Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh

Pull SuperH fixes from Paul Mundt.

* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
  sh: Kill off additional asm-generic wrappers.
  sh: Setup CROSS_COMPILE at the top
  sh: Fix up link time defsym warnings.
  sh: use the new generic strnlen_user() function
  sh: switch to generic strncpy_from_user().
  sh: Kill off last dead UBC header
  serial: sh-sci: Make probe fail for ports that exceed the maximum count
  serial: sh-sci: Fix probe error paths
  clocksource: sh_tmu: Use clockevents_config_and_register().
  clocksource: sh_tmu: Convert timer lock to raw spinlock.
  clocksource: sh_mtu2: Convert timer lock to raw spinlock.
  clocksource: sh_cmt: Convert timer lock to raw spinlock.
  bug.h: need linux/kernel.h for TAINT_WARN.
  sh: convert to kbuild asm-generic support.
  sh64: Fix up fallout from generic init_task conversion.
  sh: arch/sh/kernel/process.c needs asm/fpu.h for unlazy_fpu().

50 files changed, 153 insertions, 386 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 99bcd0ee838d..31d9db7913e4 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -32,6 +32,8 @@ config SUPERH
 	select GENERIC_SMP_IDLE_THREAD
 	select GENERIC_CLOCKEVENTS
 	select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
+	select GENERIC_STRNCPY_FROM_USER
+	select GENERIC_STRNLEN_USER
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 46edf070da1c..aed701c7b11b 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -9,6 +9,12 @@
 # License.  See the file "COPYING" in the main directory of this archive
 # for more details.
 #
+ifneq ($(SUBARCH),$(ARCH))
+  ifeq ($(CROSS_COMPILE),)
+    CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux-  $(UTS_MACHINE)-linux-gnu-  $(UTS_MACHINE)-unknown-linux-gnu-)
+  endif
+endif
+
 isa-y					:= any
 isa-$(CONFIG_SH_DSP)			:= sh
 isa-$(CONFIG_CPU_SH2)			:= sh2
@@ -106,19 +112,13 @@ LDFLAGS_vmlinux		+= --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
 KBUILD_DEFCONFIG	:= cayman_defconfig
 endif
 
-ifneq ($(SUBARCH),$(ARCH))
-  ifeq ($(CROSS_COMPILE),)
-    CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux-  $(UTS_MACHINE)-linux-gnu-  $(UTS_MACHINE)-unknown-linux-gnu-)
-  endif
-endif
-
 ifdef CONFIG_CPU_LITTLE_ENDIAN
 ld-bfd			:= elf32-$(UTS_MACHINE)-linux
-LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd)
+LDFLAGS_vmlinux		+= --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
 LDFLAGS			+= -EL
 else
 ld-bfd			:= elf32-$(UTS_MACHINE)big-linux
-LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd)
+LDFLAGS_vmlinux		+= --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
 LDFLAGS			+= -EB
 endif
 
diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild
index 7beb42322f60..7b673ddcd555 100644
--- a/arch/sh/include/asm/Kbuild
+++ b/arch/sh/include/asm/Kbuild
@@ -1,5 +1,39 @@
 include include/asm-generic/Kbuild.asm
 
