MIPS: Loongson64: Probe CPU features via CPUCFG
authorJiaxun Yang <jiaxun.yang@flygoat.com>
Thu, 30 Apr 2020 03:18:35 +0000 (11:18 +0800)
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>
Thu, 30 Apr 2020 14:37:03 +0000 (16:37 +0200)
commitda1bd29742b185c00a1737ba955aa3e75659be2b
treee15f694f0c3642d48c426f690fdf51778be1c6e2
parente9dfbaaeef1c9fee3f3a898defc4562db20c2edf
MIPS: Loongson64: Probe CPU features via CPUCFG

CPUCFG is a Loongson self-defined instruction used to mark CPU
features for Loongson processors started from Loongson-3A4000.

Slightly adjust cpu_probe_loongson function as well. Remove features
that already probed via decode_configs in processor's PRID case
and add a comment about TLBINV.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
arch/mips/kernel/cpu-probe.c