arm64: cpufeature: Add scope for capability check

[karo-tx-linux.git] / arch / arm64 / include / asm / cpufeature.h

diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index ca8fb4bcfb1a126011b97b1f13f0a1d624872c46..e501e4af2ebd3a1e31224b6888d3579be1fc8525 100644 (file)
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -78,10 +78,17 @@ struct arm64_ftr_reg {
        struct arm64_ftr_bits   *ftr_bits;
 };
 
+/* scope of capability check */
+enum {
+       SCOPE_SYSTEM,
+       SCOPE_LOCAL_CPU,
+};
+
 struct arm64_cpu_capabilities {
        const char *desc;
        u16 capability;
-       bool (*matches)(const struct arm64_cpu_capabilities *);
+       int def_scope;                  /* default scope */
+       bool (*matches)(const struct arm64_cpu_capabilities *caps, int scope);
        void (*enable)(void *);         /* Called on all active CPUs */
        union {
                struct {        /* To be used for erratum handling only */