sparc: Remove dinky old-style SBUS probing facilities.

No drivers or code uses this stuff any more, every driver has been
converted over to OF device probing.
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/include/asm/sbus_32.h

@@ -65,8 +65,6 @@ struct sbus_bus {
 };
 #define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
 
-extern struct sbus_bus *sbus_root;
-
 static inline int
 sbus_is_slave(struct sbus_dev *dev)
 {
@@ -74,17 +72,6 @@ sbus_is_slave(struct sbus_dev *dev)
 	return 0;
 }
 
-/* Device probing routines could find these handy */
-#define for_each_sbus(bus) \
-        for((bus) = sbus_root; (bus); (bus)=(bus)->next)
-
-#define for_each_sbusdev(device, bus) \
-        for((device) = (bus)->devices; (device); (device)=(device)->next)
-
-#define for_all_sbusdev(device, bus) \
-	for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \
-		for ((device) = (bus)->devices; (device); (device) = (device)->next)
-
 /* These yield IOMMU mappings in consistent mode. */
 void prom_adjust_ranges(struct linux_prom_ranges *, int,
 			struct linux_prom_ranges *, int);

arch/sparc/include/asm/sbus_64.h

@@ -66,19 +66,6 @@ struct sbus_bus {
 };
 #define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
 
-extern struct sbus_bus *sbus_root;
-
-/* Device probing routines could find these handy */
-#define for_each_sbus(bus) \
-        for((bus) = sbus_root; (bus); (bus)=(bus)->next)
-
-#define for_each_sbusdev(device, bus) \
-        for((device) = (bus)->devices; (device); (device)=(device)->next)
-
-#define for_all_sbusdev(device, bus) \
-	for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \
-		for ((device) = (bus)->devices; (device); (device) = (device)->next)
-
 extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);
 extern int sbus_arch_preinit(void);
 extern void sbus_arch_postinit(void);

arch/sparc/kernel/sparc_ksyms.c

@@ -153,7 +153,6 @@ EXPORT_SYMBOL(BTFIXUP_CALL(mmu_release_scsi_one));
 EXPORT_SYMBOL(BTFIXUP_CALL(pgprot_noncached));
 
 #ifdef CONFIG_SBUS
-EXPORT_SYMBOL(sbus_root);
 EXPORT_SYMBOL(sbus_set_sbus64);
 EXPORT_SYMBOL(sbus_iounmap);
 EXPORT_SYMBOL(sbus_ioremap);

arch/sparc64/kernel/sparc64_ksyms.c

@@ -160,7 +160,6 @@ EXPORT_SYMBOL(auxio_set_led);
 EXPORT_SYMBOL(auxio_set_lte);
 #endif
 #ifdef CONFIG_SBUS
-EXPORT_SYMBOL(sbus_root);
 EXPORT_SYMBOL(sbus_set_sbus64);
 #endif
 EXPORT_SYMBOL(outsb);

drivers/sbus/sbus.c

@@ -28,8 +28,6 @@ show_sbusobppath_attr(struct device * dev, struct device_attribute * attr, char
 
 static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, show_sbusobppath_attr, NULL);
 
-struct sbus_bus *sbus_root;
-
 static void __init fill_sbus_device_iommu(struct sbus_dev *sdev)
 {
 	struct of_device *op = of_find_device_by_node(sdev->ofdev.node);
@@ -78,17 +76,6 @@ static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sde
 	fill_sbus_device_iommu(sdev);
 }
 
-/* We preserve the "probe order" of these bus and device lists to give
- * the same ordering as the old code.
- */
-static void __init sbus_insert(struct sbus_bus *sbus, struct sbus_bus **root)
-{
-	while (*root)
-		root = &(*root)->next;
-	*root = sbus;
-	sbus->next = NULL;
-}
-
 static void __init sdev_insert(struct sbus_dev *sdev, struct sbus_dev **root)
 {
 	while (*root)
@@ -128,7 +115,6 @@ static void __init build_one_sbus(struct device_node *dp, int num_sbus)
 	if (!sbus)
 		return;
 
-	sbus_insert(sbus, &sbus_root);
 	sbus->prom_node = dp->node;
 
 	sbus_setup_iommu(sbus, dp);