From 68324a68fbbe4fd2f2a1dc0ac26059245d0700ab Mon Sep 17 00:00:00 2001
From: Jiaxun Yang <jiaxun.yang@flygoat.com>
Date: Wed, 30 Dec 2020 11:39:49 +0800
Subject: [PATCH] MIPS: Loongson64: Set cluster for cores

cluster is required for cacheinfo to set shared_cpu_map correctly.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Tested-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
 arch/mips/loongson64/smp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/loongson64/smp.c b/arch/mips/loongson64/smp.c
index b8c1fc3158fd..aa6613be270f 100644
--- a/arch/mips/loongson64/smp.c
+++ b/arch/mips/loongson64/smp.c
@@ -492,6 +492,8 @@ static void __init loongson3_smp_setup(void)
 			__cpu_number_map[i] = num;
 			__cpu_logical_map[num] = i;
 			set_cpu_possible(num, true);
+			/* Loongson processors are always grouped by 4 */
+			cpu_set_cluster(&cpu_data[num], i / 4);
 			num++;
 		}
 		i++;
-- 
2.11.0