asm-*/compat.h: fix typo in comment

[powerpc.git] / include / asm-powerpc / compat.h

diff --git a/include/asm-powerpc/compat.h b/include/asm-powerpc/compat.h
index accb80c..d811a8c 100644 (file)
--- a/include/asm-powerpc/compat.h
+++ b/include/asm-powerpc/compat.h
@@ -33,8 +33,10 @@ typedef s32          compat_timer_t;
 
 typedef s32            compat_int_t;
 typedef s32            compat_long_t;
+typedef s64            compat_s64;
 typedef u32            compat_uint_t;
 typedef u32            compat_ulong_t;
+typedef u64            compat_u64;
 
 struct compat_timespec {
        compat_time_t   tv_sec;
@@ -117,7 +119,7 @@ typedef u32         compat_sigset_word;
  * A pointer passed in from user mode. This should not
  * be used for syscall parameters, just declare them
  * as pointers because the syscall entry code will have
- * appropriately comverted them already.
+ * appropriately converted them already.
  */
 typedef        u32             compat_uptr_t;
 
@@ -126,6 +128,11 @@ static inline void __user *compat_ptr(compat_uptr_t uptr)
        return (void __user *)(unsigned long)uptr;
 }
 
+static inline compat_uptr_t ptr_to_compat(void __user *uptr)
+{
+       return (u32)(unsigned long)uptr;
+}
+
 static inline void __user *compat_alloc_user_space(long len)
 {
        struct pt_regs *regs = current->thread.regs;