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author | Marc Zyngier <marc.zyngier@arm.com> | 2012-03-05 11:49:33 +0000 |
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committer | Catalin Marinas <catalin.marinas@arm.com> | 2012-09-17 13:42:18 +0100 |
commit | f27bb139c3876806a2c82e979d2dbbece44c66df (patch) | |
tree | b89925966ca77224f0605dc85521a2e55ab89c70 /arch/arm64/include/asm/bitops.h | |
parent | 030896885ade0a17c8638e1ede8d3ca7099f0302 (diff) | |
download | op-kernel-dev-f27bb139c3876806a2c82e979d2dbbece44c66df.zip op-kernel-dev-f27bb139c3876806a2c82e979d2dbbece44c66df.tar.gz |
arm64: Miscellaneous library functions
This patch adds udelay, memory and bit operations together with the
ksyms exports.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Diffstat (limited to 'arch/arm64/include/asm/bitops.h')
-rw-r--r-- | arch/arm64/include/asm/bitops.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/bitops.h b/arch/arm64/include/asm/bitops.h new file mode 100644 index 0000000..5e69307 --- /dev/null +++ b/arch/arm64/include/asm/bitops.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2012 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_BITOPS_H +#define __ASM_BITOPS_H + +#include <linux/compiler.h> + +#include <asm/barrier.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 + +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + +#include <asm-generic/bitops/builtin-__ffs.h> +#include <asm-generic/bitops/builtin-ffs.h> +#include <asm-generic/bitops/builtin-__fls.h> +#include <asm-generic/bitops/builtin-fls.h> + +#include <asm-generic/bitops/ffz.h> +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/find.h> + +#include <asm-generic/bitops/sched.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/le.h> +#include <asm-generic/bitops/ext2-atomic.h> + +#endif /* __ASM_BITOPS_H */ |