diff options
Diffstat (limited to 'arch/arm64/kernel/cpuinfo.c')
| -rw-r--r-- | arch/arm64/kernel/cpuinfo.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 7f06df59df2b..3628b8a28e92 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -33,12 +33,19 @@ DEFINE_PER_CPU(struct cpuinfo_arm64, cpu_data); static struct cpuinfo_arm64 boot_cpu_data; -static const char *icache_policy_str[] = { - [ICACHE_POLICY_VPIPT] = "VPIPT", - [ICACHE_POLICY_RESERVED] = "RESERVED/UNKNOWN", - [ICACHE_POLICY_VIPT] = "VIPT", - [ICACHE_POLICY_PIPT] = "PIPT", -}; +static inline const char *icache_policy_str(int l1ip) +{ + switch (l1ip) { + case CTR_EL0_L1Ip_VPIPT: + return "VPIPT"; + case CTR_EL0_L1Ip_VIPT: + return "VIPT"; + case CTR_EL0_L1Ip_PIPT: + return "PIPT"; + default: + return "RESERVED/UNKNOWN"; + } +} unsigned long __icache_flags; @@ -355,19 +362,19 @@ static void cpuinfo_detect_icache_policy(struct cpuinfo_arm64 *info) u32 l1ip = CTR_L1IP(info->reg_ctr); switch (l1ip) { - case ICACHE_POLICY_PIPT: + case CTR_EL0_L1Ip_PIPT: break; - case ICACHE_POLICY_VPIPT: + case CTR_EL0_L1Ip_VPIPT: set_bit(ICACHEF_VPIPT, &__icache_flags); break; - case ICACHE_POLICY_RESERVED: - case ICACHE_POLICY_VIPT: + case CTR_EL0_L1Ip_VIPT: + default: /* Assume aliasing */ set_bit(ICACHEF_ALIASING, &__icache_flags); break; } - pr_info("Detected %s I-cache on CPU%d\n", icache_policy_str[l1ip], cpu); + pr_info("Detected %s I-cache on CPU%d\n", icache_policy_str(l1ip), cpu); } static void __cpuinfo_store_cpu_32bit(struct cpuinfo_32bit *info) |