1 files changed, 0 insertions, 143 deletions
diff --git a/include/asm-generic/system.h b/include/asm-generic/system.h
deleted file mode 100644
index 4b0b9cbbfae..00000000000
--- a/include/asm-generic/system.h
+++ /dev/null
@@ -1,143 +0,0 @@
-/* Generic system definitions, based on MN10300 definitions.
- *
- * It should be possible to use these on really simple architectures,
- * but it serves more as a starting point for new ports.
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#ifndef __ASM_GENERIC_SYSTEM_H
-#define __ASM_GENERIC_SYSTEM_H
-
-#ifdef __KERNEL__
-#ifndef __ASSEMBLY__
-
-#include <linux/types.h>
-#include <linux/irqflags.h>
-
-#include <asm/cmpxchg-local.h>
-#include <asm/cmpxchg.h>
-
-struct task_struct;
-
-/* context switching is now performed out-of-line in switch_to.S */
-extern struct task_struct *__switch_to(struct task_struct *,
-		struct task_struct *);
-#define switch_to(prev, next, last)					\
-	do {								\
-		((last) = __switch_to((prev), (next)));			\
-	} while (0)
-
-#define arch_align_stack(x) (x)
-
-#define nop() asm volatile ("nop")
-
-#endif /* !__ASSEMBLY__ */
-
-/*
- * Force strict CPU ordering.
- * And yes, this is required on UP too when we're talking
- * to devices.
- *
- * This implementation only contains a compiler barrier.
- */
-
-#define mb()	asm volatile ("": : :"memory")
-#define rmb()	mb()
-#define wmb()	asm volatile ("": : :"memory")
-
-#ifdef CONFIG_SMP
-#define smp_mb()	mb()
-#define smp_rmb()	rmb()
-#define smp_wmb()	wmb()
-#else
-#define smp_mb()	barrier()
-#define smp_rmb()	barrier()
-#define smp_wmb()	barrier()
-#endif
-
-#define set_mb(var, value)  do { var = value;  mb(); } while (0)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
-
-#define read_barrier_depends()		do {} while (0)
-#define smp_read_barrier_depends()	do {} while (0)
-
-/*
- * we make sure local_irq_enable() doesn't cause priority inversion
- */
-#ifndef __ASSEMBLY__
-
-/* This function doesn't exist, so you'll get a linker error
- *    if something tries to do an invalid xchg().  */
-extern void __xchg_called_with_bad_pointer(void);
-
-static inline
-unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
-{
-	unsigned long ret, flags;
-
-	switch (size) {
-	case 1:
-#ifdef __xchg_u8
-		return __xchg_u8(x, ptr);
-#else
-		local_irq_save(flags);
-		ret = *(volatile u8 *)ptr;
-		*(volatile u8 *)ptr = x;
-		local_irq_restore(flags);
-		return ret;
-#endif /* __xchg_u8 */
-
-	case 2:
-#ifdef __xchg_u16
-		return __xchg_u16(x, ptr);
-#else
-		local_irq_save(flags);
-		ret = *(volatile u16 *)ptr;
-		*(volatile u16 *)ptr = x;
-		local_irq_restore(flags);
-		return ret;
-#endif /* __xchg_u16 */
-
-	case 4:
-#ifdef __xchg_u32
-		return __xchg_u32(x, ptr);
-#else
-		local_irq_save(flags);
-		ret = *(volatile u32 *)ptr;
-		*(volatile u32 *)ptr = x;
-		local_irq_restore(flags);
-		return ret;
-#endif /* __xchg_u32 */
-
-#ifdef CONFIG_64BIT
-	case 8:
-#ifdef __xchg_u64
-		return __xchg_u64(x, ptr);
-#else
-		local_irq_save(flags);
-		ret = *(volatile u64 *)ptr;
-		*(volatile u64 *)ptr = x;
-		local_irq_restore(flags);
-		return ret;
-#endif /* __xchg_u64 */
-#endif /* CONFIG_64BIT */
-
-	default:
-		__xchg_called_with_bad_pointer();
-		return x;
-	}
-}
-
-#define xchg(ptr, x) \
-	((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* __KERNEL__ */
-#endif /* __ASM_GENERIC_SYSTEM_H */