8 files changed, 84 insertions, 80 deletions

diff --git a/include/asm-frv/atomic.h b/include/asm-frv/atomic.h
index 9a4ff03c3969..066386ac238e 100644
--- a/include/asm-frv/atomic.h
+++ b/include/asm-frv/atomic.h
@@ -227,7 +227,7 @@ extern unsigned long atomic_test_and_XOR_mask(unsigned long mask, volatile unsig
                 break;                                                          \
                                                                                 \
         default:                                                                \
-                __xg_orig = 0;                                                  \
+                __xg_orig = (__typeof__(__xg_orig))0;                           \
                 asm volatile("break");                                          \
                 break;                                                          \
         }                                                                       \
@@ -247,7 +247,7 @@ extern uint32_t __xchg_32(uint32_t i, volatile void *v);
         switch (sizeof(__xg_orig)) {                                                            \
         case 4: __xg_orig = (__typeof__(*(ptr))) __xchg_32((uint32_t) x, __xg_ptr);     break;  \
         default:                                                                                \
-                __xg_orig = 0;                                                                  \
+                __xg_orig = (__typeof__(__xg_orig))0;                                                                   \
                 asm volatile("break");                                                          \
                 break;                                                                          \
         }                                                                                       \
diff --git a/include/asm-frv/checksum.h b/include/asm-frv/checksum.h
index 10236f6802db..42bf0db2287a 100644
--- a/include/asm-frv/checksum.h
+++ b/include/asm-frv/checksum.h
@@ -43,7 +43,7 @@ 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 *src, char *dst,
+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)   \
diff --git a/include/asm-frv/highmem.h b/include/asm-frv/highmem.h
index cfbf7d3a1feb..e2247c22a638 100644
--- a/include/asm-frv/highmem.h
+++ b/include/asm-frv/highmem.h
@@ -134,7 +134,7 @@ static inline void *kmap_atomic(struct page *page, enum km_type type)
 
         default:
                 BUG();
-                return 0;
+                return NULL;
         }
 }
 
diff --git a/include/asm-frv/io.h b/include/asm-frv/io.h
index b56eba59e3cd..7765f5528894 100644
--- a/include/asm-frv/io.h
+++ b/include/asm-frv/io.h
@@ -40,13 +40,13 @@ static inline unsigned long _swapl(unsigned long v)
 //#define __iormb() asm volatile("membar")
 //#define __iowmb() asm volatile("membar")
 
-#define __raw_readb(addr) __builtin_read8((void *) (addr))
-#define __raw_readw(addr) __builtin_read16((void *) (addr))
-#define __raw_readl(addr) __builtin_read32((void *) (addr))
+#define __raw_readb __builtin_read8
+#define __raw_readw __builtin_read16
+#define __raw_readl __builtin_read32
 
-#define __raw_writeb(datum, addr) __builtin_write8((void *) (addr), datum)
-#define __raw_writew(datum, addr) __builtin_write16((void *) (addr), datum)
-#define __raw_writel(datum, addr) __builtin_write32((void *) (addr), datum)
+#define __raw_writeb(datum, addr) __builtin_write8(addr, datum)
+#define __raw_writew(datum, addr) __builtin_write16(addr, datum)
+#define __raw_writel(datum, addr) __builtin_write32(addr, datum)
 
 static inline void io_outsb(unsigned int addr, const void *buf, int len)
 {
@@ -116,7 +116,7 @@ static inline void memset_io(volatile void __iomem *addr, unsigned char val, int
         memset((void __force *) addr, val, count);
 }
 
-static inline void memcpy_fromio(void *dst, volatile void __iomem *src, int count)
+static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
 {
         memcpy(dst, (void __force *) src, count);
 }
@@ -128,12 +128,12 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int
 
 static inline uint8_t inb(unsigned long addr)
 {
-        return __builtin_read8((void *)addr);
+        return __builtin_read8((void __iomem *)addr);
 }
 
 static inline uint16_t inw(unsigned long addr)
 {
-        uint16_t ret = __builtin_read16((void *)addr);
+        uint16_t ret = __builtin_read16((void __iomem *)addr);
 
         if (__is_PCI_IO(addr))
                 ret = _swapw(ret);
@@ -143,7 +143,7 @@ static inline uint16_t inw(unsigned long addr)
 
 static inline uint32_t inl(unsigned long addr)
 {
-        uint32_t ret = __builtin_read32((void *)addr);
+        uint32_t ret = __builtin_read32((void __iomem *)addr);
 
