.h>
diff --git a/arch/mips/jz4740/Platform b/arch/mips/jz4740/Platform
index 6a97230e3d05..ba91be9c21ef 100644
--- a/arch/mips/jz4740/Platform
+++ b/arch/mips/jz4740/Platform
@@ -1,3 +1,3 @@
-core-$(CONFIG_MACH_JZ4740)	+= arch/mips/jz4740/
+platform-$(CONFIG_MACH_JZ4740)	+= jz4740/
 cflags-$(CONFIG_MACH_JZ4740)	+= -I$(srctree)/arch/mips/include/asm/mach-jz4740
 load-$(CONFIG_MACH_JZ4740)	+= 0xffffffff80010000
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 06f848299785..80884983270d 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -96,6 +96,8 @@ obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 obj-$(CONFIG_SPINLOCK_TEST)	+= spinlock_test.o
 
+obj-$(CONFIG_OF)		+= prom.o
+
 CFLAGS_cpu-bugs64.o	= $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi)
 
 obj-$(CONFIG_HAVE_STD_PC_SERIAL_PORT)	+= 8250-platform.o
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 0176ed015c89..32103cc2a257 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -40,7 +40,6 @@ int __compute_return_epc(struct pt_regs *regs)
 		return -EFAULT;
 	}
 
-	regs->regs[0] = 0;
 	switch (insn.i_format.opcode) {
 	/*
 	 * jr and jalr are in r_format format.
diff --git a/arch/mips/kernel/cevt-bcm1480.c b/arch/mips/kernel/cevt-bcm1480.c
index bfea327c636c..36c3898b76db 100644
--- a/arch/mips/kernel/cevt-bcm1480.c
+++ b/arch/mips/kernel/cevt-bcm1480.c
@@ -19,6 +19,7 @@
 #include <linux/interrupt.h>
 #include <linux/percpu.h>
 #include <linux/smp.h>
+#include <linux/irq.h>
 
 #include <asm/addrspace.h>
 #include <asm/io.h>
diff --git a/arch/mips/kernel/cevt-ds1287.c b/arch/mips/kernel/cevt-ds1287.c
index 00a4da277cbb..939157e397b9 100644
--- a/arch/mips/kernel/cevt-ds1287.c
+++ b/arch/mips/kernel/cevt-ds1287.c
@@ -21,6 +21,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/mc146818rtc.h>
+#include <linux/irq.h>
 
 #include <asm/time.h>
 
diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c
index 392ef3756c56..339f3639b90e 100644
--- a/arch/mips/kernel/cevt-gt641xx.c
+++ b/arch/mips/kernel/cevt-gt641xx.c
@@ -21,6 +21,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
+#include <linux/irq.h>
 
 #include <asm/gt64120.h>
 #include <asm/time.h>
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index 2a4d50ff5e2c..2f4d7a99bcc2 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -10,6 +10,7 @@
 #include <linux/interrupt.h>
 #include <linux/percpu.h>
 #include <linux/smp.h>
+#include <linux/irq.h>
 
 #include <asm/smtc_ipi.h>
 #include <asm/time.h>
diff --git a/arch/mips/kernel/cevt-sb1250.c b/arch/mips/kernel/cevt-sb1250.c
index da78eeaea6e8..590c54f28a81 100644
--- a/arch/mips/kernel/cevt-sb1250.c
+++ b/arch/mips/kernel/cevt-sb1250.c
@@ -17,6 +17,7 @@
  */
 #include <linux/clockchips.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/percpu.h>
 #include <linux/smp.h>
 
diff --git a/arch/mips/kernel/cevt-smtc.c b/arch/mips/kernel/cevt-smtc.c
index b102e4f1630e..2e72d30b2f05 100644
--- a/arch/mips/kernel/cevt-smtc.c
+++ b/arch/mips/kernel/cevt-smtc.c
@@ -11,6 +11,7 @@
 #include <linux/interrupt.h>
 #include <linux/percpu.h>
 #include <linux/smp.h>
+#include <linux/irq.h>
 
 #include <asm/smtc_ipi.h>
 #include <asm/time.h>
diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c
index 218ee6bda935..0b7377361e22 100644
--- a/arch/mips/kernel/cevt-txx9.c
+++ b/arch/mips/kernel/cevt-txx9.c
@@ -13,6 +13,7 @@
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <asm/time.h>
 #include <asm/txx9tmr.h>
 
diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c
index 94794062a177..2392a7a296d4 100644
--- a/arch/mips/kernel/i8253.c
+++ b/arch/mips/kernel/i8253.c
@@ -9,6 +9,7 @@
 #include <linux/module.h>
 #include <linux/smp.h>
 #include <linux/spinlock.h>
+#include <linux/irq.h>
 
 #include <asm/delay.h>
 #include <asm/i8253.h>
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index 27799113332c..c58176cc796b 100644
--- a/arch/mips/kernel/i8259.c
+++ b/arch/mips/kernel/i8259.c
@@ -15,6 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/spinlock.h>
 #include <linux/sysdev.h>
+#include <linux/irq.h>
 
 #include <asm/i8259.h>
 #include <asm/io.h>
diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c
index b181f2f0ea8e..1774271af848 100644
--- a/arch/mips/kernel/irq-gic.c
+++ b/arch/mips/kernel/irq-gic.c
@@ -3,12 +3,11 @@
 #include <linux/bitmap.h>
 #include <linux/init.h>
 #include <linux/smp.h>
+#include <linux/irq.h>
 
 #include <asm/io.h>
 #include <asm/gic.h>
 #include <asm/gcmpregs.h>
-#include <asm/mips-boards/maltaint.h>
-#include <asm/irq.h>
 #include <linux/hardirq.h>
 #include <asm-generic/bitops/find.h>
 
@@ -131,7 +130,7 @@ static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
 	int		i;
 
 	irq -= _irqbase;
-	pr_debug(KERN_DEBUG "%s(%d) called\n", __func__, irq);
+	pr_debug("%s(%d) called\n", __func__, irq);
 	cpumask_and(&tmp, cpumask, cpu_online_mask);
 	if (cpus_empty(tmp))
 		return -1;
@@ -222,7 +221,7 @@ static void __init gic_basic_init(int numintrs, int numvpes,
 	/* Setup specifics */
 	for (i = 0; i < mapsize; i++) {
 		cpu = intrmap[i].cpunum;
-		if (cpu == X)
+		if (cpu == GIC_UNUSED)
 			continue;
 		if (cpu == 0 && i != 0 && intrmap[i].flags == 0)
 			continue;
diff --git a/arch/mips/kernel/irq-rm7000.c b/arch/mips/kernel/irq-rm7000.c
index fb50cc78b28b..9731e8b47862 100644
--- a/arch/mips/kernel/irq-rm7000.c
+++ b/arch/mips/kernel/irq-rm7000.c
@@ -11,6 +11,7 @@
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/kernel.h>
 
