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-rw-r--r--arch/arm64/include/asm/cache.h1
-rw-r--r--arch/arm64/kernel/cpuinfo.c23
2 files changed, 15 insertions, 9 deletions
diff --git a/arch/arm64/include/asm/cache.h b/arch/arm64/include/asm/cache.h
index 7c2181c72116..0cbe75b9e4e5 100644
--- a/arch/arm64/include/asm/cache.h
+++ b/arch/arm64/include/asm/cache.h
@@ -25,7 +25,6 @@
#define CTR_L1IP(ctr) (((ctr) >> CTR_L1IP_SHIFT) & CTR_L1IP_MASK)
#define ICACHE_POLICY_VPIPT 0
-#define ICACHE_POLICY_RESERVED 1
#define ICACHE_POLICY_VIPT 2
#define ICACHE_POLICY_PIPT 3
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 8eff0a34ffd4..deaaa9438fc2 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 ICACHE_POLICY_VPIPT:
+ return "VPIPT";
+ case ICACHE_POLICY_VIPT:
+ return "VIPT";
+ case ICACHE_POLICY_PIPT:
+ return "PIPT";
+ default:
+ return "RESERVED/UNKNOWN";
+ }
+}
unsigned long __icache_flags;
@@ -347,14 +354,14 @@ static void cpuinfo_detect_icache_policy(struct cpuinfo_arm64 *info)
case ICACHE_POLICY_VPIPT:
set_bit(ICACHEF_VPIPT, &__icache_flags);
break;
- case ICACHE_POLICY_RESERVED:
case ICACHE_POLICY_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)