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authorThomas Gleixner <tglx@linutronix.de>2015-12-19 11:49:13 +0100
committerThomas Gleixner <tglx@linutronix.de>2015-12-19 11:49:13 +0100
commit0fa85119cd480c1ded7a81ed64f723fe16a15355 (patch)
tree8648434601c5112a1d9ab091ab11507fe88e0962 /arch/arm64/kernel/fpsimd.c
parentd6ccc3ec95251d8d3276f2900b59cbc468dd74f4 (diff)
parent1eab0e42450c6038e2bb17da438370fe639973f3 (diff)
Merge branch 'linus' into x86/cleanups
Pull in upstream changes so we can apply depending patches.
Diffstat (limited to 'arch/arm64/kernel/fpsimd.c')
-rw-r--r--arch/arm64/kernel/fpsimd.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index c56956a16d3f..4c46c54a3ad7 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -332,21 +332,15 @@ static inline void fpsimd_hotplug_init(void) { }
*/
static int __init fpsimd_init(void)
{
- u64 pfr = read_cpuid(ID_AA64PFR0_EL1);
-
- if (pfr & (0xf << 16)) {
+ if (elf_hwcap & HWCAP_FP) {
+ fpsimd_pm_init();
+ fpsimd_hotplug_init();
+ } else {
pr_notice("Floating-point is not implemented\n");
- return 0;
}
- elf_hwcap |= HWCAP_FP;
- if (pfr & (0xf << 20))
+ if (!(elf_hwcap & HWCAP_ASIMD))
pr_notice("Advanced SIMD is not implemented\n");
- else
- elf_hwcap |= HWCAP_ASIMD;
-
- fpsimd_pm_init();
- fpsimd_hotplug_init();
return 0;
}