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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-24 20:55:18 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-24 20:55:18 +0400
commitff0c4ad2c3a75ccfe6adca916e50804eb45bb2d9 (patch)
tree574f2d38793f7a08af73c40a96d6dc76af9c6f46 /arch/openrisc/include/asm/bitops.h
parentfcda12e7f6d58d61997681a9d41779e3fd2ffc94 (diff)
parent19f9d392365113f74286b1721c7c032c12cf5abd (diff)
downloadlinux-ff0c4ad2c3a75ccfe6adca916e50804eb45bb2d9.tar.xz
Merge branch 'for-upstream' of git://openrisc.net/jonas/linux
* 'for-upstream' of git://openrisc.net/jonas/linux: (24 commits) OpenRISC: Add MAINTAINERS entry OpenRISC: Miscellaneous OpenRISC: Library routines OpenRISC: Headers OpenRISC: Traps OpenRISC: Module support OpenRISC: GPIO OpenRISC: Scheduling/Process management OpenRISC: Idle/Power management OpenRISC: System calls OpenRISC: IRQ OpenRISC: Timekeeping OpenRISC: DMA OpenRISC: PTrace OpenRISC: Build infrastructure OpenRISC: Signal handling OpenRISC: Memory management OpenRISC: Device tree OpenRISC: Boot code iomap: make IOPORT/PCI mapping functions conditional ...
Diffstat (limited to 'arch/openrisc/include/asm/bitops.h')
-rw-r--r--arch/openrisc/include/asm/bitops.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/openrisc/include/asm/bitops.h b/arch/openrisc/include/asm/bitops.h
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+++ b/arch/openrisc/include/asm/bitops.h
@@ -0,0 +1,59 @@
+/*
+ * OpenRISC Linux
+ *
+ * Linux architectural port borrowing liberally from similar works of
+ * others. All original copyrights apply as per the original source
+ * declaration.
+ *
+ * OpenRISC implementation:
+ * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
+ * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
+ * et al.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __ASM_OPENRISC_BITOPS_H
+#define __ASM_OPENRISC_BITOPS_H
+
+/*
+ * Where we haven't written assembly versions yet, we fall back to the
+ * generic implementations. Otherwise, we pull in our (hopefully)
+ * optimized versions.
+ */
+
+#include <linux/irqflags.h>
+#include <linux/compiler.h>
+
+/*
+ * clear_bit may not imply a memory barrier
+ */
+#ifndef smp_mb__before_clear_bit
+#define smp_mb__before_clear_bit() smp_mb()
+#define smp_mb__after_clear_bit() smp_mb()
+#endif
+
+#include <asm/bitops/__ffs.h>
+#include <asm-generic/bitops/ffz.h>
+#include <asm/bitops/fls.h>
+#include <asm/bitops/__fls.h>
+#include <asm-generic/bitops/fls64.h>
+#include <asm-generic/bitops/find.h>
+
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
+#include <asm-generic/bitops/sched.h>
+#include <asm/bitops/ffs.h>
+#include <asm-generic/bitops/hweight.h>
+#include <asm-generic/bitops/lock.h>
+
+#include <asm-generic/bitops/atomic.h>
+#include <asm-generic/bitops/non-atomic.h>
+#include <asm-generic/bitops/ext2-atomic.h>
+
+#endif /* __ASM_GENERIC_BITOPS_H */