+generic-y += bitsperlong.h
+generic-y += cputime.h
+generic-y += current.h
+generic-y += delay.h
+generic-y += div64.h
+generic-y += emergency-restart.h
+generic-y += errno.h
+generic-y += fcntl.h
+generic-y += ioctl.h
+generic-y += ipcbuf.h
+generic-y += irq_regs.h
+generic-y += kvm_para.h
+generic-y += local.h
+generic-y += local64.h
+generic-y += param.h
+generic-y += parport.h
+generic-y += percpu.h
+generic-y += poll.h
+generic-y += mman.h
+generic-y += msgbuf.h
+generic-y += resource.h
+generic-y += scatterlist.h
+generic-y += sembuf.h
+generic-y += serial.h
+generic-y += shmbuf.h
+generic-y += siginfo.h
+generic-y += sizes.h
+generic-y += socket.h
+generic-y += statfs.h
+generic-y += termbits.h
+generic-y += termios.h
+generic-y += ucontext.h
+generic-y += xor.h
+
 header-y += cachectl.h
 header-y += cpu-features.h
 header-y += hw_breakpoint.h
diff --git a/arch/sh/include/asm/bitsperlong.h b/arch/sh/include/asm/bitsperlong.h
deleted file mode 100644
index 6dc0bb0c13b2..000000000000
--- a/arch/sh/include/asm/bitsperlong.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/bitsperlong.h>
diff --git a/arch/sh/include/asm/cputime.h b/arch/sh/include/asm/cputime.h
deleted file mode 100644
index 6ca395d1393e..000000000000
--- a/arch/sh/include/asm/cputime.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __SH_CPUTIME_H
-#define __SH_CPUTIME_H
-
-#include <asm-generic/cputime.h>
-
-#endif /* __SH_CPUTIME_H */
diff --git a/arch/sh/include/asm/current.h b/arch/sh/include/asm/current.h
deleted file mode 100644
index 4c51401b5537..000000000000
--- a/arch/sh/include/asm/current.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/current.h>
diff --git a/arch/sh/include/asm/delay.h b/arch/sh/include/asm/delay.h
deleted file mode 100644
index 9670e127b7b2..000000000000
--- a/arch/sh/include/asm/delay.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/delay.h>
diff --git a/arch/sh/include/asm/div64.h b/arch/sh/include/asm/div64.h
deleted file mode 100644
index 6cd978cefb28..000000000000
--- a/arch/sh/include/asm/div64.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/div64.h>
diff --git a/arch/sh/include/asm/emergency-restart.h b/arch/sh/include/asm/emergency-restart.h
deleted file mode 100644
index 108d8c48e42e..000000000000
--- a/arch/sh/include/asm/emergency-restart.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_EMERGENCY_RESTART_H
-#define _ASM_EMERGENCY_RESTART_H
-
-#include <asm-generic/emergency-restart.h>
-
-#endif /* _ASM_EMERGENCY_RESTART_H */
diff --git a/arch/sh/include/asm/errno.h b/arch/sh/include/asm/errno.h
deleted file mode 100644
index 51cf6f9cebb8..000000000000
--- a/arch/sh/include/asm/errno.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_SH_ERRNO_H
-#define __ASM_SH_ERRNO_H
-
-#include <asm-generic/errno.h>
-
-#endif /* __ASM_SH_ERRNO_H */
diff --git a/arch/sh/include/asm/fcntl.h b/arch/sh/include/asm/fcntl.h
deleted file mode 100644
index 46ab12db5739..000000000000
--- a/arch/sh/include/asm/fcntl.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/fcntl.h>
diff --git a/arch/sh/include/asm/ioctl.h b/arch/sh/include/asm/ioctl.h
deleted file mode 100644
index b279fe06dfe5..000000000000
--- a/arch/sh/include/asm/ioctl.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/ioctl.h>
diff --git a/arch/sh/include/asm/ipcbuf.h b/arch/sh/include/asm/ipcbuf.h
deleted file mode 100644
index 84c7e51cb6d0..000000000000
--- a/arch/sh/include/asm/ipcbuf.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/ipcbuf.h>
diff --git a/arch/sh/include/asm/irq_regs.h b/arch/sh/include/asm/irq_regs.h
deleted file mode 100644
index 3dd9c0b70270..000000000000
--- a/arch/sh/include/asm/irq_regs.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/irq_regs.h>
diff --git a/arch/sh/include/asm/kvm_para.h b/arch/sh/include/asm/kvm_para.h
deleted file mode 100644
index 14fab8f0b957..000000000000
--- a/arch/sh/include/asm/kvm_para.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/kvm_para.h>
diff --git a/arch/sh/include/asm/local.h b/arch/sh/include/asm/local.h
deleted file mode 100644
index 9ed9b9cb459a..000000000000
--- a/arch/sh/include/asm/local.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef __ASM_SH_LOCAL_H
-#define __ASM_SH_LOCAL_H
-
-#include <asm-generic/local.h>
-
-#endif /* __ASM_SH_LOCAL_H */
-
diff --git a/arch/sh/include/asm/local64.h b/arch/sh/include/asm/local64.h
deleted file mode 100644
index 36c93b5cc239..000000000000
--- a/arch/sh/include/asm/local64.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/local64.h>
diff --git a/arch/sh/include/asm/mman.h b/arch/sh/include/asm/mman.h
deleted file mode 100644
index 8eebf89f5ab1..000000000000
--- a/arch/sh/include/asm/mman.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/mman.h>
diff --git a/arch/sh/include/asm/msgbuf.h b/arch/sh/include/asm/msgbuf.h
deleted file mode 100644
index 809134c644a6..000000000000
--- a/arch/sh/include/asm/msgbuf.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/msgbuf.h>
diff --git a/arch/sh/include/asm/param.h b/arch/sh/include/asm/param.h
deleted file mode 100644
index 965d45427975..000000000000
--- a/arch/sh/include/asm/param.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/param.h>
diff --git a/arch/sh/include/asm/parport.h b/arch/sh/include/asm/parport.h
deleted file mode 100644
index cf252af64590..000000000000
--- a/arch/sh/include/asm/parport.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/parport.h>
diff --git a/arch/sh/include/asm/percpu.h b/arch/sh/include/asm/percpu.h
deleted file mode 100644
index 4db4b39a4399..000000000000
--- a/arch/sh/include/asm/percpu.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ARCH_SH_PERCPU
-#define __ARCH_SH_PERCPU
-
-#include <asm-generic/percpu.h>
-
-#endif /* __ARCH_SH_PERCPU */
diff --git a/arch/sh/include/asm/poll.h b/arch/sh/include/asm/poll.h
deleted file mode 100644
index c98509d3149e..000000000000
--- a/arch/sh/include/asm/poll.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/poll.h>
diff --git a/arch/sh/include/asm/resource.h b/arch/sh/include/asm/resource.h
deleted file mode 100644
index 9c2499a86ec0..000000000000
--- a/arch/sh/include/asm/resource.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_SH_RESOURCE_H
-#define __ASM_SH_RESOURCE_H
-
-#include <asm-generic/resource.h>
-
-#endif /* __ASM_SH_RESOURCE_H */
diff --git a/arch/sh/include/asm/scatterlist.h b/arch/sh/include/asm/scatterlist.h
deleted file mode 100644
index 98dfc3510f10..000000000000
--- a/arch/sh/include/asm/scatterlist.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_SH_SCATTERLIST_H
-#define __ASM_SH_SCATTERLIST_H
-
-#include <asm-generic/scatterlist.h>
-
-#endif /* __ASM_SH_SCATTERLIST_H */
diff --git a/arch/sh/include/asm/sembuf.h b/arch/sh/include/asm/sembuf.h
deleted file mode 100644
index 7673b83cfef7..000000000000
--- a/arch/sh/include/asm/sembuf.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/sembuf.h>
diff --git a/arch/sh/include/asm/serial.h b/arch/sh/include/asm/serial.h
deleted file mode 100644
index a0cb0caff152..000000000000
--- a/arch/sh/include/asm/serial.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/serial.h>
diff --git a/arch/sh/include/asm/shmbuf.h b/arch/sh/include/asm/shmbuf.h
deleted file mode 100644
index 83c05fc2de38..000000000000
--- a/arch/sh/include/asm/shmbuf.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/shmbuf.h>
diff --git a/arch/sh/include/asm/siginfo.h b/arch/sh/include/asm/siginfo.h
deleted file mode 100644
index 813040ed68a9..000000000000
--- a/arch/sh/include/asm/siginfo.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_SH_SIGINFO_H
-#define __ASM_SH_SIGINFO_H
-
-#include <asm-generic/siginfo.h>
-
-#endif /* __ASM_SH_SIGINFO_H */
diff --git a/arch/sh/include/asm/sizes.h b/arch/sh/include/asm/sizes.h
deleted file mode 100644
index dd248c2e1085..000000000000
--- a/arch/sh/include/asm/sizes.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/sizes.h>
diff --git a/arch/sh/include/asm/socket.h b/arch/sh/include/asm/socket.h
deleted file mode 100644
index 6b71384b9d8b..000000000000
--- a/arch/sh/include/asm/socket.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/socket.h>
diff --git a/arch/sh/include/asm/statfs.h b/arch/sh/include/asm/statfs.h
deleted file mode 100644
index 9202a023328f..000000000000
--- a/arch/sh/include/asm/statfs.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_SH_STATFS_H
-#define __ASM_SH_STATFS_H
-
-#include <asm-generic/statfs.h>
-
-#endif /* __ASM_SH_STATFS_H */
diff --git a/arch/sh/include/asm/termbits.h b/arch/sh/include/asm/termbits.h
deleted file mode 100644
index 3935b106de79..000000000000
--- a/arch/sh/include/asm/termbits.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/termbits.h>
diff --git a/arch/sh/include/asm/termios.h b/arch/sh/include/asm/termios.h
deleted file mode 100644
index 280d78a9d966..000000000000
--- a/arch/sh/include/asm/termios.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/termios.h>
diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h
index 050f221fa898..8698a80ed00c 100644
--- a/arch/sh/include/asm/uaccess.h
+++ b/arch/sh/include/asm/uaccess.h
@@ -25,6 +25,8 @@
 	(__chk_user_ptr(addr),		\
 	 __access_ok((unsigned long __force)(addr), (size)))
 
