sparc: drop use of extern for prototypes in arch/sparc/*

Drop the remaining uses of extern for prototypes in .h files
in the sparc specific part of the kernel tree.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/pci_impl.h b/arch/sparc/kernel/pci_impl.h
index 5f68853..75803c7 100644
--- a/arch/sparc/kernel/pci_impl.h
+++ b/arch/sparc/kernel/pci_impl.h
@@ -48,8 +48,8 @@
 			      unsigned long devino);
 };
 
-extern void sparc64_pbm_msi_init(struct pci_pbm_info *pbm,
-				 const struct sparc64_msiq_ops *ops);
+void sparc64_pbm_msi_init(struct pci_pbm_info *pbm,
+			  const struct sparc64_msiq_ops *ops);
 
 struct sparc64_msiq_cookie {
 	struct pci_pbm_info *pbm;
@@ -158,23 +158,23 @@
 extern int pci_num_pbms;
 
 /* PCI bus scanning and fixup support. */
-extern void pci_get_pbm_props(struct pci_pbm_info *pbm);
-extern struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm,
-					struct device *parent);
-extern void pci_determine_mem_io_space(struct pci_pbm_info *pbm);
+void pci_get_pbm_props(struct pci_pbm_info *pbm);
+struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm,
+				 struct device *parent);
+void pci_determine_mem_io_space(struct pci_pbm_info *pbm);
 
 /* Error reporting support. */
-extern void pci_scan_for_target_abort(struct pci_pbm_info *, struct pci_bus *);
-extern void pci_scan_for_master_abort(struct pci_pbm_info *, struct pci_bus *);
-extern void pci_scan_for_parity_error(struct pci_pbm_info *, struct pci_bus *);
+void pci_scan_for_target_abort(struct pci_pbm_info *, struct pci_bus *);
+void pci_scan_for_master_abort(struct pci_pbm_info *, struct pci_bus *);
+void pci_scan_for_parity_error(struct pci_pbm_info *, struct pci_bus *);
 
 /* Configuration space access. */
-extern void pci_config_read8(u8 *addr, u8 *ret);
-extern void pci_config_read16(u16 *addr, u16 *ret);
-extern void pci_config_read32(u32 *addr, u32 *ret);
-extern void pci_config_write8(u8 *addr, u8 val);
-extern void pci_config_write16(u16 *addr, u16 val);
-extern void pci_config_write32(u32 *addr, u32 val);
+void pci_config_read8(u8 *addr, u8 *ret);
+void pci_config_read16(u16 *addr, u16 *ret);
+void pci_config_read32(u32 *addr, u32 *ret);
+void pci_config_write8(u8 *addr, u8 val);
+void pci_config_write16(u16 *addr, u16 val);
+void pci_config_write32(u32 *addr, u32 val);
 
 extern struct pci_ops sun4u_pci_ops;
 extern struct pci_ops sun4v_pci_ops;