 #include <asm/irq_cpu.h>
diff --git a/arch/mips/kernel/irq-rm9000.c b/arch/mips/kernel/irq-rm9000.c
index b47e4615ec12..b7e4025b58a8 100644
--- a/arch/mips/kernel/irq-rm9000.c
+++ b/arch/mips/kernel/irq-rm9000.c
@@ -11,6 +11,7 @@
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c
index 55c8a3ca507b..0262abe09121 100644
--- a/arch/mips/kernel/irq_cpu.c
+++ b/arch/mips/kernel/irq_cpu.c
@@ -30,6 +30,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
+#include <linux/irq.h>
 
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
diff --git a/arch/mips/kernel/irq_txx9.c b/arch/mips/kernel/irq_txx9.c
index 9b78029bea70..95a96f69172d 100644
--- a/arch/mips/kernel/irq_txx9.c
+++ b/arch/mips/kernel/irq_txx9.c
@@ -16,6 +16,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/types.h>
+#include <linux/irq.h>
 #include <asm/txx9irq.h>
 
 struct txx9_irc_reg {
diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c
index 1f4e2fa64140..f4546e97c60d 100644
--- a/arch/mips/kernel/kgdb.c
+++ b/arch/mips/kernel/kgdb.c
@@ -283,7 +283,7 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd,
 	struct pt_regs *regs = args->regs;
 	int trap = (regs->cp0_cause & 0x7c) >> 2;
 
-	/* Userpace events, ignore. */
+	/* Userspace events, ignore. */
 	if (user_mode(regs))
 		return NOTIFY_DONE;
 
diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c
index 80e2ba694bab..29811f043399 100644
--- a/arch/mips/kernel/kspd.c
+++ b/arch/mips/kernel/kspd.c
@@ -251,7 +251,7 @@ void sp_work_handle_request(void)
  		memset(&tz, 0, sizeof(tz));
  		if ((ret.retval = sp_syscall(__NR_gettimeofday, (int)&tv,
 					     (int)&tz, 0, 0)) == 0)
-		ret.retval = tv.tv_sec;
+			ret.retval = tv.tv_sec;
 		break;
 
  	case MTSP_SYSCALL_EXIT:
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index c2dab140dc98..6343b4a5b835 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -341,3 +341,10 @@ asmlinkage long sys32_lookup_dcookie(u32 a0, u32 a1, char __user *buf,
 {
 	return sys_lookup_dcookie(merge_64(a0, a1), buf, len);
 }
+
+SYSCALL_DEFINE6(32_fanotify_mark, int, fanotify_fd, unsigned int, flags,
+		u64, a3, u64, a4, int, dfd, const char  __user *, pathname)
+{
+	return sys_fanotify_mark(fanotify_fd, flags, merge_64(a3, a4),
+				 dfd, pathname);
+}
diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c
index 2340f11dc29c..802e6160f37e 100644
--- a/arch/mips/kernel/mips-mt-fpaff.c
+++ b/arch/mips/kernel/mips-mt-fpaff.c
@@ -103,7 +103,7 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len,
 	if (!check_same_owner(p) && !capable(CAP_SYS_NICE))
 		goto out_unlock;
 
-	retval = security_task_setscheduler(p, 0, NULL);
+	retval = security_task_setscheduler(p);
 	if (retval)
 		goto out_unlock;
 
diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
new file mode 100644
index 000000000000..e000b278f024
--- /dev/null
+++ b/arch/mips/kernel/prom.c
@@ -0,0 +1,112 @@
+/*
+ * MIPS support for CONFIG_OF device tree support
+ *
+ * Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/bootmem.h>
+#include <linux/initrd.h>
+#include <linux/debugfs.h>
+#include <linux/of.h>
+#include <linux/of_fdt.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+
+#include <asm/page.h>
+#include <asm/prom.h>
+
+int __init early_init_dt_scan_memory_arch(unsigned long node,
+					  const char *uname, int depth,
+					  void *data)
+{
+	return early_init_dt_scan_memory(node, uname, depth, data);
+}
+
+void __init early_init_dt_add_memory_arch(u64 base, u64 size)
+{
+	return add_memory_region(base, size, BOOT_MEM_RAM);
+}
+
+int __init reserve_mem_mach(unsigned long addr, unsigned long size)
+{
+	return reserve_bootmem(addr, size, BOOTMEM_DEFAULT);
+}
+
+void __init free_mem_mach(unsigned long addr, unsigned long size)
+{
+	return free_bootmem(addr, size);
+}
+
+u64 __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
+{
+	return virt_to_phys(
+		__alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS))
+		);
+}
+
+#ifdef CONFIG_BLK_DEV_INITRD
+void __init early_init_dt_setup_initrd_arch(unsigned long start,
+					    unsigned long end)
+{
+	initrd_start = (unsigned long)__va(start);
+	initrd_end = (unsigned long)__va(end);
+	initrd_below_start_ok = 1;
+}
+#endif
+
+/*
+ * irq_create_of_mapping - Hook to resolve OF irq specifier into a Linux irq#
+ *
+ * Currently the mapping mechanism is trivial; simple flat hwirq numbers are
+ * mapped 1:1 onto Linux irq numbers.  Cascaded irq controllers are not
+ * supported.
+ */
+unsigned int irq_create_of_mapping(struct device_node *controller,
+				   const u32 *intspec, unsigned int intsize)
+{
+	return intspec[0];
+}
+EXPORT_SYMBOL_GPL(irq_create_of_mapping);
+
+void __init early_init_devtree(void *params)
+{
+	/* Setup flat device-tree pointer */
+	initial_boot_params = params;
+
+	/* Retrieve various informations from the /chosen node of the
+	 * device-tree, including the platform type, initrd location and
+	 * size, and more ...
+	 */
+	of_scan_flat_dt(early_init_dt_scan_chosen, NULL);
+
+	/* Scan memory nodes */
+	of_scan_flat_dt(early_init_dt_scan_root, NULL);
+	of_scan_flat_dt(early_init_dt_scan_memory_arch, NULL);
+}
+
+void __init device_tree_init(void)
+{
+	unsigned long base, size;
+
+	if (!initial_boot_params)
+		return;
+
+	base = virt_to_phys((void *)initial_boot_params);
+	size = initial_boot_params->totalsize;
+
+	/* Before we do anything, lets reserve the dt blob */
+	reserve_mem_mach(base, size);
+
+	unflatten_device_tree();
+
+	/* free the space reserved for the dt blob */
+	free_mem_mach(base, size);
+}
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index c51b95ff8644..c8777333e198 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -536,7 +536,7 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
 {
 	/* do the secure computing check first */
 	if (!entryexit)
-		secure_computing(regs->regs[0]);
+		secure_computing(regs->regs[2]);
 
 	if (unlikely(current->audit_context) && entryexit)
 		audit_syscall_exit(AUDITSC_RESULT(regs->regs[2]),
@@ -565,7 +565,7 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
 
 out:
 	if (unlikely(current->audit_context) && !entryexit)
-		audit_syscall_entry(audit_arch(), regs->regs[0],
+		audit_syscall_entry(audit_arch(), regs->regs[2],
 				    regs->regs[4], regs->regs[5],
 				    regs->regs[6], regs->regs[7]);
 }
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index 26f9b9ab19cc..557ef72472e0 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -468,7 +468,8 @@ static const struct file_operations rtlx_fops = {
 	.release = file_release,
 	.write =   file_write,
 	.read =    file_read,
-	.poll =    file_poll
+	.poll =    file_poll,
+	.llseek =  noop_llseek,
 };
 
 static struct irqaction rtlx_irq = {
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 17202bbe843f..fbaabad0e6e2 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -63,9 +63,9 @@ stack_done:
 	sw	t0, PT_R7(sp)		# set error flag
 	beqz	t0, 1f
 