+#define user_addr_max()	(current_thread_info()->addr_limit.seg)
+
 /*
  * Uh, these should become the main single-value transfer routines ...
  * They automatically use the right size if we just have the right
@@ -100,6 +102,11 @@ struct __large_struct { unsigned long buf[100]; };
 # include "uaccess_64.h"
 #endif
 
+extern long strncpy_from_user(char *dest, const char __user *src, long count);
+
+extern __must_check long strlen_user(const char __user *str);
+extern __must_check long strnlen_user(const char __user *str, long n);
+
 /* Generic arbitrary sized copy.  */
 /* Return the number of bytes NOT copied */
 __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n);
@@ -137,37 +144,6 @@ __kernel_size_t __clear_user(void *addr, __kernel_size_t size);
 	__cl_size;							\
 })
 
-/**
- * strncpy_from_user: - Copy a NUL terminated string from userspace.
- * @dst:   Destination address, in kernel space.  This buffer must be at
- *         least @count bytes long.
- * @src:   Source address, in user space.
- * @count: Maximum number of bytes to copy, including the trailing NUL.
- *
- * Copies a NUL-terminated string from userspace to kernel space.
- *
- * On success, returns the length of the string (not including the trailing
- * NUL).
- *
- * If access to userspace fails, returns -EFAULT (some data may have been
- * copied).
- *
- * If @count is smaller than the length of the string, copies @count bytes
- * and returns @count.
- */
-#define strncpy_from_user(dest,src,count)				\
-({									\
-	unsigned long __sfu_src = (unsigned long)(src);			\
-	int __sfu_count = (int)(count);					\
-	long __sfu_res = -EFAULT;					\
-									\
-	if (__access_ok(__sfu_src, __sfu_count))			\
-		__sfu_res = __strncpy_from_user((unsigned long)(dest),	\
-				__sfu_src, __sfu_count);		\
-									\
-	__sfu_res;							\
-})
-
 static inline unsigned long
 copy_from_user(void *to, const void __user *from, unsigned long n)
 {
@@ -192,43 +168,6 @@ copy_to_user(void __user *to, const void *from, unsigned long n)
 	return __copy_size;
 }
 
