ARM: sa11x0: convert set_xxx_data() to register_xxx()

Only register devices if we have platform data for those which require
platform data.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-sa1100/generic.h b/arch/arm/mach-sa1100/generic.h
index 793c2e6..ec03f18 100644
--- a/arch/arm/mach-sa1100/generic.h
+++ b/arch/arm/mach-sa1100/generic.h
@@ -32,14 +32,11 @@
 struct flash_platform_data;
 struct resource;
 
-extern void sa11x0_set_flash_data(struct flash_platform_data *flash,
-				  struct resource *res, int nr);
-
-struct sa11x0_ssp_plat_ops;
-extern void sa11x0_set_ssp_data(struct sa11x0_ssp_plat_ops *ops);
+void sa11x0_register_mtd(struct flash_platform_data *flash,
+			 struct resource *res, int nr);
 
 struct irda_platform_data;
-void sa11x0_set_irda_data(struct irda_platform_data *irda);
+void sa11x0_register_irda(struct irda_platform_data *irda);
 
 struct mcp_plat_data;
-void sa11x0_set_mcp_data(struct mcp_plat_data *data);
+void sa11x0_register_mcp(struct mcp_plat_data *data);