threeeye
bc1d038eac
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)
26 lines
549 B
C
26 lines
549 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_SH_CMPXCHG_CAS_H
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#define __ASM_SH_CMPXCHG_CAS_H
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static inline unsigned long
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__cmpxchg_u32(volatile u32 *m, unsigned long old, unsigned long new)
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{
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__asm__ __volatile__("cas.l %1,%0,@r0"
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: "+r"(new)
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: "r"(old), "z"(m)
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: "t", "memory" );
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return new;
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}
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static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val)
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{
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unsigned long old;
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do old = *m;
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while (__cmpxchg_u32(m, old, val) != old);
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return old;
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}
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#include <asm/cmpxchg-xchg.h>
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#endif /* __ASM_SH_CMPXCHG_CAS_H */
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