-/**
- * strnlen_user: - Get the size of a string in user space.
- * @s: The string to measure.
- * @n: The maximum valid length
- *
- * Context: User context only.  This function may sleep.
- *
- * Get the size of a NUL-terminated string in user space.
- *
- * Returns the size of the string INCLUDING the terminating NUL.
- * On exception, returns 0.
- * If the string is too long, returns a value greater than @n.
- */
-static inline long strnlen_user(const char __user *s, long n)
-{
-	if (!__addr_ok(s))
-		return 0;
-	else
-		return __strnlen_user(s, n);
-}
-
-/**
- * strlen_user: - Get the size of a string in user space.
- * @str: The string to measure.
- *
- * Context: User context only.  This function may sleep.
- *
- * Get the size of a NUL-terminated string in user space.
- *
- * Returns the size of the string INCLUDING the terminating NUL.
- * On exception, returns 0.
- *
- * If there is a limit on the length of a valid string, you may wish to
- * consider using strnlen_user() instead.
- */
-#define strlen_user(str)	strnlen_user(str, ~0UL >> 1)
-
 /*
  * The exception table consists of pairs of addresses: the first is the
  * address of an instruction that is allowed to fault, and the second is
diff --git a/arch/sh/include/asm/uaccess_32.h b/arch/sh/include/asm/uaccess_32.h
index ae0d24f6653f..c0de7ee35ab7 100644
--- a/arch/sh/include/asm/uaccess_32.h
+++ b/arch/sh/include/asm/uaccess_32.h
@@ -170,79 +170,4 @@ __asm__ __volatile__( \
 
 extern void __put_user_unknown(void);
 
-static inline int
-__strncpy_from_user(unsigned long __dest, unsigned long __user __src, int __count)
-{
-	__kernel_size_t res;
-	unsigned long __dummy, _d, _s, _c;
-
-	__asm__ __volatile__(
-		"9:\n"
-		"mov.b	@%2+, %1\n\t"
-		"cmp/eq	#0, %1\n\t"
-		"bt/s	2f\n"
-		"1:\n"
-		"mov.b	%1, @%3\n\t"
-		"dt	%4\n\t"
-		"bf/s	9b\n\t"
-		" add	#1, %3\n\t"
-		"2:\n\t"
-		"sub	%4, %0\n"
-		"3:\n"
-		".section .fixup,\"ax\"\n"
-		"4:\n\t"
-		"mov.l	5f, %1\n\t"
-		"jmp	@%1\n\t"
-		" mov	%9, %0\n\t"
-		".balign 4\n"
-		"5:	.long 3b\n"
-		".previous\n"
-		".section __ex_table,\"a\"\n"
-		"	.balign 4\n"
-		"	.long 9b,4b\n"
-		".previous"
-		: "=r" (res), "=&z" (__dummy), "=r" (_s), "=r" (_d), "=r"(_c)
-		: "0" (__count), "2" (__src), "3" (__dest), "4" (__count),
-		  "i" (-EFAULT)
-		: "memory", "t");
-
-	return res;
-}
-
-/*
- * Return the size of a string (including the ending 0 even when we have
- * exceeded the maximum string length).
- */
-static inline long __strnlen_user(const char __user *__s, long __n)
-{
-	unsigned long res;
-	unsigned long __dummy;
-
-	__asm__ __volatile__(
-		"1:\t"
-		"mov.b	@(%0,%3), %1\n\t"
-		"cmp/eq	%4, %0\n\t"
-		"bt/s	2f\n\t"
-		" add	#1, %0\n\t"
-		"tst	%1, %1\n\t"
-		"bf	1b\n\t"
-		"2:\n"
-		".section .fixup,\"ax\"\n"
-		"3:\n\t"
-		"mov.l	4f, %1\n\t"
-		"jmp	@%1\n\t"
-		" mov	#0, %0\n"
-		".balign 4\n"
-		"4:	.long 2b\n"
-		".previous\n"
-		".section __ex_table,\"a\"\n"
-		"	.balign 4\n"
-		"	.long 1b,3b\n"
-		".previous"
-		: "=z" (res), "=&r" (__dummy)
-		: "0" (0), "r" (__s), "r" (__n)
-		: "t");
-	return res;
-}
-
 #endif /* __ASM_SH_UACCESS_32_H */
diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h
index 56fd20b8cdcc..2e07e0f40c6a 100644
--- a/arch/sh/include/asm/uaccess_64.h
+++ b/arch/sh/include/asm/uaccess_64.h
@@ -84,8 +84,4 @@ extern long __put_user_asm_l(void *, long);
 extern long __put_user_asm_q(void *, long);
 extern void __put_user_unknown(void);
 
