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Diffstat (limited to 'arch/arm/plat-iop/cp6.c')
-rw-r--r--arch/arm/plat-iop/cp6.c38
1 files changed, 0 insertions, 38 deletions
diff --git a/arch/arm/plat-iop/cp6.c b/arch/arm/plat-iop/cp6.c
deleted file mode 100644
index ec74b07fb7e3..000000000000
--- a/arch/arm/plat-iop/cp6.c
+++ /dev/null
@@ -1,38 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * IOP Coprocessor-6 access handler
- * Copyright (c) 2006, Intel Corporation.
- */
-#include <linux/init.h>
-#include <asm/traps.h>
-#include <asm/ptrace.h>
-
-static int cp6_trap(struct pt_regs *regs, unsigned int instr)
-{
- u32 temp;
-
- /* enable cp6 access */
- asm volatile (
- "mrc p15, 0, %0, c15, c1, 0\n\t"
- "orr %0, %0, #(1 << 6)\n\t"
- "mcr p15, 0, %0, c15, c1, 0\n\t"
- : "=r"(temp));
-
- return 0;
-}
-
-/* permit kernel space cp6 access
- * deny user space cp6 access
- */
-static struct undef_hook cp6_hook = {
- .instr_mask = 0x0f000ff0,
- .instr_val = 0x0e000610,
- .cpsr_mask = MODE_MASK,
- .cpsr_val = SVC_MODE,
- .fn = cp6_trap,
-};
-
-void __init iop_init_cp6_handler(void)
-{
- register_undef_hook(&cp6_hook);
-}