         if (__is_PCI_IO(addr))
                 ret = _swapl(ret);
@@ -153,21 +153,21 @@ static inline uint32_t inl(unsigned long addr)
 
 static inline void outb(uint8_t datum, unsigned long addr)
 {
-        __builtin_write8((void *)addr, datum);
+        __builtin_write8((void __iomem *)addr, datum);
 }
 
 static inline void outw(uint16_t datum, unsigned long addr)
 {
         if (__is_PCI_IO(addr))
                 datum = _swapw(datum);
-        __builtin_write16((void *)addr, datum);
+        __builtin_write16((void __iomem *)addr, datum);
 }
 
 static inline void outl(uint32_t datum, unsigned long addr)
 {
         if (__is_PCI_IO(addr))
                 datum = _swapl(datum);
-        __builtin_write32((void *)addr, datum);
+        __builtin_write32((void __iomem *)addr, datum);
 }
 
 #define inb_p(addr)     inb(addr)
@@ -189,12 +189,12 @@ static inline void outl(uint32_t datum, unsigned long addr)
 
 static inline uint8_t readb(const volatile void __iomem *addr)
 {
-        return __builtin_read8((volatile uint8_t __force *) addr);
+        return __builtin_read8((__force void volatile __iomem *) addr);
 }
 
 static inline uint16_t readw(const volatile void __iomem *addr)
 {
-        uint16_t ret =  __builtin_read16((volatile uint16_t __force *)addr);
+        uint16_t ret =  __builtin_read16((__force void volatile __iomem *)addr);
 
         if (__is_PCI_MEM(addr))
                 ret = _swapw(ret);
@@ -203,7 +203,7 @@ static inline uint16_t readw(const volatile void __iomem *addr)
 
 static inline uint32_t readl(const volatile void __iomem *addr)
 {
-        uint32_t ret =  __builtin_read32((volatile uint32_t __force *)addr);
+        uint32_t ret =  __builtin_read32((__force void volatile __iomem *)addr);
 
         if (__is_PCI_MEM(addr))
                 ret = _swapl(ret);
@@ -217,7 +217,7 @@ static inline uint32_t readl(const volatile void __iomem *addr)
 
 static inline void writeb(uint8_t datum, volatile void __iomem *addr)
 {
-        __builtin_write8((volatile uint8_t __force *) addr, datum);
+        __builtin_write8(addr, datum);
         if (__is_PCI_MEM(addr))
                 __flush_PCI_writes();
 }
@@ -227,7 +227,7 @@ static inline void writew(uint16_t datum, volatile void __iomem *addr)
         if (__is_PCI_MEM(addr))
                 datum = _swapw(datum);
 
-        __builtin_write16((volatile uint16_t __force *) addr, datum);
+        __builtin_write16(addr, datum);
         if (__is_PCI_MEM(addr))
                 __flush_PCI_writes();
 }
@@ -237,7 +237,7 @@ static inline void writel(uint32_t datum, volatile void __iomem *addr)
         if (__is_PCI_MEM(addr))
                 datum = _swapl(datum);
 
-        __builtin_write32((volatile uint32_t __force *) addr, datum);
+        __builtin_write32(addr, datum);
         if (__is_PCI_MEM(addr))
                 __flush_PCI_writes();
 }
@@ -271,7 +271,7 @@ static inline void __iomem *ioremap_fullcache(unsigned long physaddr, unsigned l
         return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
 }
 
-extern void iounmap(void __iomem *addr);
+extern void iounmap(void volatile __iomem *addr);
 
 static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
 {
diff --git a/include/asm-frv/mb-regs.h b/include/asm-frv/mb-regs.h
index 93fa732fb0cd..219e5f926f18 100644
--- a/include/asm-frv/mb-regs.h
+++ b/include/asm-frv/mb-regs.h
@@ -16,6 +16,17 @@
 #include <asm/sections.h>
 #include <asm/mem-layout.h>
 