-extern long __strnlen_user(const char *__s, long __n);
-extern int __strncpy_from_user(unsigned long __dest,
-	       unsigned long __user __src, int __count);
-
 #endif /* __ASM_SH_UACCESS_64_H */
diff --git a/arch/sh/include/asm/ucontext.h b/arch/sh/include/asm/ucontext.h
deleted file mode 100644
index 9bc07b9f30fb..000000000000
--- a/arch/sh/include/asm/ucontext.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/ucontext.h>
diff --git a/arch/sh/include/asm/word-at-a-time.h b/arch/sh/include/asm/word-at-a-time.h
new file mode 100644
index 000000000000..6e38953ff7fd
--- /dev/null
+++ b/arch/sh/include/asm/word-at-a-time.h
@@ -0,0 +1,53 @@
+#ifndef __ASM_SH_WORD_AT_A_TIME_H
+#define __ASM_SH_WORD_AT_A_TIME_H
+
+#ifdef CONFIG_CPU_BIG_ENDIAN
+# include <asm-generic/word-at-a-time.h>
+#else
+/*
+ * Little-endian version cribbed from x86.
+ */
+struct word_at_a_time {
+	const unsigned long one_bits, high_bits;
+};
+
+#define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) }
+
+/* Carl Chatfield / Jan Achrenius G+ version for 32-bit */
+static inline long count_masked_bytes(long mask)
+{
+	/* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */
+	long a = (0x0ff0001+mask) >> 23;
+	/* Fix the 1 for 00 case */
+	return a & mask;
+}
+
+/* Return nonzero if it has a zero */
+static inline unsigned long has_zero(unsigned long a, unsigned long *bits, const struct word_at_a_time *c)
+{
+	unsigned long mask = ((a - c->one_bits) & ~a) & c->high_bits;
+	*bits = mask;
+	return mask;
+}
+
+static inline unsigned long prep_zero_mask(unsigned long a, unsigned long bits, const struct word_at_a_time *c)
+{
+	return bits;
+}
+
+static inline unsigned long create_zero_mask(unsigned long bits)
+{
+	bits = (bits - 1) & ~bits;
+	return bits >> 7;
+}
+
+/* The mask we created is directly usable as a bytemask */
+#define zero_bytemask(mask) (mask)
+
+static inline unsigned long find_zero(unsigned long mask)
+{
+	return count_masked_bytes(mask);
+}
+#endif
+
+#endif
diff --git a/arch/sh/include/asm/xor.h b/arch/sh/include/asm/xor.h
deleted file mode 100644
index c82eb12a5b18..000000000000
--- a/arch/sh/include/asm/xor.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/xor.h>
diff --git a/arch/sh/include/cpu-sh2a/cpu/ubc.h b/arch/sh/include/cpu-sh2a/cpu/ubc.h
deleted file mode 100644
index 1192e1c761a7..000000000000
--- a/arch/sh/include/cpu-sh2a/cpu/ubc.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * SH-2A UBC definitions
- *
- * Copyright (C) 2008 Kieran Bingham
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#ifndef __ASM_CPU_SH2A_UBC_H
-#define __ASM_CPU_SH2A_UBC_H
-
-#define UBC_BARA                0xfffc0400
-#define UBC_BAMRA               0xfffc0404
-#define UBC_BBRA                0xfffc04a0	/* 16 bit access */
-#define UBC_BDRA                0xfffc0408
-#define UBC_BDMRA               0xfffc040c
-
-#define UBC_BARB                0xfffc0410
-#define UBC_BAMRB               0xfffc0414
-#define UBC_BBRB                0xfffc04b0	/* 16 bit access */
-#define UBC_BDRB                0xfffc0418
-#define UBC_BDMRB               0xfffc041c
-
-#define UBC_BRCR                0xfffc04c0
-
-#endif /* __ASM_CPU_SH2A_UBC_H */
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
index ff1f0e6e9bec..b7cf6a547f11 100644
--- a/arch/sh/kernel/cpu/sh5/entry.S
+++ b/arch/sh/kernel/cpu/sh5/entry.S
@@ -1569,86 +1569,6 @@ ___clear_user_exit:
 #endif /* CONFIG_MMU */
 