+	lw	t1, PT_R2(sp)		# syscall number
 	negu	v0			# error
-	sw	v0, PT_R0(sp)		# set flag for syscall
-					# restarting
+	sw	t1, PT_R0(sp)		# save it for syscall restarting
 1:	sw	v0, PT_R2(sp)		# result
 
 o32_syscall_exit:
@@ -104,9 +104,9 @@ syscall_trace_entry:
 	sw	t0, PT_R7(sp)		# set error flag
 	beqz	t0, 1f
 
+	lw	t1, PT_R2(sp)		# syscall number
 	negu	v0			# error
-	sw	v0, PT_R0(sp)		# set flag for syscall
-					# restarting
+	sw	t1, PT_R0(sp)		# save it for syscall restarting
 1:	sw	v0, PT_R2(sp)		# result
 
 	j	syscall_exit
@@ -169,8 +169,7 @@ stackargs:
 	 * We probably should handle this case a bit more drastic.
 	 */
 bad_stack:
-	negu	v0				# error
-	sw	v0, PT_R0(sp)
+	li	v0, EFAULT
 	sw	v0, PT_R2(sp)
 	li	t0, 1				# set error flag
 	sw	t0, PT_R7(sp)
@@ -583,7 +582,10 @@ einval:	li	v0, -ENOSYS
 	sys	sys_rt_tgsigqueueinfo	4
 	sys	sys_perf_event_open	5
 	sys	sys_accept4		4
-	sys     sys_recvmmsg            5
+	sys	sys_recvmmsg		5	/* 4335 */
+	sys	sys_fanotify_init	2
+	sys	sys_fanotify_mark	6
+	sys	sys_prlimit64		4
 	.endm
 
 	/* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index a8a6c596eb04..3f4179283207 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -66,9 +66,9 @@ NESTED(handle_sys64, PT_SIZE, sp)
 	sd	t0, PT_R7(sp)		# set error flag
 	beqz	t0, 1f
 
+	ld	t1, PT_R2(sp)		# syscall number
 	dnegu	v0			# error
-	sd	v0, PT_R0(sp)		# set flag for syscall
-					# restarting
+	sd	t1, PT_R0(sp)		# save it for syscall restarting
 1:	sd	v0, PT_R2(sp)		# result
 
 n64_syscall_exit:
@@ -109,8 +109,9 @@ syscall_trace_entry:
 	sd	t0, PT_R7(sp)		# set error flag
 	beqz	t0, 1f
 
+	ld	t1, PT_R2(sp)		# syscall number
 	dnegu	v0			# error
-	sd	v0, PT_R0(sp)		# set flag for syscall restarting
+	sd	t1, PT_R0(sp)		# save it for syscall restarting
 1:	sd	v0, PT_R2(sp)		# result
 
 	j	syscall_exit
@@ -416,9 +417,12 @@ sys_call_table:
 	PTR	sys_pipe2
 	PTR	sys_inotify_init1
 	PTR	sys_preadv
-	PTR	sys_pwritev			/* 5390 */
+	PTR	sys_pwritev			/* 5290 */
 	PTR	sys_rt_tgsigqueueinfo
 	PTR	sys_perf_event_open
 	PTR	sys_accept4
-	PTR     sys_recvmmsg
+	PTR	sys_recvmmsg
+	PTR	sys_fanotify_init		/* 5295 */
+	PTR	sys_fanotify_mark
+	PTR	sys_prlimit64
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index a3d66137731a..f08ece6d8acc 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -65,8 +65,9 @@ NESTED(handle_sysn32, PT_SIZE, sp)
 	sd	t0, PT_R7(sp)		# set error flag
 	beqz	t0, 1f
 
+	ld	t1, PT_R2(sp)		# syscall number
 	dnegu	v0			# error
-	sd	v0, PT_R0(sp)		# set flag for syscall restarting
+	sd	t1, PT_R0(sp)		# save it for syscall restarting
 1:	sd	v0, PT_R2(sp)		# result
 
 	local_irq_disable		# make sure need_resched and
@@ -106,8 +107,9 @@ n32_syscall_trace_entry:
 	sd	t0, PT_R7(sp)		# set error flag
 	beqz	t0, 1f
 
+	ld	t1, PT_R2(sp)		# syscall number
 	dnegu	v0			# error
-	sd	v0, PT_R0(sp)		# set flag for syscall restarting
+	sd	t1, PT_R0(sp)		# save it for syscall restarting
 1:	sd	v0, PT_R2(sp)		# result
 
 	j	syscall_exit
@@ -320,10 +322,10 @@ EXPORT(sysn32_call_table)
 	PTR	sys_cacheflush
 	PTR	sys_cachectl
 	PTR	sys_sysmips
-	PTR	sys_io_setup			/* 6200 */
+	PTR	compat_sys_io_setup			/* 6200 */
 	PTR	sys_io_destroy
-	PTR	sys_io_getevents
-	PTR	sys_io_submit
+	PTR	compat_sys_io_getevents
+	PTR	compat_sys_io_submit
 	PTR	sys_io_cancel
 	PTR	sys_exit_group			/* 6205 */
 	PTR	sys_lookup_dcookie
@@ -419,5 +421,8 @@ EXPORT(sysn32_call_table)
 	PTR	sys_perf_event_open
 	PTR	sys_accept4
 	PTR     compat_sys_recvmmsg
-	PTR     sys_getdents
+	PTR     sys_getdents64
+	PTR	sys_fanotify_init		/* 6300 */
+	PTR	sys_fanotify_mark
+	PTR	sys_prlimit64
 	.size	sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 813689ef2384..78d768a3e19d 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -93,8 +93,9 @@ NESTED(handle_sys, PT_SIZE, sp)
 	sd	t0, PT_R7(sp)		# set error flag
 	beqz	t0, 1f
 
+	ld	t1, PT_R2(sp)		# syscall number
 	dnegu	v0			# error
-	sd	v0, PT_R0(sp)		# flag for syscall restarting
+	sd	t1, PT_R0(sp)		# save it for syscall restarting
 1:	sd	v0, PT_R2(sp)		# result
 
 o32_syscall_exit:
@@ -142,8 +143,9 @@ trace_a_syscall:
 	sd	t0, PT_R7(sp)		# set error flag
 	beqz	t0, 1f
 