+#ifndef __ASSEMBLY__
+/* gcc builtins, annotated */
+
+unsigned long __builtin_read8(volatile void __iomem *);
+unsigned long __builtin_read16(volatile void __iomem *);
+unsigned long __builtin_read32(volatile void __iomem *);
+void __builtin_write8(volatile void __iomem *, unsigned char);
+void __builtin_write16(volatile void __iomem *, unsigned short);
+void __builtin_write32(volatile void __iomem *, unsigned long);
+#endif
+
 #define __region_IO     KERNEL_IO_START /* the region from 0xe0000000 to 0xffffffff has suitable
                                          * protection laid over the top for use in memory-mapped
                                          * I/O
@@ -59,7 +70,7 @@
 #define __region_PCI_MEM        (__region_CS2 + 0x08000000UL)
 #define __flush_PCI_writes()                                            \
 do {                                                                    \
-        __builtin_write8((volatile void *) __region_PCI_MEM, 0);        \
+        __builtin_write8((volatile void __iomem *) __region_PCI_MEM, 0);        \
 } while(0)
 
 #define __is_PCI_IO(addr) \
@@ -83,15 +94,15 @@ extern int __nongprelbss mb93090_mb00_detected;
 #define __set_LEDS(X)                                                   \
 do {                                                                    \
         if (mb93090_mb00_detected)                                      \
-                __builtin_write32((void *) __addr_LEDS(), ~(X));        \
+                __builtin_write32((void __iomem *) __addr_LEDS(), ~(X));        \
 } while (0)
 #else
 #define __set_LEDS(X)
 #endif
 
 #define __addr_LCD()            (__region_CS2 + 0x01200008UL)
-#define __get_LCD(B)            __builtin_read32((volatile void *) (B))
-#define __set_LCD(B,X)          __builtin_write32((volatile void *) (B), (X))
+#define __get_LCD(B)            __builtin_read32((volatile void __iomem *) (B))
+#define __set_LCD(B,X)          __builtin_write32((volatile void __iomem *) (B), (X))
 
 #define LCD_D                   0x000000ff              /* LCD data bus */
 #define LCD_RW                  0x00000100              /* LCD R/W signal */
@@ -161,11 +172,11 @@ do {									\
 #define __get_CLKIN()           66000000UL
 
 #define __addr_LEDS()           (__region_CS2 + 0x00000023UL)
-#define __set_LEDS(X)           __builtin_write8((volatile void *) __addr_LEDS(), (X))
+#define __set_LEDS(X)           __builtin_write8((volatile void __iomem *) __addr_LEDS(), (X))
 
 #define __addr_FPGATR()         (__region_CS2 + 0x00000030UL)
-#define __set_FPGATR(X)         __builtin_write32((volatile void *) __addr_FPGATR(), (X))
-#define __get_FPGATR()          __builtin_read32((volatile void *) __addr_FPGATR())
+#define __set_FPGATR(X)         __builtin_write32((volatile void __iomem *) __addr_FPGATR(), (X))
+#define __get_FPGATR()          __builtin_read32((volatile void __iomem *) __addr_FPGATR())
 
 #define MB93093_FPGA_FPGATR_AUDIO_CLK   0x00000003
 
@@ -180,7 +191,7 @@ do {									\
 #define MB93093_FPGA_SWR_PUSHSWMASK     (0x1F<<26)
 #define MB93093_FPGA_SWR_PUSHSW4        (1<<29)
 
-#define __addr_FPGA_SWR         ((volatile void *)(__region_CS2 + 0x28UL))
+#define __addr_FPGA_SWR         ((volatile void __iomem *)(__region_CS2 + 0x28UL))
 #define __get_FPGA_PUSHSW1_5()  (__builtin_read32(__addr_FPGA_SWR) & MB93093_FPGA_SWR_PUSHSWMASK)
 
 
diff --git a/include/asm-frv/signal.h b/include/asm-frv/signal.h
index 67366894780f..dcc1b3592918 100644
--- a/include/asm-frv/signal.h
+++ b/include/asm-frv/signal.h
@@ -114,13 +114,13 @@ struct old_sigaction {
         __sighandler_t sa_handler;
         old_sigset_t sa_mask;
         unsigned long sa_flags;
-        void (*sa_restorer)(void);
+        __sigrestore_t sa_restorer;
 };
 
 struct sigaction {
         __sighandler_t sa_handler;
         unsigned long sa_flags;
-        void (*sa_restorer)(void);
+        __sigrestore_t sa_restorer;
         sigset_t sa_mask;               /* mask last for extensibility */
 };
 
