Blackfin arch: move fixed code defines into fixed_code.h as very few things...

Blackfin arch: move fixed code defines into fixed_code.h as very few things actually need to know these details
Signed-off-by: NMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: NBryan Wu <cooloney@kernel.org>

include/asm-blackfin/Kbuild

 include include/asm-generic/Kbuild.asm
 
-header-y += fixed_code.h
+unifdef-y += fixed_code.h

include/asm-blackfin/bfin-global.h

@@ -70,19 +70,6 @@ extern void evt14_softirq(void);
 extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
 extern int bfin_internal_set_wake(unsigned int irq, unsigned int state);
 
-extern asmlinkage void finish_atomic_sections (struct pt_regs *regs);
-extern char fixed_code_start;
-extern char fixed_code_end;
-extern int atomic_xchg32(void);
-extern int atomic_cas32(void);
-extern int atomic_add32(void);
-extern int atomic_sub32(void);
-extern int atomic_ior32(void);
-extern int atomic_and32(void);
-extern int atomic_xor32(void);
-extern void safe_user_instruction(void);
-extern void sigreturn_stub(void);
-
 extern void *l1_data_A_sram_alloc(size_t);
 extern void *l1_data_B_sram_alloc(size_t);
 extern void *l1_inst_sram_alloc(size_t);

include/asm-blackfin/fixed_code.h

 /* This file defines the fixed addresses where userspace programs can find
    atomic code sequences.  */
 
+#ifndef __BFIN_ASM_FIXED_CODE_H__
+#define __BFIN_ASM_FIXED_CODE_H__
+
+#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
+#include <linux/linkage.h>
+#include <linux/ptrace.h>
+extern asmlinkage void finish_atomic_sections(struct pt_regs *regs);
+extern char fixed_code_start;
+extern char fixed_code_end;
+extern int atomic_xchg32(void);
+extern int atomic_cas32(void);
+extern int atomic_add32(void);
+extern int atomic_sub32(void);
+extern int atomic_ior32(void);
+extern int atomic_and32(void);
+extern int atomic_xor32(void);
+extern void safe_user_instruction(void);
+extern void sigreturn_stub(void);
+#endif
+#endif
+
 #define FIXED_CODE_START	0x400
 
 #define SIGRETURN_STUB		0x400
@@ -20,3 +42,5 @@
 #define SAFE_USER_INSTRUCTION   0x480
 
 #define FIXED_CODE_END		0x490
+
+#endif