From e46bf83c1864a20f9dd17d597ec9be18ed05add8 Mon Sep 17 00:00:00 2001
From: Vincent Chen <vincentc@andestech.com>
Date: Thu, 22 Nov 2018 11:14:34 +0800
Subject: nds32: nds32 FPU port

This patch set contains basic components for supporting the nds32 FPU,
such as exception handlers and context switch for FPU registers. By
default, the lazy FPU scheme is supported and the user can configure it via
CONFIG_LZAY_FPU.

Signed-off-by: Vincent Chen <vincentc@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
---
 arch/nds32/kernel/sleep.S | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'arch/nds32/kernel/sleep.S')

diff --git a/arch/nds32/kernel/sleep.S b/arch/nds32/kernel/sleep.S
index 60c64bfbc901..ca4e61f3656f 100644
--- a/arch/nds32/kernel/sleep.S
+++ b/arch/nds32/kernel/sleep.S
@@ -36,7 +36,9 @@ suspend2ram:
 	mfsr    $r17, $ir14
 	mfsr    $r18, $ir15
 	pushm   $r0, $r19
-
+#if defined(CONFIG_FPU)
+	jal	store_fpu_for_suspend
+#endif
 	tlbop	FlushAll
 	isb
 
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