releases/5.4.160/mips-loongson64-make-cpu_loongson64-depends-on-mips_.patch

From 07dc69cb66d1cd5c84b7c40219671827f890b493 Mon Sep 17 00:00:00 2001
From: Sasha Levin <sashal@kernel.org>
Date: Mon, 13 Sep 2021 14:19:08 +0800
Subject: MIPS: loongson64: make CPU_LOONGSON64 depends on MIPS_FP_SUPPORT
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From: Jackie Liu <liuyun01@kylinos.cn>

[ Upstream commit 7f3b3c2bfa9c93ab9b5595543496f570983dc330 ]

mach/loongson64 fails to build when the FPU support is disabled:

arch/mips/loongson64/cop2-ex.c:45:15: error: implicit declaration of function ‘__is_fpu_owner’; did you mean ‘is_fpu_owner’? [-Werror=implicit-function-declaration]
arch/mips/loongson64/cop2-ex.c:98:30: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:99:30: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:131:43: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:137:38: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:203:30: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:219:30: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:283:38: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:301:38: error: ‘struct thread_struct’ has no member named ‘fpu’

Fixes: ef2f826c8f2f ("MIPS: Loongson-3: Enable the COP2 usage")
Suggested-by: Huacai Chen <chenhuacai@kernel.org>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Reported-by: k2ci robot <kernel-bot@kylinos.cn>
Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/mips/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 2bfef67d52c63..041d34975ea2c 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1393,6 +1393,7 @@ config CPU_LOONGSON3
 	select WEAK_REORDERING_BEYOND_LLSC
 	select MIPS_PGD_C0_CONTEXT
 	select MIPS_L1_CACHE_SHIFT_6
+	select MIPS_FP_SUPPORT
 	select GPIOLIB
 	select SWIOTLB
 	help
-- 
2.33.0