 /*
- * int __strncpy_from_user(unsigned long __dest, unsigned long __src,
- *			   int __count)
- *
- * Inputs:
- * (r2)  target address
- * (r3)  source address
- * (r4)  maximum size in bytes
- *
- * Ouputs:
- * (*r2) copied data
- * (r2)  -EFAULT (in case of faulting)
- *       copied data (otherwise)
- */
-	.global	__strncpy_from_user
-__strncpy_from_user:
-	pta	___strncpy_from_user1, tr0
-	pta	___strncpy_from_user_done, tr1
-	or	r4, ZERO, r5		/* r5 = original count */
-	beq/u	r4, r63, tr1		/* early exit if r4==0 */
-	movi	-(EFAULT), r6		/* r6 = reply, no real fixup */
-	or	ZERO, ZERO, r7		/* r7 = data, clear top byte of data */
-
-___strncpy_from_user1:
-	ld.b	r3, 0, r7		/* Fault address: only in reading */
-	st.b	r2, 0, r7
-	addi	r2, 1, r2
-	addi	r3, 1, r3
-	beq/u	ZERO, r7, tr1
-	addi	r4, -1, r4		/* return real number of copied bytes */
-	bne/l	ZERO, r4, tr0
-
-___strncpy_from_user_done:
-	sub	r5, r4, r6		/* If done, return copied */
-
-___strncpy_from_user_exit:
-	or	r6, ZERO, r2
-	ptabs	LINK, tr0
-	blink	tr0, ZERO
-
-/*
- * extern long __strnlen_user(const char *__s, long __n)
- *
- * Inputs:
- * (r2)  source address
- * (r3)  source size in bytes
- *
- * Ouputs:
- * (r2)  -EFAULT (in case of faulting)
- *       string length (otherwise)
- */
-	.global	__strnlen_user
-__strnlen_user:
-	pta	___strnlen_user_set_reply, tr0
-	pta	___strnlen_user1, tr1
-	or	ZERO, ZERO, r5		/* r5 = counter */
-	movi	-(EFAULT), r6		/* r6 = reply, no real fixup */
-	or	ZERO, ZERO, r7		/* r7 = data, clear top byte of data */
-	beq	r3, ZERO, tr0
-
-___strnlen_user1:
-	ldx.b	r2, r5, r7		/* Fault address: only in reading */
-	addi	r3, -1, r3		/* No real fixup */
-	addi	r5, 1, r5
-	beq	r3, ZERO, tr0
-	bne	r7, ZERO, tr1
-! The line below used to be active.  This meant led to a junk byte lying between each pair
-! of entries in the argv & envp structures in memory.  Whilst the program saw the right data
-! via the argv and envp arguments to main, it meant the 'flat' representation visible through
-! /proc/$pid/cmdline was corrupt, causing trouble with ps, for example.
-!	addi	r5, 1, r5		/* Include '\0' */
-
-___strnlen_user_set_reply:
-	or	r5, ZERO, r6		/* If done, return counter */
-
-___strnlen_user_exit:
-	or	r6, ZERO, r2
-	ptabs	LINK, tr0
-	blink	tr0, ZERO
-
-/*
  * extern long __get_user_asm_?(void *val, long addr)
  *
  * Inputs:
@@ -1982,8 +1902,6 @@ asm_uaccess_start:
 	.long	___copy_user2, ___copy_user_exit
 	.long	___clear_user1, ___clear_user_exit
 #endif
-	.long	___strncpy_from_user1, ___strncpy_from_user_exit
-	.long	___strnlen_user1, ___strnlen_user_exit
 	.long	___get_user_asm_b1, ___get_user_asm_b_exit
 	.long	___get_user_asm_w1, ___get_user_asm_w_exit
 	.long	___get_user_asm_l1, ___get_user_asm_l_exit
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 9b7a459a4613..055d91b70305 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -4,6 +4,7 @@
 #include <linux/sched.h>
 #include <linux/export.h>
 #include <linux/stackprotector.h>
+#include <asm/fpu.h>
 
 struct kmem_cache *task_xstate_cachep = NULL;
 unsigned int xstate_size;
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index 4264583eabac..602545b12a86 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -33,6 +33,7 @@
 #include <asm/switch_to.h>
 
 struct task_struct *last_task_used_math = NULL;
+struct pt_regs fake_swapper_regs = { 0, };
 
 void show_regs(struct pt_regs *regs)
 {
diff --git a/arch/sh/kernel/sh_ksyms_64.c b/arch/sh/kernel/sh_ksyms_64.c
index 45afa5c51f67..26a0774f5272 100644
--- a/arch/sh/kernel/sh_ksyms_64.c
+++ b/arch/sh/kernel/sh_ksyms_64.c
@@ -32,8 +32,6 @@ EXPORT_SYMBOL(__get_user_asm_b);
 EXPORT_SYMBOL(__get_user_asm_w);
 EXPORT_SYMBOL(__get_user_asm_l);
 EXPORT_SYMBOL(__get_user_asm_q);
-EXPORT_SYMBOL(__strnlen_user);
-EXPORT_SYMBOL(__strncpy_from_user);
 EXPORT_SYMBOL(__clear_user);
 EXPORT_SYMBOL(copy_page);
 EXPORT_SYMBOL(__copy_user);
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index 32fe9ef5cc5c..98b06baafcc6 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -48,13 +48,13 @@ struct sh_cmt_priv {
 	unsigned long next_match_value;
 	unsigned long max_match_value;
 	unsigned long rate;
-	spinlock_t lock;
+	raw_spinlock_t lock;
 	struct clock_event_device ced;
 	struct clocksource cs;
 	unsigned long total_cycles;
 };
 
-static DEFINE_SPINLOCK(sh_cmt_lock);
+static DEFINE_RAW_SPINLOCK(sh_cmt_lock);
 
 #define CMSTR -1 /* shared register */
 #define CMCSR 0 /* channel register */
@@ -139,7 +139,7 @@ static void sh_cmt_start_stop_ch(struct sh_cmt_priv *p, int start)
 	unsigned long flags, value;
 