@@ -146,7 +146,7 @@ struct sigaction {
 #endif /* __KERNEL__ */
 
 typedef struct sigaltstack {
-        void *ss_sp;
+        void __user *ss_sp;
         int ss_flags;
         size_t ss_size;
 } stack_t;
diff --git a/include/asm-frv/uaccess.h b/include/asm-frv/uaccess.h
index a1d140438863..3d90e1018ee2 100644
--- a/include/asm-frv/uaccess.h
+++ b/include/asm-frv/uaccess.h
@@ -22,7 +22,7 @@
 
 #define HAVE_ARCH_UNMAPPED_AREA /* we decide where to put mmaps */
 
-#define __ptr(x) ((unsigned long *)(x))
+#define __ptr(x) ((unsigned long __force *)(x))
 
 #define VERIFY_READ     0
 #define VERIFY_WRITE    1
@@ -64,7 +64,7 @@ static inline int ___range_ok(unsigned long addr, unsigned long size)
 
 #define __range_ok(addr,size) ___range_ok((unsigned long) (addr), (unsigned long) (size))
 
-#define access_ok(type,addr,size) (__range_ok((addr), (size)) == 0)
+#define access_ok(type,addr,size) (__range_ok((void __user *)(addr), (size)) == 0)
 #define __access_ok(addr,size) (__range_ok((addr), (size)) == 0)
 
 /*
@@ -97,6 +97,7 @@ extern unsigned long search_exception_table(unsigned long);
         int __pu_err = 0;                                               \
                                                                         \
         typeof(*(ptr)) __pu_val = (x);                                  \
+        __chk_user_ptr(ptr);                                            \
                                                                         \
         switch (sizeof (*(ptr))) {                                      \
         case 1:                                                         \
@@ -120,7 +121,7 @@ extern unsigned long search_exception_table(unsigned long);
 
 #define put_user(x, ptr)                        \
 ({                                              \
-        typeof(&*ptr) _p = (ptr);               \
+        typeof(*(ptr)) __user *_p = (ptr);      \
         int _e;                                 \
                                                 \
         _e = __range_ok(_p, sizeof(*_p));       \
@@ -175,33 +176,44 @@ do {						\
  */
 #define __get_user(x, ptr)                                              \
 ({                                                                      \
-        typeof(*(ptr)) __gu_val = 0;                                    \
         int __gu_err = 0;                                               \
+        __chk_user_ptr(ptr);                                            \
                                                                         \
         switch (sizeof(*(ptr))) {                                       \
-        case 1:                                                         \
-                __get_user_asm(__gu_err, *(u8*)&__gu_val, ptr, "ub", "=r"); \
+        case 1: {                                                       \
+                unsigned char __gu_val;                                 \
+                __get_user_asm(__gu_err, __gu_val, ptr, "ub", "=r");    \
+                (x) = *(__force __typeof__(*(ptr)) *) &__gu_val;        \
                 break;                                                  \
-        case 2:                                                         \
-                __get_user_asm(__gu_err, *(u16*)&__gu_val, ptr, "uh", "=r"); \
+        }                                                               \
+        case 2: {                                                       \
+                unsigned short __gu_val;                                \
+                __get_user_asm(__gu_err, __gu_val, ptr, "uh", "=r");    \
+                (x) = *(__force __typeof__(*(ptr)) *) &__gu_val;        \
                 break;                                                  \
-        case 4:                                                         \
-                __get_user_asm(__gu_err, *(u32*)&__gu_val, ptr, "", "=r"); \
+        }                                                               \
+        case 4: {                                                       \
+                unsigned int __gu_val;                                  \
+                __get_user_asm(__gu_err, __gu_val, ptr, "", "=r");      \
+                (x) = *(__force __typeof__(*(ptr)) *) &__gu_val;        \
                 break;                                                  \
-        case 8:                                                         \
-                __get_user_asm(__gu_err, *(u64*)&__gu_val, ptr, "d", "=e"); \
+        }                                                               \
+        case 8: {                                                       \
+                unsigned long long __gu_val;                            \
+                __get_user_asm(__gu_err, __gu_val, ptr, "d", "=e");     \
+                (x) = *(__force __typeof__(*(ptr)) *) &__gu_val;        \
                 break;                                                  \
+        }                                                               \
         default:                                                        \
                 __gu_err = __get_user_bad();                            \
                 break;                                                  \
         }                                                               \
-        (x) = __gu_val;                                                 \
         __gu_err;                                                       \
 })
 
