arm64: hwcaps: Cleanup naming
authorSuzuki K Poulose <suzuki.poulose@arm.com>
Mon, 18 Apr 2016 09:28:32 +0000 (10:28 +0100)
committerWill Deacon <will.deacon@arm.com>
Wed, 20 Apr 2016 11:22:41 +0000 (12:22 +0100)
We use hwcaps for referring to ELF hwcaps capability information.
However this can be confusing with 'cpu_hwcaps' which stands for the
CPU capability bit field. This patch cleans up the names to make it
a bit more readable.

Tested-by: Yury Norov <ynorov@caviumnetworks.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm64/kernel/cpufeature.c

index f586343723fb99da41df3621d837dbcdde51e279..e3576d9b45c753f3b6c792fbaf2b0f931232b9ce 100644 (file)
@@ -744,7 +744,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
                .hwcap = cap,                                   \
        }
 
-static const struct arm64_cpu_capabilities arm64_hwcaps[] = {
+static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
        HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_AES_SHIFT, FTR_UNSIGNED, 2, CAP_HWCAP, HWCAP_PMULL),
        HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_AES_SHIFT, FTR_UNSIGNED, 1, CAP_HWCAP, HWCAP_AES),
        HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_SHA1_SHIFT, FTR_UNSIGNED, 1, CAP_HWCAP, HWCAP_SHA1),
@@ -765,7 +765,7 @@ static const struct arm64_cpu_capabilities arm64_hwcaps[] = {
        {},
 };
 
-static void __init cap_set_hwcap(const struct arm64_cpu_capabilities *cap)
+static void __init cap_set_elf_hwcap(const struct arm64_cpu_capabilities *cap)
 {
        switch (cap->hwcap_type) {
        case CAP_HWCAP:
@@ -786,7 +786,7 @@ static void __init cap_set_hwcap(const struct arm64_cpu_capabilities *cap)
 }
 
 /* Check if we have a particular HWCAP enabled */
-static bool __maybe_unused cpus_have_hwcap(const struct arm64_cpu_capabilities *cap)
+static bool cpus_have_elf_hwcap(const struct arm64_cpu_capabilities *cap)
 {
        bool rc;
 
@@ -810,14 +810,14 @@ static bool __maybe_unused cpus_have_hwcap(const struct arm64_cpu_capabilities *
        return rc;
 }
 
-static void __init setup_cpu_hwcaps(void)
+static void __init setup_elf_hwcaps(void)
 {
        int i;
-       const struct arm64_cpu_capabilities *hwcaps = arm64_hwcaps;
+       const struct arm64_cpu_capabilities *hwcaps = arm64_elf_hwcaps;
 
        for (i = 0; hwcaps[i].matches; i++)
                if (hwcaps[i].matches(&hwcaps[i]))
-                       cap_set_hwcap(&hwcaps[i]);
+                       cap_set_elf_hwcap(&hwcaps[i]);
 }
 
 void update_cpu_capabilities(const struct arm64_cpu_capabilities *caps,
@@ -955,8 +955,8 @@ void verify_local_cpu_capabilities(void)
                        caps[i].enable(NULL);
        }
 
-       for (i = 0, caps = arm64_hwcaps; caps[i].matches; i++) {
-               if (!cpus_have_hwcap(&caps[i]))
+       for (i = 0, caps = arm64_elf_hwcaps; caps[i].matches; i++) {
+               if (!cpus_have_elf_hwcap(&caps[i]))
                        continue;
                if (!feature_matches(__raw_read_system_reg(caps[i].sys_reg), &caps[i])) {
                        pr_crit("CPU%d: missing HWCAP: %s\n",
@@ -979,7 +979,7 @@ void __init setup_cpu_features(void)
 
        /* Set the CPU feature capabilies */
        setup_feature_capabilities();
-       setup_cpu_hwcaps();
+       setup_elf_hwcaps();
 
        /* Advertise that we have computed the system capabilities */
        set_sys_caps_initialised();