 	/* start stop register shared by multiple timer channels */
-	spin_lock_irqsave(&sh_cmt_lock, flags);
+	raw_spin_lock_irqsave(&sh_cmt_lock, flags);
 	value = sh_cmt_read(p, CMSTR);
 
 	if (start)
@@ -148,7 +148,7 @@ static void sh_cmt_start_stop_ch(struct sh_cmt_priv *p, int start)
 		value &= ~(1 << cfg->timer_bit);
 
 	sh_cmt_write(p, CMSTR, value);
-	spin_unlock_irqrestore(&sh_cmt_lock, flags);
+	raw_spin_unlock_irqrestore(&sh_cmt_lock, flags);
 }
 
 static int sh_cmt_enable(struct sh_cmt_priv *p, unsigned long *rate)
@@ -328,9 +328,9 @@ static void sh_cmt_set_next(struct sh_cmt_priv *p, unsigned long delta)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&p->lock, flags);
+	raw_spin_lock_irqsave(&p->lock, flags);
 	__sh_cmt_set_next(p, delta);
-	spin_unlock_irqrestore(&p->lock, flags);
+	raw_spin_unlock_irqrestore(&p->lock, flags);
 }
 
 static irqreturn_t sh_cmt_interrupt(int irq, void *dev_id)
@@ -385,7 +385,7 @@ static int sh_cmt_start(struct sh_cmt_priv *p, unsigned long flag)
 	int ret = 0;
 	unsigned long flags;
 
-	spin_lock_irqsave(&p->lock, flags);
+	raw_spin_lock_irqsave(&p->lock, flags);
 
 	if (!(p->flags & (FLAG_CLOCKEVENT | FLAG_CLOCKSOURCE)))
 		ret = sh_cmt_enable(p, &p->rate);
@@ -398,7 +398,7 @@ static int sh_cmt_start(struct sh_cmt_priv *p, unsigned long flag)
 	if ((flag == FLAG_CLOCKSOURCE) && (!(p->flags & FLAG_CLOCKEVENT)))
 		__sh_cmt_set_next(p, p->max_match_value);
  out:
-	spin_unlock_irqrestore(&p->lock, flags);
+	raw_spin_unlock_irqrestore(&p->lock, flags);
 
 	return ret;
 }
@@ -408,7 +408,7 @@ static void sh_cmt_stop(struct sh_cmt_priv *p, unsigned long flag)
 	unsigned long flags;
 	unsigned long f;
 
-	spin_lock_irqsave(&p->lock, flags);
+	raw_spin_lock_irqsave(&p->lock, flags);
 
 	f = p->flags & (FLAG_CLOCKEVENT | FLAG_CLOCKSOURCE);
 	p->flags &= ~flag;
@@ -420,7 +420,7 @@ static void sh_cmt_stop(struct sh_cmt_priv *p, unsigned long flag)
 	if ((flag == FLAG_CLOCKEVENT) && (p->flags & FLAG_CLOCKSOURCE))
 		__sh_cmt_set_next(p, p->max_match_value);
 
-	spin_unlock_irqrestore(&p->lock, flags);
+	raw_spin_unlock_irqrestore(&p->lock, flags);
 }
 
 static struct sh_cmt_priv *cs_to_sh_cmt(struct clocksource *cs)
@@ -435,13 +435,13 @@ static cycle_t sh_cmt_clocksource_read(struct clocksource *cs)
 	unsigned long value;
 	int has_wrapped;
 
-	spin_lock_irqsave(&p->lock, flags);
+	raw_spin_lock_irqsave(&p->lock, flags);
 	value = p->total_cycles;
 	raw = sh_cmt_get_counter(p, &has_wrapped);
 
 	if (unlikely(has_wrapped))
 		raw += p->match_value + 1;
-	spin_unlock_irqrestore(&p->lock, flags);
+	raw_spin_unlock_irqrestore(&p->lock, flags);
 
 	return value + raw;
 }
@@ -591,7 +591,7 @@ static int sh_cmt_register(struct sh_cmt_priv *p, char *name,
 		p->max_match_value = (1 << p->width) - 1;
 
 	p->match_value = p->max_match_value;
-	spin_lock_init(&p->lock);
+	raw_spin_lock_init(&p->lock);
 
 	if (clockevent_rating)
 		sh_cmt_register_clockevent(p, name, clockevent_rating);
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index a2172f690418..d9b76ca64a61 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -43,7 +43,7 @@ struct sh_mtu2_priv {
 	struct clock_event_device ced;
 };
 
-static DEFINE_SPINLOCK(sh_mtu2_lock);
+static DEFINE_RAW_SPINLOCK(sh_mtu2_lock);
 
 #define TSTR -1 /* shared register */
 #define TCR  0 /* channel register */
@@ -107,7 +107,7 @@ static void sh_mtu2_start_stop_ch(struct sh_mtu2_priv *p, int start)
 	unsigned long flags, value;
 
 	/* start stop register shared by multiple timer channels */
-	spin_lock_irqsave(&sh_mtu2_lock, flags);
+	raw_spin_lock_irqsave(&sh_mtu2_lock, flags);
 	value = sh_mtu2_read(p, TSTR);
 
 	if (start)
@@ -116,7 +116,7 @@ static void sh_mtu2_start_stop_ch(struct sh_mtu2_priv *p, int start)
 		value &= ~(1 << cfg->timer_bit);
 
 	sh_mtu2_write(p, TSTR, value);
-	spin_unlock_irqrestore(&sh_mtu2_lock, flags);
+	raw_spin_unlock_irqrestore(&sh_mtu2_lock, flags);
 }
 
 static int sh_mtu2_enable(struct sh_mtu2_priv *p)
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index 97f54b634be4..c1b51d49d106 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -45,7 +45,7 @@ struct sh_tmu_priv {
 	struct clocksource cs;
 };
 
-static DEFINE_SPINLOCK(sh_tmu_lock);
+static DEFINE_RAW_SPINLOCK(sh_tmu_lock);
 
