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

11 files changed, 94 insertions, 147 deletions

diff --git a/include/asm-frv/bitops.h b/include/asm-frv/bitops.h
index 1f70d47148b..f8560edf59f 100644
--- a/include/asm-frv/bitops.h
+++ b/include/asm-frv/bitops.h
@@ -256,6 +256,50 @@ int __ffs(unsigned long x)
 	return 31 - bit;
 }
 
+/*
+ * special slimline version of fls() for calculating ilog2_u32()
+ * - note: no protection against n == 0
+ */
+#define ARCH_HAS_ILOG2_U32
+static inline __attribute__((const))
+int __ilog2_u32(u32 n)
+{
+	int bit;
+	asm("scan %1,gr0,%0" : "=r"(bit) : "r"(n));
+	return 31 - bit;
+}
+
+/*
+ * special slimline version of fls64() for calculating ilog2_u64()
+ * - note: no protection against n == 0
+ */
+#define ARCH_HAS_ILOG2_U64
+static inline __attribute__((const))
+int __ilog2_u64(u64 n)
+{
+	union {
+		u64 ll;
+		struct { u32 h, l; };
+	} _;
+	int bit, x, y;
+
+	_.ll = n;
+
+	asm("	subcc		%3,gr0,gr0,icc0		\n"
+	    "	ckeq		icc0,cc4		\n"
+	    "	cscan.p		%3,gr0,%0	,cc4,0	\n"
+	    "   setlos		#63,%1			\n"
+	    "	cscan.p		%4,gr0,%0	,cc4,1	\n"
+	    "   setlos		#31,%2			\n"
+	    "	csub.p		%1,%0,%0	,cc4,0	\n"
+	    "	csub		%2,%0,%0	,cc4,1	\n"
+	    : "=&r"(bit), "=r"(x), "=r"(y)
+	    : "0r"(_.h), "r"(_.l)
+	    : "icc0", "cc4"
+	    );
+	return bit;
+}
+
 #include <asm-generic/bitops/sched.h>
 #include <asm-generic/bitops/hweight.h>
 
diff --git a/include/asm-frv/cacheflush.h b/include/asm-frv/cacheflush.h
index eaa5826bc1c..02500405a6f 100644
--- a/include/asm-frv/cacheflush.h
+++ b/include/asm-frv/cacheflush.h
@@ -20,6 +20,7 @@
  */
 #define flush_cache_all()			do {} while(0)
 #define flush_cache_mm(mm)			do {} while(0)
+#define flush_cache_dup_mm(mm)			do {} while(0)
 #define flush_cache_range(mm, start, end)	do {} while(0)
 #define flush_cache_page(vma, vmaddr, pfn)	do {} while(0)
 #define flush_cache_vmap(start, end)		do {} while(0)
diff --git a/include/asm-frv/checksum.h b/include/asm-frv/checksum.h
index 42bf0db2287..9b168985018 100644
--- a/include/asm-frv/checksum.h
+++ b/include/asm-frv/checksum.h
@@ -26,7 +26,7 @@
  *
  * it's best to have buff aligned on a 32-bit boundary
  */
-unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum);
+__wsum csum_partial(const void *buff, int len, __wsum sum);
 
 /*
  * the same as csum_partial, but copies from src while it
@@ -35,7 +35,7 @@ unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum)
  * here even more important to align src and dst on a 32-bit (or even
  * better 64-bit) boundary
  */
-unsigned int csum_partial_copy(const char *src, char *dst, int len, int sum);
+__wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum);
 
 /*
  * the same as csum_partial_copy, but copies from user space.
@@ -43,11 +43,8 @@ unsigned int csum_partial_copy(const char *src, char *dst, int len, int sum);
  * here even more important to align src and dst on a 32-bit (or even
  * better 64-bit) boundary
  */
-extern unsigned int csum_partial_copy_from_user(const char __user *src, char *dst,
-						int len, int sum, int *csum_err);
-
-#define csum_partial_copy_nocheck(src, dst, len, sum)	\
-	csum_partial_copy((src), (dst), (len), (sum))
+extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
+						int len, __wsum sum, int *csum_err);
 
