powerpc: Remove stale function prototypes

There were a number of prototypes for functions that no longer
exist. Remove them.

Signed-off-by: Anton Blanchard <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>

arch/powerpc/include/asm/bug.h

···
 extern void bad_page_fault(struct pt_regs *, unsigned long, int);
 extern void _exception(int, struct pt_regs *, int, unsigned long);
 extern void die(const char *, struct pt_regs *, long);
-extern void print_backtrace(unsigned long *);
 
 #endif /* !__ASSEMBLY__ */
 

arch/powerpc/include/asm/hydra.h

···
 #define HYDRA_INT_SPARE		19
 
 extern int hydra_init(void);
-extern void macio_adb_init(void);
 
 #endif /* __KERNEL__ */
 

arch/powerpc/include/asm/irq.h

···
 
 extern irq_hw_number_t virq_to_hw(unsigned int virq);
 
-/**
- * irq_early_init - Init irq remapping subsystem
- */
-extern void irq_early_init(void);
-
 static __inline__ int irq_canonicalize(int irq)
 {
 	return irq;

arch/powerpc/include/asm/kexec.h

···
 extern int crash_shutdown_register(crash_shutdown_t handler);
 extern int crash_shutdown_unregister(crash_shutdown_t handler);
 
-extern void machine_kexec_simple(struct kimage *image);
 extern void crash_kexec_secondary(struct pt_regs *regs);
 extern int overlaps_crashkernel(unsigned long start, unsigned long size);
 extern void reserve_crashkernel(void);

arch/powerpc/include/asm/page_64.h

···
 extern unsigned int get_slice_psize(struct mm_struct *mm,
 				    unsigned long addr);
 
-extern void slice_init_context(struct mm_struct *mm, unsigned int psize);
 extern void slice_set_user_psize(struct mm_struct *mm, unsigned int psize);
 extern void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
 				  unsigned long len, unsigned int psize);

arch/powerpc/include/asm/pgtable-ppc32.h

···
 #include <linux/threads.h>
 #include <asm/io.h>			/* For sub-arch specific PPC_PIN_SIZE */
 
-extern unsigned long va_to_phys(unsigned long address);
-extern pte_t *va_to_pte(unsigned long address);
 extern unsigned long ioremap_bot;
 
 #ifdef CONFIG_44x

arch/powerpc/include/asm/prom.h

···
 			 unsigned long *busno, unsigned long *phys,
 			 unsigned long *size);
 
-extern void kdump_move_device_tree(void);
-
 extern void of_instantiate_rtc(void);
 
 extern int of_get_ibm_chip_id(struct device_node *np);

arch/powerpc/include/asm/rio.h

···
 #ifndef ASM_PPC_RIO_H
 #define ASM_PPC_RIO_H
 
-extern void platform_rio_init(void);
 #ifdef CONFIG_FSL_RIO
 extern int fsl_rio_mcheck_exception(struct pt_regs *);
 #else

arch/powerpc/include/asm/tsi108.h

···
 extern u32 tsi108_pci_cfg_base;
 /* Exported functions */
 
-extern int tsi108_bridge_init(struct pci_controller *hose, uint phys_csr_base);
-extern unsigned long tsi108_get_mem_size(void);
-extern unsigned long tsi108_get_cpu_clk(void);
-extern unsigned long tsi108_get_sdc_clk(void);
 extern int tsi108_direct_write_config(struct pci_bus *bus, unsigned int devfn,
 				      int offset, int len, u32 val);
 extern int tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn,

arch/powerpc/include/asm/udbg.h

···
 extern void __init udbg_init_40x_realmode(void);
 extern void __init udbg_init_cpm(void);
 extern void __init udbg_init_usbgecko(void);
-extern void __init udbg_init_wsp(void);
 extern void __init udbg_init_memcons(void);
 extern void __init udbg_init_ehv_bc(void);
 extern void __init udbg_init_ps3gelic(void);

arch/powerpc/platforms/pseries/lpar.c

···
 EXPORT_SYMBOL(plpar_hcall9);
 EXPORT_SYMBOL(plpar_hcall_norets);
 
-extern void pSeries_find_serial_port(void);
-
 void vpa_init(int cpu)
 {
 	int hwcpu = get_hard_smp_processor_id(cpu);