diff options
Diffstat (limited to 'arch/tile/include/asm/spinlock_types.h')
-rw-r--r-- | arch/tile/include/asm/spinlock_types.h | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/arch/tile/include/asm/spinlock_types.h b/arch/tile/include/asm/spinlock_types.h deleted file mode 100644 index a71f59b..0000000 --- a/arch/tile/include/asm/spinlock_types.h +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright 2010 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -#ifndef _ASM_TILE_SPINLOCK_TYPES_H -#define _ASM_TILE_SPINLOCK_TYPES_H - -#ifndef __LINUX_SPINLOCK_TYPES_H -# error "please don't include this file directly" -#endif - -#ifdef __tilegx__ - -/* Low 15 bits are "next"; high 15 bits are "current". */ -typedef struct arch_spinlock { - unsigned int lock; -} arch_spinlock_t; - -#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } - -/* High bit is "writer owns"; low 31 bits are a count of readers. */ -typedef struct arch_rwlock { - unsigned int lock; -} arch_rwlock_t; - -#define __ARCH_RW_LOCK_UNLOCKED { 0 } - -#else - -typedef struct arch_spinlock { - /* Next ticket number to hand out. */ - int next_ticket; - /* The ticket number that currently owns this lock. */ - int current_ticket; -} arch_spinlock_t; - -#define __ARCH_SPIN_LOCK_UNLOCKED { 0, 0 } - -/* - * Byte 0 for tns (only the low bit is used), byte 1 for ticket-lock "next", - * byte 2 for ticket-lock "current", byte 3 for reader count. - */ -typedef struct arch_rwlock { - unsigned int lock; -} arch_rwlock_t; - -#define __ARCH_RW_LOCK_UNLOCKED { 0 } - -#endif -#endif /* _ASM_TILE_SPINLOCK_TYPES_H */ |