+	ld	t1, PT_R2(sp)		# syscall number
 	dnegu	v0			# error
-	sd	v0, PT_R0(sp)		# set flag for syscall restarting
+	sd	t1, PT_R0(sp)		# save it for syscall restarting
 1:	sd	v0, PT_R2(sp)		# result
 
 	j	syscall_exit
@@ -154,8 +156,7 @@ trace_a_syscall:
 	 * The stackpointer for a call with more than 4 arguments is bad.
 	 */
 bad_stack:
-	dnegu	v0			# error
-	sd	v0, PT_R0(sp)
+	li	v0, EFAULT
 	sd	v0, PT_R2(sp)
 	li	t0, 1			# set error flag
 	sd	t0, PT_R7(sp)
@@ -444,10 +445,10 @@ sys_call_table:
 	PTR	compat_sys_futex
 	PTR	compat_sys_sched_setaffinity
 	PTR	compat_sys_sched_getaffinity	/* 4240 */
-	PTR	sys_io_setup
+	PTR	compat_sys_io_setup
 	PTR	sys_io_destroy
-	PTR	sys_io_getevents
-	PTR	sys_io_submit
+	PTR	compat_sys_io_getevents
+	PTR	compat_sys_io_submit
 	PTR	sys_io_cancel			/* 4245 */
 	PTR	sys_exit_group
 	PTR	sys32_lookup_dcookie
@@ -538,5 +539,8 @@ sys_call_table:
 	PTR	compat_sys_rt_tgsigqueueinfo
 	PTR	sys_perf_event_open
 	PTR	sys_accept4
-	PTR     compat_sys_recvmmsg
+	PTR	compat_sys_recvmmsg		/* 4335 */
+	PTR	sys_fanotify_init
+	PTR	sys_32_fanotify_mark
+	PTR	sys_prlimit64
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 85aef3fc6716..a6b900f2962b 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -31,6 +31,7 @@
 #include <asm/setup.h>
 #include <asm/smp-ops.h>
 #include <asm/system.h>
+#include <asm/prom.h>
 
 struct cpuinfo_mips cpu_data[NR_CPUS] __read_mostly;
 
@@ -487,6 +488,7 @@ static void __init arch_mem_init(char **cmdline_p)
 	}
 
 	bootmem_init();
+	device_tree_init();
 	sparse_init();
 	paging_init();
 }
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 2099d5a4c4b7..5922342bca39 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -390,7 +390,6 @@ asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
 {
 	struct rt_sigframe __user *frame;
 	sigset_t set;
-	stack_t st;
 	int sig;
 
 	frame = (struct rt_sigframe __user *) regs.regs[29];
@@ -411,11 +410,9 @@ asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
 	else if (sig)
 		force_sig(sig, current);
 
-	if (__copy_from_user(&st, &frame->rs_uc.uc_stack, sizeof(st)))
-		goto badframe;
 	/* It is more difficult to avoid calling this function than to
 	   call it and ignore errors.  */
-	do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]);
+	do_sigaltstack(&frame->rs_uc.uc_stack, NULL, regs.regs[29]);
 
 	/*
 	 * Don't let your children do this ...
@@ -550,23 +547,26 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
 	struct mips_abi *abi = current->thread.abi;
 	void *vdso = current->mm->context.vdso;
 
-	switch(regs->regs[0]) {
-	case ERESTART_RESTARTBLOCK:
-	case ERESTARTNOHAND:
-		regs->regs[2] = EINTR;
-		break;
-	case ERESTARTSYS:
-		if (!(ka->sa.sa_flags & SA_RESTART)) {
+	if (regs->regs[0]) {
+		switch(regs->regs[2]) {
+		case ERESTART_RESTARTBLOCK:
+		case ERESTARTNOHAND:
 			regs->regs[2] = EINTR;
 			break;
+		case ERESTARTSYS:
+			if (!(ka->sa.sa_flags & SA_RESTART)) {
+				regs->regs[2] = EINTR;
+				break;
+			}
+		/* fallthrough */
+		case ERESTARTNOINTR:
+			regs->regs[7] = regs->regs[26];
+			regs->regs[2] = regs->regs[0];
+			regs->cp0_epc -= 4;
 		}
-	/* fallthrough */
-	case ERESTARTNOINTR:		/* Userland will reload $v0.  */
-		regs->regs[7] = regs->regs[26];
-		regs->cp0_epc -= 8;
-	}
 
-	regs->regs[0] = 0;		/* Don't deal with this again.  */
+		regs->regs[0] = 0;		/* Don't deal with this again.  */
+	}
 
 	if (sig_uses_siginfo(ka))
 		ret = abi->setup_rt_frame(vdso + abi->rt_signal_return_offset,
@@ -575,6 +575,9 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
 		ret = abi->setup_frame(vdso + abi->signal_return_offset,
 				       ka, regs, sig, oldset);
 
+	if (ret)
+		return ret;
+
 	spin_lock_irq(&current->sighand->siglock);
 	sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
 	if (!(ka->sa.sa_flags & SA_NODEFER))
@@ -622,17 +625,13 @@ static void do_signal(struct pt_regs *regs)
 		return;
 	}
 
-	/*
-	 * Who's code doesn't conform to the restartable syscall convention
-	 * dies here!!!  The li instruction, a single machine instruction,
-	 * must directly be followed by the syscall instruction.
-	 */
 	if (regs->regs[0]) {
 		if (regs->regs[2] == ERESTARTNOHAND ||
 		    regs->regs[2] == ERESTARTSYS ||
 		    regs->regs[2] == ERESTARTNOINTR) {
+			regs->regs[2] = regs->regs[0];
 			regs->regs[7] = regs->regs[26];
-			regs->cp0_epc -= 8;
+			regs->cp0_epc -= 4;
 		}
 		if (regs->regs[2] == ERESTART_RESTARTBLOCK) {
 			regs->regs[2] = current->thread.abi->restart;
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index 2c5df818c65a..ee24d814d5b9 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -109,6 +109,7 @@ asmlinkage int sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
 asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
 {
 	struct rt_sigframe_n32 __user *frame;
+	mm_segment_t old_fs;
 	sigset_t set;
 	stack_t st;
 	s32 sp;
@@ -143,7 +144,11 @@ asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
 
 	/* It is more difficult to avoid calling this function than to
 	   call it and ignore errors.  */
+	old_fs = get_fs();
+	set_fs(KERNEL_DS);
 	do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]);
+	set_fs(old_fs);
+
 
 	/*
 	 * Don't let your children do this ...
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index cfeb2c155896..39c08254b0f1 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -1038,7 +1038,7 @@ void deferred_smtc_ipi(void)
 		 * but it's more efficient, given that we're already
 		 * running down the IPI queue.
 		 */
-		__raw_local_irq_restore(flags);
+		__arch_local_irq_restore(flags);
 	}
 }
 
