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authorSuzuki K Poulose <suzuki.poulose@arm.com>2016-04-18 11:28:32 +0200
committerWill Deacon <will.deacon@arm.com>2016-04-20 13:22:41 +0200
commitf3efb67590e8f68918a7a63ab0d2debee04fba9e (patch)
tree3ba1b597b8444fde6c9452747f20b864ba27fa26 /arch/arm64/kernel/cpufeature.c
parentarm64: asm: remove unused push/pop macros (diff)
downloadlinux-f3efb67590e8f68918a7a63ab0d2debee04fba9e.tar.xz
linux-f3efb67590e8f68918a7a63ab0d2debee04fba9e.zip
arm64: hwcaps: Cleanup naming
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>
Diffstat (limited to '')
-rw-r--r--arch/arm64/kernel/cpufeature.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index f586343723fb..e3576d9b45c7 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -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();