powerpc: Use sys_pause for 32-bit pause entry point

sys32_pause is a useless copy of the generic sys_pause.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Acked-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/include/asm/systbl.h

@@ -32,7 +32,7 @@ COMPAT_SYS_SPU(stime)
 COMPAT_SYS(ptrace)
 SYSCALL_SPU(alarm)
 OLDSYS(fstat)
-COMPAT_SYS(pause)
+SYSCALL(pause)
 COMPAT_SYS(utime)
 SYSCALL(ni_syscall)
 SYSCALL(ni_syscall)

arch/powerpc/kernel/sys_ppc32.c

@@ -107,14 +107,6 @@ asmlinkage long compat_sys_sysfs(u32 option, u32 arg1, u32 arg2)
 	return sys_sysfs((int)option, arg1, arg2);
 }
 
-asmlinkage long compat_sys_pause(void)
-{
-	current->state = TASK_INTERRUPTIBLE;
-	schedule();
-	
-	return -ERESTARTNOHAND;
-}
-
 static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i)
 {
 	long usec;