@@ -1190,7 +1190,7 @@ void smtc_ipi_replay(void)
 		/*
 		 ** But use a raw restore here to avoid recursion.
 		 */
-		__raw_local_irq_restore(flags);
+		__arch_local_irq_restore(flags);
 
 		if (pipi) {
 			self_ipi(pipi);
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 03ec0019032b..d053bf4759e4 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -28,6 +28,7 @@
 #include <linux/kprobes.h>
 #include <linux/notifier.h>
 #include <linux/kdb.h>
+#include <linux/irq.h>
 
 #include <asm/bootinfo.h>
 #include <asm/branch.h>
@@ -51,7 +52,6 @@
 #include <asm/mmu_context.h>
 #include <asm/types.h>
 #include <asm/stacktrace.h>
-#include <asm/irq.h>
 #include <asm/uasm.h>
 
 extern void check_wait(void);
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index 69b039ca8d83..33d5a5ce4a29 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -109,8 +109,6 @@ static void emulate_load_store_insn(struct pt_regs *regs,
 	unsigned long value;
 	unsigned int res;
 
-	regs->regs[0] = 0;
-
 	/*
 	 * This load never faults.
 	 */
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 2bd2151c586a..3eb3cde2f661 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -1192,7 +1192,8 @@ static const struct file_operations vpe_fops = {
 	.owner = THIS_MODULE,
 	.open = vpe_open,
 	.release = vpe_release,
-	.write = vpe_write
+	.write = vpe_write,
+	.llseek = noop_llseek,
 };
 
 /* module wrapper entry points */
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 47842b7d26ae..ec3faa413f3b 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -3,7 +3,6 @@
  *
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
  * Copyright (C) 2000  MIPS Technologies, Inc.
diff --git a/arch/mips/math-emu/dp_add.c b/arch/mips/math-emu/dp_add.c
index bcf73bb5c33a..b422fcad852a 100644
--- a/arch/mips/math-emu/dp_add.c
+++ b/arch/mips/math-emu/dp_add.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_cmp.c b/arch/mips/math-emu/dp_cmp.c
index 8ab4f320a478..0f32486b0ed9 100644
--- a/arch/mips/math-emu/dp_cmp.c
+++ b/arch/mips/math-emu/dp_cmp.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_div.c b/arch/mips/math-emu/dp_div.c
index 6acedce3b32d..a1bce1b7c09c 100644
--- a/arch/mips/math-emu/dp_div.c
+++ b/arch/mips/math-emu/dp_div.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_fint.c b/arch/mips/math-emu/dp_fint.c
index 39a71de16f47..88571288c9e0 100644
--- a/arch/mips/math-emu/dp_fint.c
+++ b/arch/mips/math-emu/dp_fint.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_flong.c b/arch/mips/math-emu/dp_flong.c
index f08f223e488a..14fc01ec742d 100644
--- a/arch/mips/math-emu/dp_flong.c
+++ b/arch/mips/math-emu/dp_flong.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_frexp.c b/arch/mips/math-emu/dp_frexp.c
index e650cb10c947..cb15a5eaecbb 100644
--- a/arch/mips/math-emu/dp_frexp.c
+++ b/arch/mips/math-emu/dp_frexp.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_fsp.c b/arch/mips/math-emu/dp_fsp.c
index 494d19ac7049..1dfbd92ba9d0 100644
--- a/arch/mips/math-emu/dp_fsp.c
+++ b/arch/mips/math-emu/dp_fsp.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_logb.c b/arch/mips/math-emu/dp_logb.c
index 603388621ca5..151127e59f5c 100644
--- a/arch/mips/math-emu/dp_logb.c
+++ b/arch/mips/math-emu/dp_logb.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_modf.c b/arch/mips/math-emu/dp_modf.c
index a8570e5c3efc..b01f9cf6d402 100644
--- a/arch/mips/math-emu/dp_modf.c
+++ b/arch/mips/math-emu/dp_modf.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_mul.c b/arch/mips/math-emu/dp_mul.c
index 48908a809c17..aa566e785f5a 100644
--- a/arch/mips/math-emu/dp_mul.c
+++ b/arch/mips/math-emu/dp_mul.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_scalb.c b/arch/mips/math-emu/dp_scalb.c
index b84e6338330e..6f5df438dda8 100644
--- a/arch/mips/math-emu/dp_scalb.c
+++ b/arch/mips/math-emu/dp_scalb.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_simple.c b/arch/mips/math-emu/dp_simple.c
index b90974246e5b..79ce2673a714 100644
--- a/arch/mips/math-emu/dp_simple.c
+++ b/arch/mips/math-emu/dp_simple.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_sqrt.c b/arch/mips/math-emu/dp_sqrt.c
index 032328c49888..a2a51b87ae8f 100644
--- a/arch/mips/math-emu/dp_sqrt.c
+++ b/arch/mips/math-emu/dp_sqrt.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_sub.c b/arch/mips/math-emu/dp_sub.c
index a2127d685a0d..0de098cbc77b 100644
--- a/arch/mips/math-emu/dp_sub.c
+++ b/arch/mips/math-emu/dp_sub.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_tint.c b/arch/mips/math-emu/dp_tint.c
index 24478623c117..0ebe8598b94a 100644
--- a/arch/mips/math-emu/dp_tint.c
+++ b/arch/mips/math-emu/dp_tint.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/dp_tlong.c b/arch/mips/math-emu/dp_tlong.c
index 0f07ec2be3f9..133ce2ba0012 100644
--- a/arch/mips/math-emu/dp_tlong.c
+++ b/arch/mips/math-emu/dp_tlong.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/ieee754.c b/arch/mips/math-emu/ieee754.c
index cb1b6822711a..30554e1c67b4 100644
--- a/arch/mips/math-emu/ieee754.c
+++ b/arch/mips/math-emu/ieee754.c
@@ -9,7 +9,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/ieee754.h b/arch/mips/math-emu/ieee754.h
index dd917332792c..22796e012060 100644
--- a/arch/mips/math-emu/ieee754.h
+++ b/arch/mips/math-emu/ieee754.h
@@ -1,7 +1,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  *  This program is free software; you can distribute it and/or modify it
  *  under the terms of the GNU General Public License (Version 2) as
diff --git a/arch/mips/math-emu/ieee754d.c b/arch/mips/math-emu/ieee754d.c
index a0325337b76c..9599bdd32585 100644
--- a/arch/mips/math-emu/ieee754d.c
+++ b/arch/mips/math-emu/ieee754d.c
@@ -4,7 +4,6 @@
  * MIPS floating point support
  *
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  *  This program is free software; you can distribute it and/or modify it
  *  under the terms of the GNU General Public License (Version 2) as
diff --git a/arch/mips/math-emu/ieee754dp.c b/arch/mips/math-emu/ieee754dp.c
index 2f22fd7fd784..080b5ca03fc6 100644
--- a/arch/mips/math-emu/ieee754dp.c
+++ b/arch/mips/math-emu/ieee754dp.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/ieee754dp.h b/arch/mips/math-emu/ieee754dp.h
index 762786538449..f139c724c59a 100644
--- a/arch/mips/math-emu/ieee754dp.h
+++ b/arch/mips/math-emu/ieee754dp.h
@@ -5,7 +5,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/ieee754int.h b/arch/mips/math-emu/ieee754int.h
index 1a846c5425cd..2701d9500959 100644
--- a/arch/mips/math-emu/ieee754int.h
+++ b/arch/mips/math-emu/ieee754int.h
@@ -5,7 +5,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/ieee754m.c b/arch/mips/math-emu/ieee754m.c
index d66896cd8f21..24190f3c9dd6 100644
--- a/arch/mips/math-emu/ieee754m.c
+++ b/arch/mips/math-emu/ieee754m.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/ieee754sp.c b/arch/mips/math-emu/ieee754sp.c
index a19b72185ab9..271d00d6113a 100644
--- a/arch/mips/math-emu/ieee754sp.c
+++ b/arch/mips/math-emu/ieee754sp.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h
index d9e3586b5bce..754fd54649b5 100644
--- a/arch/mips/math-emu/ieee754sp.h
+++ b/arch/mips/math-emu/ieee754sp.h
@@ -5,7 +5,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/ieee754xcpt.c b/arch/mips/math-emu/ieee754xcpt.c
index e02423a0ae23..b99a693c05af 100644
--- a/arch/mips/math-emu/ieee754xcpt.c
+++ b/arch/mips/math-emu/ieee754xcpt.c
@@ -1,7 +1,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_add.c b/arch/mips/math-emu/sp_add.c
index d8c4211bcfbe..ae1a327ccac0 100644
--- a/arch/mips/math-emu/sp_add.c
+++ b/arch/mips/math-emu/sp_add.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_cmp.c b/arch/mips/math-emu/sp_cmp.c
index d3eff6b04b5a..716cf37e2465 100644
--- a/arch/mips/math-emu/sp_cmp.c
+++ b/arch/mips/math-emu/sp_cmp.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_div.c b/arch/mips/math-emu/sp_div.c
index 2b437fcfdad9..d7747928c954 100644
--- a/arch/mips/math-emu/sp_div.c
+++ b/arch/mips/math-emu/sp_div.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_fdp.c b/arch/mips/math-emu/sp_fdp.c
index 4093723d1aa5..e1515aae0166 100644
--- a/arch/mips/math-emu/sp_fdp.c
+++ b/arch/mips/math-emu/sp_fdp.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_fint.c b/arch/mips/math-emu/sp_fint.c
index e88e125e01c2..9694d6c016cb 100644
--- a/arch/mips/math-emu/sp_fint.c
+++ b/arch/mips/math-emu/sp_fint.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_flong.c b/arch/mips/math-emu/sp_flong.c
index 26d6919a269a..16a651f29865 100644
--- a/arch/mips/math-emu/sp_flong.c
+++ b/arch/mips/math-emu/sp_flong.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_frexp.c b/arch/mips/math-emu/sp_frexp.c
index 359c6483dbfa..5bc993c30044 100644
--- a/arch/mips/math-emu/sp_frexp.c
+++ b/arch/mips/math-emu/sp_frexp.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_logb.c b/arch/mips/math-emu/sp_logb.c
index 3c337219ca32..9c14e0c75bd2 100644
--- a/arch/mips/math-emu/sp_logb.c
+++ b/arch/mips/math-emu/sp_logb.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_modf.c b/arch/mips/math-emu/sp_modf.c
index 76568946b4c0..25a0fbaa0556 100644
--- a/arch/mips/math-emu/sp_modf.c
+++ b/arch/mips/math-emu/sp_modf.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_mul.c b/arch/mips/math-emu/sp_mul.c
index 3f070f82212f..c06bb4022be5 100644
--- a/arch/mips/math-emu/sp_mul.c
+++ b/arch/mips/math-emu/sp_mul.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_scalb.c b/arch/mips/math-emu/sp_scalb.c
index 44ceb87ea944..dd76196984c8 100644
--- a/arch/mips/math-emu/sp_scalb.c
+++ b/arch/mips/math-emu/sp_scalb.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_simple.c b/arch/mips/math-emu/sp_simple.c
index 2fd53c920e99..ae4fcfafd853 100644
--- a/arch/mips/math-emu/sp_simple.c
+++ b/arch/mips/math-emu/sp_simple.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_sqrt.c b/arch/mips/math-emu/sp_sqrt.c
index 8a934b9f7eb8..fed20175f5fb 100644
--- a/arch/mips/math-emu/sp_sqrt.c
+++ b/arch/mips/math-emu/sp_sqrt.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_sub.c b/arch/mips/math-emu/sp_sub.c
index dbb802c1a086..886ed5bcfefb 100644
--- a/arch/mips/math-emu/sp_sub.c
+++ b/arch/mips/math-emu/sp_sub.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_tint.c b/arch/mips/math-emu/sp_tint.c
index 352dc3a5f1af..0fe9acc7716e 100644
--- a/arch/mips/math-emu/sp_tint.c
+++ b/arch/mips/math-emu/sp_tint.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/math-emu/sp_tlong.c b/arch/mips/math-emu/sp_tlong.c
index 92cd9c511a10..d0ca6e22be29 100644
--- a/arch/mips/math-emu/sp_tlong.c
+++ b/arch/mips/math-emu/sp_tlong.c
@@ -4,7 +4,6 @@
 /*
  * MIPS floating point support
  * Copyright (C) 1994-2000 Algorithmics Ltd.
- * http://www.algor.co.uk
  *
  * ########################################################################
  *
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index 7ba890860d98..469d4019f795 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -44,27 +44,39 @@ static inline int cpu_is_noncoherent_r10000(struct device *dev)
 