 /*
  *	This is a version of ip_compute_csum() optimized for IP headers,
@@ -55,7 +52,7 @@ extern unsigned int csum_partial_copy_from_user(const char __user *src, char *ds
  *
  */
 static inline
-unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl)
+__sum16 ip_fast_csum(const void *iph, unsigned int ihl)
 {
 	unsigned int tmp, inc, sum = 0;
 
@@ -81,13 +78,13 @@ unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl)
 	    : "icc0", "icc1"
 	    );
 
-	return ~sum;
+	return (__force __sum16)~sum;
 }
 
 /*
  *	Fold a partial checksum
  */
-static inline unsigned int csum_fold(unsigned int sum)
+static inline __sum16 csum_fold(__wsum sum)
 {
 	unsigned int tmp;
 
@@ -100,16 +97,16 @@ static inline unsigned int csum_fold(unsigned int sum)
 	    : "0"(sum)
 	    );
 
-	return ~sum;
+	return (__force __sum16)~sum;
 }
 
 /*
  * computes the checksum of the TCP/UDP pseudo-header
  * returns a 16-bit checksum, already complemented
  */
-static inline unsigned int
-csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len,
-		  unsigned short proto, unsigned int sum)
+static inline __wsum
+csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
+		  unsigned short proto, __wsum sum)
 {
 	asm("	addcc		%1,%0,%0,icc0	\n"
 	    "	addxcc		%2,%0,%0,icc0	\n"
@@ -122,9 +119,9 @@ csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len,
 	return sum;
 }
 
-static inline unsigned short int
-csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len,
-		  unsigned short proto, unsigned int sum)
+static inline __sum16
+csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len,
+		  unsigned short proto, __wsum sum)
 {
 	return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
 }
@@ -133,12 +130,12 @@ csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len,
  * this routine is used for miscellaneous IP-like checksums, mainly
  * in icmp.c
  */
-extern unsigned short ip_compute_csum(const unsigned char * buff, int len);
+extern __sum16 ip_compute_csum(const void *buff, int len);
 
 #define _HAVE_ARCH_IPV6_CSUM
-static inline unsigned short int
-csum_ipv6_magic(struct in6_addr *saddr, struct in6_addr *daddr,
-		__u32 len, unsigned short proto, unsigned int sum)
+static inline __sum16
+csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr,
+		__u32 len, unsigned short proto, __wsum sum)
 {
 	unsigned long tmp, tmp2;
 
@@ -177,7 +174,7 @@ csum_ipv6_magic(struct in6_addr *saddr, struct in6_addr *daddr,
 	    : "icc0"
 	    );
 
-	return ~sum;
+	return (__force __sum16)~sum;
 }
 
 #endif /* _ASM_CHECKSUM_H */
diff --git a/include/asm-frv/device.h b/include/asm-frv/device.h
new file mode 100644
index 00000000000..d8f9872b0e2
--- /dev/null
+++ b/include/asm-frv/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-frv/dma-mapping.h b/include/asm-frv/dma-mapping.h
index e9fc1d47797..bcb2df68496 100644
--- a/include/asm-frv/dma-mapping.h
+++ b/include/asm-frv/dma-mapping.h
@@ -172,10 +172,10 @@ int dma_get_cache_alignment(void)
 	return 1 << L1_CACHE_SHIFT;
 }
 
-#define dma_is_consistent(d)	(1)
+#define dma_is_consistent(d, h)	(1)
 
 static inline
-void dma_cache_sync(void *vaddr, size_t size,
+void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 		    enum dma_data_direction direction)
 {
 	flush_write_buffers();
diff --git a/include/asm-frv/highmem.h b/include/asm-frv/highmem.h
index 0f390f41f81..ff4d6cdeb15 100644
--- a/include/asm-frv/highmem.h
+++ b/include/asm-frv/highmem.h
@@ -115,7 +115,7 @@ static inline void *kmap_atomic(struct page *page, enum km_type type)
 {
 	unsigned long paddr;
 
