diff options
Diffstat (limited to 'include/asm-generic/atomic64.h')
| -rw-r--r-- | include/asm-generic/atomic64.h | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h index 97b28b7f1f29..370f01d4450f 100644 --- a/include/asm-generic/atomic64.h +++ b/include/asm-generic/atomic64.h @@ -1,37 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Generic implementation of 64-bit atomics using spinlocks, * useful on processors that don't have 64-bit atomic instructions. * * Copyright © 2009 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> - * - * 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_GENERIC_ATOMIC64_H #define _ASM_GENERIC_ATOMIC64_H #include <linux/types.h> typedef struct { - long long counter; + s64 counter; } atomic64_t; #define ATOMIC64_INIT(i) { (i) } -extern long long atomic64_read(const atomic64_t *v); -extern void atomic64_set(atomic64_t *v, long long i); +extern s64 atomic64_read(const atomic64_t *v); +extern void atomic64_set(atomic64_t *v, s64 i); #define atomic64_set_release(v, i) atomic64_set((v), (i)) #define ATOMIC64_OP(op) \ -extern void atomic64_##op(long long a, atomic64_t *v); +extern void atomic64_##op(s64 a, atomic64_t *v); #define ATOMIC64_OP_RETURN(op) \ -extern long long atomic64_##op##_return(long long a, atomic64_t *v); +extern s64 atomic64_##op##_return(s64 a, atomic64_t *v); #define ATOMIC64_FETCH_OP(op) \ -extern long long atomic64_fetch_##op(long long a, atomic64_t *v); +extern s64 atomic64_fetch_##op(s64 a, atomic64_t *v); #define ATOMIC64_OPS(op) ATOMIC64_OP(op) ATOMIC64_OP_RETURN(op) ATOMIC64_FETCH_OP(op) @@ -50,11 +46,11 @@ ATOMIC64_OPS(xor) #undef ATOMIC64_OP_RETURN #undef ATOMIC64_OP -extern long long atomic64_dec_if_positive(atomic64_t *v); +extern s64 atomic64_dec_if_positive(atomic64_t *v); #define atomic64_dec_if_positive atomic64_dec_if_positive -extern long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n); -extern long long atomic64_xchg(atomic64_t *v, long long new); -extern long long atomic64_fetch_add_unless(atomic64_t *v, long long a, long long u); +extern s64 atomic64_cmpxchg(atomic64_t *v, s64 o, s64 n); +extern s64 atomic64_xchg(atomic64_t *v, s64 new); +extern s64 atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u); #define atomic64_fetch_add_unless atomic64_fetch_add_unless #endif /* _ASM_GENERIC_ATOMIC64_H */ |