 static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp)
 {
+	gfp_t dma_flag;
+
 	/* ignore region specifiers */
 	gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM);
 
-#ifdef CONFIG_ZONE_DMA
+#ifdef CONFIG_ISA
 	if (dev == NULL)
-		gfp |= __GFP_DMA;
-	else if (dev->coherent_dma_mask < DMA_BIT_MASK(24))
-		gfp |= __GFP_DMA;
+		dma_flag = __GFP_DMA;
 	else
 #endif
-#ifdef CONFIG_ZONE_DMA32
+#if defined(CONFIG_ZONE_DMA32) && defined(CONFIG_ZONE_DMA)
 	     if (dev->coherent_dma_mask < DMA_BIT_MASK(32))
-		gfp |= __GFP_DMA32;
+			dma_flag = __GFP_DMA;
+	else if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+			dma_flag = __GFP_DMA32;
+	else
+#endif
+#if defined(CONFIG_ZONE_DMA32) && !defined(CONFIG_ZONE_DMA)
+	     if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+		dma_flag = __GFP_DMA32;
+	else
+#endif
+#if defined(CONFIG_ZONE_DMA) && !defined(CONFIG_ZONE_DMA32)
+	     if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+		dma_flag = __GFP_DMA;
 	else
 #endif
-		;
+		dma_flag = 0;
 
 	/* Don't invoke OOM killer */
 	gfp |= __GFP_NORETRY;
 