-	inc_preempt_count();
+	pagefault_disable();
 	paddr = page_to_phys(page);
 
 	switch (type) {
@@ -170,8 +170,7 @@ static inline void kunmap_atomic(void *kvaddr, enum km_type type)
 	default:
 		BUG();
 	}
-	dec_preempt_count();
-	preempt_check_resched();
+	pagefault_enable();
 }
 
 #endif /* !__ASSEMBLY__ */
diff --git a/include/asm-frv/param.h b/include/asm-frv/param.h
index 168381ebb41..365653b1726 100644
--- a/include/asm-frv/param.h
+++ b/include/asm-frv/param.h
@@ -18,6 +18,5 @@
 #endif
 
 #define MAXHOSTNAMELEN		64	/* max length of hostname */
-#define COMMAND_LINE_SIZE	512
 
 #endif /* _ASM_PARAM_H */
diff --git a/include/asm-frv/setup.h b/include/asm-frv/setup.h
index 0d293b9a585..afd787ceede 100644
--- a/include/asm-frv/setup.h
+++ b/include/asm-frv/setup.h
@@ -12,6 +12,10 @@
 #ifndef _ASM_SETUP_H
 #define _ASM_SETUP_H
 
+#define COMMAND_LINE_SIZE       512
+
+#ifdef __KERNEL__
+
 #include <linux/init.h>
 
 #ifndef __ASSEMBLY__
@@ -22,4 +26,6 @@ extern unsigned long __initdata num_mappedpages;
 
 #endif /* !__ASSEMBLY__ */
 
+#endif  /*  __KERNEL__  */
+
 #endif /* _ASM_SETUP_H */
diff --git a/include/asm-frv/termbits.h b/include/asm-frv/termbits.h
index 74f20d6e292..2d6d389cff4 100644
--- a/include/asm-frv/termbits.h
+++ b/include/asm-frv/termbits.h
@@ -17,6 +17,17 @@ struct termios {
 	cc_t c_cc[NCCS];		/* control characters */
 };
 
+struct ktermios {
+	tcflag_t c_iflag;		/* input mode flags */
+	tcflag_t c_oflag;		/* output mode flags */
+	tcflag_t c_cflag;		/* control mode flags */
+	tcflag_t c_lflag;		/* local mode flags */
+	cc_t c_line;			/* line discipline */
+	cc_t c_cc[NCCS];		/* control characters */
+	speed_t c_ispeed;		/* input speed */
+	speed_t c_ospeed;		/* output speed */
+};
+
 /* c_cc characters */
 #define VINTR 0
 #define VQUIT 1
diff --git a/include/asm-frv/thread_info.h b/include/asm-frv/thread_info.h
index d66c48e6ef1..d881f518e6a 100644
--- a/include/asm-frv/thread_info.h
+++ b/include/asm-frv/thread_info.h
@@ -116,6 +116,7 @@ register struct thread_info *__current_thread_info asm("gr15");
 #define TIF_RESTORE_SIGMASK	6	/* restore signal mask in do_signal() */
 #define TIF_POLLING_NRFLAG	16	/* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE		17	/* OOM killer killed process */
+#define TIF_FREEZE		18	/* freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
 #define _TIF_NOTIFY_RESUME	(1 << TIF_NOTIFY_RESUME)
@@ -125,6 +126,7 @@ register struct thread_info *__current_thread_info asm("gr15");
 #define _TIF_IRET		(1 << TIF_IRET)
 #define _TIF_RESTORE_SIGMASK	(1 << TIF_RESTORE_SIGMASK)
 #define _TIF_POLLING_NRFLAG	(1 << TIF_POLLING_NRFLAG)
+#define _TIF_FREEZE		(1 << TIF_FREEZE)
 
 #define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */
 #define _TIF_ALLWORK_MASK	0x0000FFFF	/* work to do on any return to u-space */
diff --git a/include/asm-frv/unistd.h b/include/asm-frv/unistd.h
index 725e854928c..584c0417ae4 100644
--- a/include/asm-frv/unistd.h
+++ b/include/asm-frv/unistd.h
@@ -320,125 +320,6 @@
 #ifdef __KERNEL__
 
