From 90db024f140d0d6ad960cc5f090e3c8ed890ca55 Mon Sep 17 00:00:00 2001
From: Niklas Cassel <niklas.cassel@axis.com>
Date: Thu, 15 Jan 2015 16:41:13 +0100
Subject: [PATCH] MIPS: smp-cps: cpu_set FPU mask if FPU present

If we have an FPU, enroll ourselves in the FPU-full mask.
Matching the MT_SMP and CMP implementations of smp_setup.

Signed-off-by: Niklas Cassel <niklass@axis.com>
Cc: paul.burton@imgtec.com
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8948/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/kernel/smp-cps.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
index bed7590e475f..d5589bedd0a4 100644
--- a/arch/mips/kernel/smp-cps.c
+++ b/arch/mips/kernel/smp-cps.c
@@ -88,6 +88,12 @@ static void __init cps_smp_setup(void)
 
 	/* Make core 0 coherent with everything */
 	write_gcr_cl_coherence(0xff);
+
+#ifdef CONFIG_MIPS_MT_FPAFF
+	/* If we have an FPU, enroll ourselves in the FPU-full mask */
+	if (cpu_has_fpu)
+		cpu_set(0, mt_fpu_cpumask);
+#endif /* CONFIG_MIPS_MT_FPAFF */
 }
 
 static void __init cps_prepare_cpus(unsigned int max_cpus)
-- 
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