-	return gfp;
+	return gfp | dma_flag;
 }
 
 void *dma_alloc_noncoherent(struct device *dev, size_t size,
diff --git a/arch/mips/mm/sc-rm7k.c b/arch/mips/mm/sc-rm7k.c
index 1ef75cd80a0d..274af3be1442 100644
--- a/arch/mips/mm/sc-rm7k.c
+++ b/arch/mips/mm/sc-rm7k.c
@@ -30,7 +30,7 @@
 #define tc_lsize	32
 
 extern unsigned long icache_way_size, dcache_way_size;
-unsigned long tcache_size;
+static unsigned long tcache_size;
 
 #include <asm/r4kcache.h>
 
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 15949b0be811..b79b24afe3a2 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -385,6 +385,8 @@ static int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap);
  */
 
 #define GIC_CPU_NMI GIC_MAP_TO_NMI_MSK
+#define X GIC_UNUSED
+
 static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = {
 	{ X, X,		   X,		X,		0 },
 	{ X, X,		   X,	 	X,		0 },
@@ -404,6 +406,7 @@ static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = {
 	{ X, X,		   X,		X,	        0 },
 	/* The remainder of this table is initialised by fill_ipi_map */
 };
+#undef X
 
 /*
  * GCMP needs to be detected before any SMP initialisation
diff --git a/arch/mips/mti-malta/malta-platform.c b/arch/mips/mti-malta/malta-platform.c
index 72e32a7715be..4c35301720e7 100644
--- a/arch/mips/mti-malta/malta-platform.c
+++ b/arch/mips/mti-malta/malta-platform.c
@@ -25,6 +25,7 @@
 #include <linux/serial_8250.h>
 #include <linux/mc146818rtc.h>
 #include <linux/module.h>
+#include <linux/irq.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/platform_device.h>
diff --git a/arch/mips/pci/fixup-fuloong2e.c b/arch/mips/pci/fixup-fuloong2e.c
index 4f6d8da07f93..d5d4c018fb04 100644
--- a/arch/mips/pci/fixup-fuloong2e.c
+++ b/arch/mips/pci/fixup-fuloong2e.c
@@ -52,7 +52,7 @@ static void __init loongson2e_nec_fixup(struct pci_dev *pdev)
 {
 	unsigned int val;
 
-	/* Configues port 1, 2, 3, 4 to be validate*/
+	/* Configures port 1, 2, 3, 4 to be validate*/
 	pci_read_config_dword(pdev, 0xe0, &val);
 	pci_write_config_dword(pdev, 0xe0, (val & ~7) | 0x4);
 
diff --git a/arch/mips/pci/ops-tx3927.c b/arch/mips/pci/ops-tx3927.c
index 31c150196595..6a3bdb5ffa80 100644
--- a/arch/mips/pci/ops-tx3927.c
+++ b/arch/mips/pci/ops-tx3927.c
@@ -38,6 +38,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 
 #include <asm/addrspace.h>
 #include <asm/txx9irq.h>
diff --git a/arch/mips/pci/ops-tx4927.c b/arch/mips/pci/ops-tx4927.c
index 5989e747527f..a1e7e6d80c8c 100644
--- a/arch/mips/pci/ops-tx4927.c
+++ b/arch/mips/pci/ops-tx4927.c
@@ -17,6 +17,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <asm/txx9/pci.h>
 #include <asm/txx9/tx4927pcic.h>
 
diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c
index 71f7d27b0d4c..f31218e17d3c 100644
--- a/arch/mips/pci/pci-rc32434.c
+++ b/arch/mips/pci/pci-rc32434.c
@@ -118,7 +118,7 @@ static int __init rc32434_pcibridge_init(void)
 	if (!((pcicvalue == PCIM_H_EA) ||
 	      (pcicvalue == PCIM_H_IA_FIX) ||
 	      (pcicvalue == PCIM_H_IA_RR))) {
-		pr_err(KERN_ERR "PCI init error!!!\n");
+		pr_err("PCI init error!!!\n");
 		/* Not in Host Mode, return ERROR */
 		return -1;
 	}
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
index 94c9c2c9fbc1..07e71ff2433f 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
@@ -14,6 +14,7 @@
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/bitops.h>
+#include <linux/irq.h>
 
 #include <asm/system.h>
 
diff --git a/arch/mips/pnx8550/common/reset.c b/arch/mips/pnx8550/common/reset.c
index fadd8744a6bc..e7a12ff304b9 100644
--- a/arch/mips/pnx8550/common/reset.c
+++ b/arch/mips/pnx8550/common/reset.c
@@ -22,29 +22,19 @@
  */
 #include <linux/kernel.h>
 
+#include <asm/processor.h>
 #include <asm/reboot.h>
 #include <glb.h>
 
 void pnx8550_machine_restart(char *command)
 {
-	char head[] = "************* Machine restart *************";
-	char foot[] = "*******************************************";
-
-	printk("\n\n");
-	printk("%s\n", head);
-	if (command != NULL)
-		printk("* %s\n", command);
-	printk("%s\n", foot);
-
 	PNX8550_RST_CTL = PNX8550_RST_DO_SW_RST;
 }
 
 void pnx8550_machine_halt(void)
 {
-	printk("*** Machine halt. (Not implemented) ***\n");
-}
-
-void pnx8550_machine_power_off(void)
-{
-	printk("*** Machine power off.  (Not implemented) ***\n");
+	while (1) {
+		if (cpu_wait)
+			cpu_wait();
+	}
 }
diff --git a/arch/mips/pnx8550/common/setup.c b/arch/mips/pnx8550/common/setup.c
index 64246c9c875c..43cb3945fdbf 100644
--- a/arch/mips/pnx8550/common/setup.c
+++ b/arch/mips/pnx8550/common/setup.c
@@ -44,7 +44,6 @@
 extern void __init board_setup(void);
 extern void pnx8550_machine_restart(char *);
 extern void pnx8550_machine_halt(void);
-extern void pnx8550_machine_power_off(void);
 extern struct resource ioport_resource;
 extern struct resource iomem_resource;
 extern char *prom_getcmdline(void);
@@ -100,7 +99,7 @@ void __init plat_mem_setup(void)
 
         _machine_restart = pnx8550_machine_restart;
         _machine_halt = pnx8550_machine_halt;
-        pm_power_off = pnx8550_machine_power_off;
+        pm_power_off = pnx8550_machine_halt;
 
 	/* Clear the Global 2 Register, PCI Inta Output Enable Registers
 	   Bit 1:Enable DAC Powerdown
diff --git a/arch/mips/powertv/asic/irq_asic.c b/arch/mips/powertv/asic/irq_asic.c
index b54d24499b06..e55382434155 100644
--- a/arch/mips/powertv/asic/irq_asic.c
+++ b/arch/mips/powertv/asic/irq_asic.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
+#include <linux/irq.h>
 