 #define NR_syscalls 310
-#include <linux/err.h>
-
-/*
- * process the return value of a syscall, consigning it to one of two possible fates
- * - user-visible error numbers are in the range -1 - -4095: see <asm-frv/errno.h>
- */
-#undef __syscall_return
-#define __syscall_return(type, res)					\
-do {									\
-        unsigned long __sr2 = (res);					\
-	if (__builtin_expect(__sr2 >= (unsigned long)(-MAX_ERRNO), 0)) { \
-		errno = (-__sr2);					\
-		__sr2 = ~0UL;						\
-	}								\
-	return (type) __sr2;						\
-} while (0)
-
-/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
-
-#undef _syscall0
-#define _syscall0(type,name)						\
-type name(void)								\
-{									\
-	register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);	\
-	register unsigned long __sc0 __asm__ ("gr8");			\
-	__asm__ __volatile__ ("tira gr0,#0"				\
-			      : "=r" (__sc0)				\
-			      : "r" (__scnum));				\
-	__syscall_return(type, __sc0);					\
-}
-
-#undef _syscall1
-#define _syscall1(type,name,type1,arg1)						\
-type name(type1 arg1)								\
-{										\
-	register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);		\
-	register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;	\
-	__asm__ __volatile__ ("tira gr0,#0"					\
-			      : "+r" (__sc0)					\
-			      : "r" (__scnum));					\
-	__syscall_return(type, __sc0);						\
-}
-
-#undef _syscall2
-#define _syscall2(type,name,type1,arg1,type2,arg2)				\
-type name(type1 arg1,type2 arg2)						\
-{										\
-	register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);		\
-	register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;	\
-	register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2;	\
-	__asm__ __volatile__ ("tira gr0,#0"					\
-			      : "+r" (__sc0)					\
-			      : "r" (__scnum), "r" (__sc1));			\
-	__syscall_return(type, __sc0);						\
-}
-
-#undef _syscall3
-#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)			\
-type name(type1 arg1,type2 arg2,type3 arg3)					\
-{										\
-	register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);		\
-	register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;	\
-	register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2;	\
-	register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3;	\
-	__asm__ __volatile__ ("tira gr0,#0"					\
-			      : "+r" (__sc0)					\
-			      : "r" (__scnum), "r" (__sc1), "r" (__sc2));	\
-	__syscall_return(type, __sc0);						\
-}
-
-#undef _syscall4
-#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)		\
-type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4)				\
-{											\
-	register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);			\
-	register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;		\
-	register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2;		\
-	register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3;		\
-	register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4;		\
-	__asm__ __volatile__ ("tira gr0,#0"						\
-			      : "+r" (__sc0)						\
-			      : "r" (__scnum), "r" (__sc1), "r" (__sc2), "r" (__sc3));	\
-	__syscall_return(type, __sc0);							\
-}
-
-#undef _syscall5
-#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5)	\
-type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5)			\
-{											\
-	register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);			\
-	register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;		\
-	register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2;		\
-	register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3;		\
-	register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4;		\
-	register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5;		\
-	__asm__ __volatile__ ("tira gr0,#0"						\
-			      : "+r" (__sc0)						\
-			      : "r" (__scnum), "r" (__sc1), "r" (__sc2),		\
-			      "r" (__sc3), "r" (__sc4));				\
-	__syscall_return(type, __sc0);							\
-}
-
-#undef _syscall6
-#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5, type6, arg6) \
-type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6)		 \
-{												 \
-	register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);				 \
-	register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;			 \
-	register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2;			 \
-	register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3;			 \
-	register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4;			 \
-	register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5;			 \
-	register unsigned long __sc5 __asm__ ("gr13") = (unsigned long) arg6;			 \
-	__asm__ __volatile__ ("tira gr0,#0"							 \
-			      : "+r" (__sc0)							 \
-			      : "r" (__scnum), "r" (__sc1), "r" (__sc2),			 \
-			      "r" (__sc3), "r" (__sc4), "r" (__sc5));				 \
-	__syscall_return(type, __sc0);								 \
-}
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 /* #define __ARCH_WANT_OLD_READDIR */