Files
android/arch/blackfin/include/asm/atomic.h
T
threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
Squashed backup commit (no shallow-clone history issues) of
xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream
commit 9eece662e) plus all fixes applied to get everpal_defconfig building
clean against a modern (GCC 15.2.0) toolchain -- see the previous commit
message on the lineage-23.2 branch (also in this repo history is not
available here since this is a squashed snapshot; full incremental history
lives in the local DL380 checkout and the upstream GitHub remote).

Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
2026-09-12 13:36:46 +00:00

48 lines
1.5 KiB
C

/*
* Copyright 2004-2011 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ARCH_BLACKFIN_ATOMIC__
#define __ARCH_BLACKFIN_ATOMIC__
#include <asm/cmpxchg.h>
#ifdef CONFIG_SMP
#include <asm/barrier.h>
#include <linux/linkage.h>
#include <linux/types.h>
asmlinkage int __raw_uncached_fetch_asm(const volatile int *ptr);
asmlinkage int __raw_atomic_add_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_xadd_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_and_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_or_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_xor_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_test_asm(const volatile int *ptr, int value);
#define atomic_read(v) __raw_uncached_fetch_asm(&(v)->counter)
#define atomic_add_return(i, v) __raw_atomic_add_asm(&(v)->counter, i)
#define atomic_sub_return(i, v) __raw_atomic_add_asm(&(v)->counter, -(i))
#define atomic_fetch_add(i, v) __raw_atomic_xadd_asm(&(v)->counter, i)
#define atomic_fetch_sub(i, v) __raw_atomic_xadd_asm(&(v)->counter, -(i))
#define atomic_or(i, v) (void)__raw_atomic_or_asm(&(v)->counter, i)
#define atomic_and(i, v) (void)__raw_atomic_and_asm(&(v)->counter, i)
#define atomic_xor(i, v) (void)__raw_atomic_xor_asm(&(v)->counter, i)
#define atomic_fetch_or(i, v) __raw_atomic_or_asm(&(v)->counter, i)
#define atomic_fetch_and(i, v) __raw_atomic_and_asm(&(v)->counter, i)
#define atomic_fetch_xor(i, v) __raw_atomic_xor_asm(&(v)->counter, i)
#endif
#include <asm-generic/atomic.h>
#endif