 #define TSTR -1 /* shared register */
 #define TCOR  0 /* channel register */
@@ -95,7 +95,7 @@ static void sh_tmu_start_stop_ch(struct sh_tmu_priv *p, int start)
 	unsigned long flags, value;
 
 	/* start stop register shared by multiple timer channels */
-	spin_lock_irqsave(&sh_tmu_lock, flags);
+	raw_spin_lock_irqsave(&sh_tmu_lock, flags);
 	value = sh_tmu_read(p, TSTR);
 
 	if (start)
@@ -104,7 +104,7 @@ static void sh_tmu_start_stop_ch(struct sh_tmu_priv *p, int start)
 		value &= ~(1 << cfg->timer_bit);
 
 	sh_tmu_write(p, TSTR, value);
-	spin_unlock_irqrestore(&sh_tmu_lock, flags);
+	raw_spin_unlock_irqrestore(&sh_tmu_lock, flags);
 }
 
 static int sh_tmu_enable(struct sh_tmu_priv *p)
@@ -245,12 +245,7 @@ static void sh_tmu_clock_event_start(struct sh_tmu_priv *p, int periodic)
 
 	sh_tmu_enable(p);
 
-	/* TODO: calculate good shift from rate and counter bit width */
-
-	ced->shift = 32;
-	ced->mult = div_sc(p->rate, NSEC_PER_SEC, ced->shift);
-	ced->max_delta_ns = clockevent_delta2ns(0xffffffff, ced);
-	ced->min_delta_ns = 5000;
+	clockevents_config(ced, p->rate);
 
 	if (periodic) {
 		p->periodic = (p->rate + HZ/2) / HZ;
@@ -323,7 +318,8 @@ static void sh_tmu_register_clockevent(struct sh_tmu_priv *p,
 	ced->set_mode = sh_tmu_clock_event_mode;
 
 	dev_info(&p->pdev->dev, "used for clock events\n");
-	clockevents_register_device(ced);
+
+	clockevents_config_and_register(ced, 1, 0x300, 0xffffffff);
 
 	ret = setup_irq(p->irqaction.irq, &p->irqaction);
 	if (ret) {
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 4604153b7954..1bd9163bc118 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -2179,6 +2179,16 @@ static int __devinit sci_init_single(struct platform_device *dev,
 	return 0;
 }
 
+static void sci_cleanup_single(struct sci_port *port)
+{
+	sci_free_gpios(port);
+
+	clk_put(port->iclk);
+	clk_put(port->fclk);
+
+	pm_runtime_disable(port->port.dev);
+}
+
 #ifdef CONFIG_SERIAL_SH_SCI_CONSOLE
 static void serial_console_putchar(struct uart_port *port, int ch)
 {
@@ -2360,14 +2370,10 @@ static int sci_remove(struct platform_device *dev)
 	cpufreq_unregister_notifier(&port->freq_transition,
 				    CPUFREQ_TRANSITION_NOTIFIER);
 
-	sci_free_gpios(port);
-
 	uart_remove_one_port(&sci_uart_driver, &port->port);
 
-	clk_put(port->iclk);
-	clk_put(port->fclk);
+	sci_cleanup_single(port);
 
-	pm_runtime_disable(&dev->dev);
 	return 0;
 }
 
@@ -2385,14 +2391,20 @@ static int __devinit sci_probe_single(struct platform_device *dev,
 			   index+1, SCI_NPORTS);
 		dev_notice(&dev->dev, "Consider bumping "
 			   "CONFIG_SERIAL_SH_SCI_NR_UARTS!\n");
-		return 0;
+		return -EINVAL;
 	}
 
 	ret = sci_init_single(dev, sciport, index, p);
 	if (ret)
 		return ret;
 
-	return uart_add_one_port(&sci_uart_driver, &sciport->port);
+	ret = uart_add_one_port(&sci_uart_driver, &sciport->port);
+	if (ret) {
+		sci_cleanup_single(sciport);
+		return ret;
+	}
+
+	return 0;
 }
 
 static int __devinit sci_probe(struct platform_device *dev)
@@ -2413,24 +2425,22 @@ static int __devinit sci_probe(struct platform_device *dev)
 
 	ret = sci_probe_single(dev, dev->id, p, sp);
 	if (ret)
-		goto err_unreg;
+		return ret;
 
 	sp->freq_transition.notifier_call = sci_notifier;
 
 	ret = cpufreq_register_notifier(&sp->freq_transition,
 					CPUFREQ_TRANSITION_NOTIFIER);
-	if (unlikely(ret < 0))
-		goto err_unreg;
+	if (unlikely(ret < 0)) {
+		sci_cleanup_single(sp);
+		return ret;
+	}
 
 #ifdef CONFIG_SH_STANDARD_BIOS
 	sh_bios_gdb_detach();
 #endif
 
 	return 0;
-
-err_unreg:
-	sci_remove(dev);
-	return ret;
 }
 
 static int sci_suspend(struct device *dev)
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 2520a6e241dc..9f02005f217a 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -2,6 +2,7 @@
 #define _ASM_GENERIC_BUG_H
 
 #include <linux/compiler.h>
+#include <linux/kernel.h>
 
 #ifdef CONFIG_BUG