 #define get_user(x, ptr)                        \
 ({                                              \
-        typeof(&*ptr) _p = (ptr);               \
+        const typeof(*(ptr)) __user *_p = (ptr);\
         int _e;                                 \
                                                 \
         _e = __range_ok(_p, sizeof(*_p));       \
@@ -248,19 +260,20 @@ do {							\
 /*
  *
  */
+#define ____force(x) (__force void *)(void __user *)(x)
 #ifdef CONFIG_MMU
 extern long __memset_user(void *dst, unsigned long count);
 extern long __memcpy_user(void *dst, const void *src, unsigned long count);
 
-#define clear_user(dst,count)                   __memset_user((dst), (count))
-#define __copy_from_user_inatomic(to, from, n)  __memcpy_user((to), (from), (n))
-#define __copy_to_user_inatomic(to, from, n)    __memcpy_user((to), (from), (n))
+#define clear_user(dst,count)                   __memset_user(____force(dst), (count))
+#define __copy_from_user_inatomic(to, from, n)  __memcpy_user((to), ____force(from), (n))
+#define __copy_to_user_inatomic(to, from, n)    __memcpy_user(____force(to), (from), (n))
 
 #else
 
-#define clear_user(dst,count)                   (memset((dst), 0, (count)), 0)
-#define __copy_from_user_inatomic(to, from, n)  (memcpy((to), (from), (n)), 0)
-#define __copy_to_user_inatomic(to, from, n)    (memcpy((to), (from), (n)), 0)
+#define clear_user(dst,count)                   (memset(____force(dst), 0, (count)), 0)
+#define __copy_from_user_inatomic(to, from, n)  (memcpy((to), ____force(from), (n)), 0)
+#define __copy_to_user_inatomic(to, from, n)    (memcpy(____force(to), (from), (n)), 0)
 
 #endif
 
@@ -278,7 +291,7 @@ __copy_from_user(void *to, const void __user *from, unsigned long n)
        return __copy_from_user_inatomic(to, from, n);
 }
 
-static inline long copy_from_user(void *to, const void *from, unsigned long n)
+static inline long copy_from_user(void *to, const void __user *from, unsigned long n)
 {
         unsigned long ret = n;
 
@@ -291,16 +304,13 @@ static inline long copy_from_user(void *to, const void *from, unsigned long n)
         return ret;
 }
 
-static inline long copy_to_user(void *to, const void *from, unsigned long n)
+static inline long copy_to_user(void __user *to, const void *from, unsigned long n)
 {
         return likely(__access_ok(to, n)) ? __copy_to_user(to, from, n) : n;
 }
 
-#define copy_to_user_ret(to,from,n,retval)      ({ if (copy_to_user(to,from,n)) return retval; })
-#define copy_from_user_ret(to,from,n,retval)    ({ if (copy_from_user(to,from,n)) return retval; })
-
-extern long strncpy_from_user(char *dst, const char *src, long count);
-extern long strnlen_user(const char *src, long count);
+extern long strncpy_from_user(char *dst, const char __user *src, long count);
+extern long strnlen_user(const char __user *src, long count);
 
 #define strlen_user(str) strnlen_user(str, 32767)
 
diff --git a/include/asm-frv/unistd.h b/include/asm-frv/unistd.h
index 7c2e712c3b73..b80dbd839475 100644
--- a/include/asm-frv/unistd.h
+++ b/include/asm-frv/unistd.h
@@ -306,7 +306,7 @@
 #define __NR_mknodat            297
 #define __NR_fchownat           298
 #define __NR_futimesat          299
-#define __NR_newfstatat         300
+#define __NR_fstatat64          300
 #define __NR_unlinkat           301
 #define __NR_renameat           302
 #define __NR_linkat             303
@@ -460,24 +460,7 @@ type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg
  * some others too.
  */
 #define __NR__exit __NR_exit
-static inline _syscall0(int,pause)
-static inline _syscall0(int,sync)
-static inline _syscall0(pid_t,setsid)
-static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
-static inline _syscall3(int,read,int,fd,char *,buf,off_t,count)
-static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count)
-static inline _syscall1(int,dup,int,fd)
 static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
-static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
-static inline _syscall1(int,close,int,fd)
-static inline _syscall1(int,_exit,int,exitcode)
-static inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
-static inline _syscall1(int,delete_module,const char *,name)
-
-static inline pid_t wait(int * wait_stat)
-{
-        return waitpid(-1,wait_stat,0);
-}
 
 #endif /* __KERNEL_SYSCALLS__ */