diff options
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/include/uapi/asm/cpu-features.h | 1 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh2/probe.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/arch/sh/include/uapi/asm/cpu-features.h b/arch/sh/include/uapi/asm/cpu-features.h index 694abe490edb..2f1bc851042a 100644 --- a/arch/sh/include/uapi/asm/cpu-features.h +++ b/arch/sh/include/uapi/asm/cpu-features.h @@ -22,5 +22,6 @@ #define CPU_HAS_L2_CACHE 0x0080 /* Secondary cache / URAM */ #define CPU_HAS_OP32 0x0100 /* 32-bit instruction support */ #define CPU_HAS_PTEAEX 0x0200 /* PTE ASID Extension support */ +#define CPU_HAS_CAS_L 0x0400 /* cas.l atomic compare-and-swap */ #endif /* __ASM_SH_CPU_FEATURES_H */ diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c index 152184007964..4205f6d42b69 100644 --- a/arch/sh/kernel/cpu/sh2/probe.c +++ b/arch/sh/kernel/cpu/sh2/probe.c @@ -57,6 +57,8 @@ void __ref cpu_probe(void) boot_cpu_data.dcache.entry_shift = 5; boot_cpu_data.dcache.linesz = 32; boot_cpu_data.dcache.flags = 0; + + boot_cpu_data.flags |= CPU_HAS_CAS_L; #else /* * SH-2 doesn't have separate caches |