diff --git a/arch/xtensa/include/asm/posix_types.h b/arch/xtensa/include/asm/posix_types.h
index 6b2190c35882..6e96be0d02d3 100644
--- a/arch/xtensa/include/asm/posix_types.h
+++ b/arch/xtensa/include/asm/posix_types.h
@@ -19,104 +19,21 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long	__kernel_ino_t;
-typedef unsigned int	__kernel_mode_t;
-typedef unsigned long	__kernel_nlink_t;
-typedef long		__kernel_off_t;
-typedef int		__kernel_pid_t;
 typedef unsigned short	__kernel_ipc_pid_t;
-typedef unsigned int	__kernel_uid_t;
-typedef unsigned int	__kernel_gid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned int	__kernel_size_t;
 typedef int		__kernel_ssize_t;
 typedef long		__kernel_ptrdiff_t;
-typedef long		__kernel_time_t;
-typedef long		__kernel_suseconds_t;
-typedef long		__kernel_clock_t;
-typedef int		__kernel_timer_t;
-typedef int		__kernel_clockid_t;
-typedef int		__kernel_daddr_t;
-typedef char *		__kernel_caddr_t;
-typedef unsigned short	__kernel_uid16_t;
-typedef unsigned short	__kernel_gid16_t;
-typedef unsigned int	__kernel_uid32_t;
-typedef unsigned int	__kernel_gid32_t;
+#define __kernel_size_t __kernel_size_t
 
 typedef unsigned short	__kernel_old_uid_t;
 typedef unsigned short	__kernel_old_gid_t;
+#define __kernel_old_uid_t __kernel_old_uid_t
+
 typedef unsigned short	__kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
-#ifdef __GNUC__
-typedef long long	__kernel_loff_t;
-#endif
+#include <asm-generic/posix_types.h>
 
-typedef struct {
-	int	val[2];
-} __kernel_fsid_t;
-
-#ifndef __GNUC__
-
-#define	__FD_SET(d, set)	((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
-#define	__FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
-#define	__FD_ISSET(d, set)	(!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d)))
-#define	__FD_ZERO(set)	\
-  ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
-
-#else /* __GNUC__ */
-
-#if defined(__KERNEL__)
-/* With GNU C, use inline functions instead so args are evaluated only once: */
-
-#undef __FD_SET
-static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-	unsigned long _tmp = fd / __NFDBITS;
-	unsigned long _rem = fd % __NFDBITS;
-	fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
-}
-
-#undef __FD_CLR
-static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-	unsigned long _tmp = fd / __NFDBITS;
-	unsigned long _rem = fd % __NFDBITS;
-	fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
-}
-
-#undef __FD_ISSET
-static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p)
-{
-	unsigned long _tmp = fd / __NFDBITS;
-	unsigned long _rem = fd % __NFDBITS;
-	return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant case (8 ints,
- * for a 256-bit fd_set)
- */
-#undef __FD_ZERO
-static __inline__ void __FD_ZERO(__kernel_fd_set *p)
-{
-	unsigned int *tmp = (unsigned int *)p->fds_bits;
-	int i;
-
-	if (__builtin_constant_p(__FDSET_LONGS)) {
-		switch (__FDSET_LONGS) {
-			case 8:
-				tmp[0] = 0; tmp[1] = 0; tmp[2] = 0; tmp[3] = 0;
-				tmp[4] = 0; tmp[5] = 0; tmp[6] = 0; tmp[7] = 0;
-				return;
-		}
-	}
-	i = __FDSET_LONGS;
-	while (i) {
-		i--;
-		*tmp = 0;
-		tmp++;
-	}
-}
-
-#endif /* defined(__KERNEL__) */
-#endif /* __GNUC__ */
 #endif /* _XTENSA_POSIX_TYPES_H */