1 files changed, 0 insertions, 63 deletions
diff --git a/kernel/arch/mips/loongson/loongson-3/cop2-ex.c b/kernel/arch/mips/loongson/loongson-3/cop2-ex.c
deleted file mode 100644
index ea13764d0..000000000
--- a/kernel/arch/mips/loongson/loongson-3/cop2-ex.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2014 Lemote Corporation.
- *   written by Huacai Chen <chenhc@lemote.com>
- *
- * based on arch/mips/cavium-octeon/cpu.c
- * Copyright (C) 2009 Wind River Systems,
- *   written by Ralf Baechle <ralf@linux-mips.org>
- */
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/notifier.h>
-
-#include <asm/fpu.h>
-#include <asm/cop2.h>
-#include <asm/current.h>
-#include <asm/mipsregs.h>
-
-static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action,
-	void *data)
-{
-	int fpu_owned;
-	int fr = !test_thread_flag(TIF_32BIT_FPREGS);
-
-	switch (action) {
-	case CU2_EXCEPTION:
-		preempt_disable();
-		fpu_owned = __is_fpu_owner();
-		if (!fr)
-			set_c0_status(ST0_CU1 | ST0_CU2);
-		else
-			set_c0_status(ST0_CU1 | ST0_CU2 | ST0_FR);
-		enable_fpu_hazard();
-		KSTK_STATUS(current) |= (ST0_CU1 | ST0_CU2);
-		if (fr)
-			KSTK_STATUS(current) |= ST0_FR;
-		else
-			KSTK_STATUS(current) &= ~ST0_FR;
-		/* If FPU is owned, we needn't init or restore fp */
-		if (!fpu_owned) {
-			set_thread_flag(TIF_USEDFPU);
-			if (!used_math()) {
-				_init_fpu(current->thread.fpu.fcr31);
-				set_used_math();
-			} else
-				_restore_fp(current);
-		}
-		preempt_enable();
-
-		return NOTIFY_STOP;	/* Don't call default notifier */
-	}
-
-	return NOTIFY_OK;		/* Let default notifier send signals */
-}
-
-static int __init loongson_cu2_setup(void)
-{
-	return cu2_notifier(loongson_cu2_call, 0);
-}
-early_initcall(loongson_cu2_setup);