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
diff --git a/arch/mips/rb532/serial.c b/arch/mips/rb532/serial.c
index 00ed19f0bdb5..70482540b3db 100644
--- a/arch/mips/rb532/serial.c
+++ b/arch/mips/rb532/serial.c
@@ -29,6 +29,7 @@
 #include <linux/tty.h>
 #include <linux/serial_core.h>
 #include <linux/serial_8250.h>
+#include <linux/irq.h>
 
 #include <asm/serial.h>
 #include <asm/mach-rc32434/rb.h>
diff --git a/arch/mips/sibyte/common/sb_tbprof.c b/arch/mips/sibyte/common/sb_tbprof.c
index d4ed7a9156f5..87ccdb4b5ac9 100644
--- a/arch/mips/sibyte/common/sb_tbprof.c
+++ b/arch/mips/sibyte/common/sb_tbprof.c
@@ -43,7 +43,7 @@
 #include <asm/sibyte/sb1250_scd.h>
 #include <asm/sibyte/sb1250_int.h>
 #else
-#error invalid SiByte UART configuation
+#error invalid SiByte UART configuration
 #endif
 
 #if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80)
@@ -545,6 +545,7 @@ static const struct file_operations sbprof_tb_fops = {
 	.unlocked_ioctl	= sbprof_tb_ioctl,
 	.compat_ioctl	= sbprof_tb_ioctl,
 	.mmap		= NULL,
+	.llseek		= default_llseek,
 };
 
 static struct class *tb_class;
diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c
index e6980892834a..bbe7187879fa 100644
--- a/arch/mips/sni/a20r.c
+++ b/arch/mips/sni/a20r.c
@@ -10,6 +10,7 @@
 
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 
diff --git a/arch/mips/sni/pcimt.c b/arch/mips/sni/pcimt.c
index 51e62bbaa23b..8c92c73bc717 100644
--- a/arch/mips/sni/pcimt.c
+++ b/arch/mips/sni/pcimt.c
@@ -11,6 +11,7 @@
 
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/pci.h>
 #include <linux/serial_8250.h>
 
diff --git a/arch/mips/sni/pcit.c b/arch/mips/sni/pcit.c
index f4699d35858b..dc9874553bec 100644
--- a/arch/mips/sni/pcit.c
+++ b/arch/mips/sni/pcit.c
@@ -10,6 +10,7 @@
 
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/pci.h>
 #include <linux/serial_8250.h>
 
diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
index 90c558f7c0fa..0e6f42c2bbc8 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -13,6 +13,7 @@
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 #include <linux/io.h>
diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c
index f3b60e671207..c76151b56568 100644
--- a/arch/mips/sni/time.c
+++ b/arch/mips/sni/time.c
@@ -1,5 +1,6 @@
 #include <linux/types.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/smp.h>
 #include <linux/time.h>
 #include <linux/clockchips.h>
diff --git a/arch/mips/txx9/generic/irq_tx4927.c b/arch/mips/txx9/generic/irq_tx4927.c
index ad2870def8f1..e1828e8bcaef 100644
--- a/arch/mips/txx9/generic/irq_tx4927.c
+++ b/arch/mips/txx9/generic/irq_tx4927.c
@@ -25,6 +25,7 @@
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <asm/irq_cpu.h>
 #include <asm/txx9/tx4927.h>
 
diff --git a/arch/mips/txx9/generic/irq_tx4938.c b/arch/mips/txx9/generic/irq_tx4938.c
index 025ae11359a8..a6e6e805097a 100644
--- a/arch/mips/txx9/generic/irq_tx4938.c
+++ b/arch/mips/txx9/generic/irq_tx4938.c
@@ -13,6 +13,7 @@
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <asm/irq_cpu.h>
 #include <asm/txx9/tx4938.h>
 
diff --git a/arch/mips/txx9/generic/irq_tx4939.c b/arch/mips/txx9/generic/irq_tx4939.c
index 013213a8706b..3886ad77cbad 100644
--- a/arch/mips/txx9/generic/irq_tx4939.c
+++ b/arch/mips/txx9/generic/irq_tx4939.c
@@ -19,6 +19,7 @@
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/types.h>
 #include <asm/irq_cpu.h>
 #include <asm/txx9irq.h>
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 575d219b8001..812816c45662 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -24,6 +24,7 @@
 #include <linux/leds.h>
 #include <linux/sysdev.h>
 #include <linux/slab.h>
+#include <linux/irq.h>
 #include <asm/bootinfo.h>
 #include <asm/time.h>
 #include <asm/reboot.h>
diff --git a/arch/mips/txx9/jmr3927/irq.c b/arch/mips/txx9/jmr3927/irq.c
index 6ec626c9473f..0a7f8e3b9fd7 100644
--- a/arch/mips/txx9/jmr3927/irq.c
+++ b/arch/mips/txx9/jmr3927/irq.c
@@ -32,6 +32,7 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 
 #include <asm/io.h>
 #include <asm/mipsregs.h>
diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c
index 9c14ebb26cb4..c4b54d20efd3 100644
--- a/arch/mips/txx9/rbtx4927/irq.c
+++ b/arch/mips/txx9/rbtx4927/irq.c
@@ -111,6 +111,7 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <asm/io.h>
 #include <asm/mipsregs.h>
 #include <asm/txx9/generic.h>
diff --git a/arch/mips/txx9/rbtx4938/irq.c b/arch/mips/txx9/rbtx4938/irq.c
index 7d21befb8932..67a73a8065ec 100644
--- a/arch/mips/txx9/rbtx4938/irq.c
+++ b/arch/mips/txx9/rbtx4938/irq.c
@@ -64,6 +64,7 @@
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <asm/mipsregs.h>
 #include <asm/txx9/generic.h>
 #include <asm/txx9/rbtx4938.h>
diff --git a/arch/mips/txx9/rbtx4939/irq.c b/arch/mips/txx9/rbtx4939/irq.c
index 500cc0a908e6..57fa740a7205 100644
--- a/arch/mips/txx9/rbtx4939/irq.c
+++ b/arch/mips/txx9/rbtx4939/irq.c
@@ -11,6 +11,7 @@
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <asm/mipsregs.h>
 #include <asm/txx9/rbtx4939.h>
 
diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c
index bef06872f012..0975eb72d385 100644
--- a/arch/mips/vr41xx/common/irq.c
+++ b/arch/mips/vr41xx/common/irq.c
@@ -19,6 +19,7 @@
  */
 #include <linux/interrupt.h>
 #include <linux/module.h>
+#include <linux/irq.h>
 
 #include <asm/irq_cpu.h>
 #include <asm/system.h>
diff --git a/arch/mips/vr41xx/common/siu.c b/arch/mips/vr41xx/common/siu.c
index 54eae56108fb..bbd45d2559d6 100644
--- a/arch/mips/vr41xx/common/siu.c
+++ b/arch/mips/vr41xx/common/siu.c
@@ -22,6 +22,7 @@
 #include <linux/ioport.h>
 #include <linux/platform_device.h>
 #include <linux/serial_core.h>
+#include <linux/irq.h>
 
 #include <asm/cpu.h>
 #include <asm/vr41xx/siu.h>