This patch adds pci_add_bus() for PCI bus registration. It also moves
pci_remove_bus() from remove.c to bus/bus.c for consistency.
Signed-off-by: Adam Belay <[email protected]>
--- a/drivers/pci/bus/bus.c 2005-07-12 00:59:58.000000000 -0400
+++ b/drivers/pci/bus/bus.c 2005-07-12 01:01:13.992787920 -0400
@@ -9,6 +9,7 @@
#include <linux/module.h>
#include "bus.h"
+#include "../pci.h"
#undef DEBUG
@@ -50,7 +51,7 @@
*/
/**
- * pci_alloc_bus - allocates a "pci_bus" structure
+ * pci_alloc_bus - allocates a "pci_bus" structure
*/
struct pci_bus * pci_alloc_bus(void)
{
@@ -67,3 +68,61 @@
}
EXPORT_SYMBOL(pci_alloc_bus);
+
+/**
+ * pci_add_bus - registers a bus with the pci bus class
+ * @bus: the bus
+ *
+ * Setup class data, register with the driver core, proc, etc...
+ */
+int pci_add_bus(struct pci_bus *bus)
+{
+ int ret;
+
+ bus->class_dev.class = &pcibus_class;
+ sprintf(bus->class_dev.class_id, "%04x:%02x", pci_domain_nr(bus),
+ bus->primary);
+
+ ret = class_device_register(&bus->class_dev);
+ if (ret)
+ return ret;
+
+ class_device_create_file(&bus->class_dev,
+ &class_device_attr_cpuaffinity);
+ if (bus->self)
+ sysfs_create_link(&bus->class_dev.kobj,
+ &bus->self->dev.kobj, "bridge");
+
+ spin_lock(&pci_bus_lock);
+ list_add_tail(&bus->node, &bus->parent->children);
+ spin_unlock(&pci_bus_lock);
+
+ pci_proc_attach_bus(bus);
+
+ return 0;
+}
+
+EXPORT_SYMBOL(pci_add_bus);
+
+/**
+ * pci_remove_bus - unregisters a bus with the pci bus class
+ * @bus: the bus
+ *
+ * Remove the bus from bus lists, remove proc/sysfs files, and unregister
+ * from the driver core.
+ */
+void pci_remove_bus(struct pci_bus *pci_bus)
+{
+ pci_proc_detach_bus(pci_bus);
+
+ spin_lock(&pci_bus_lock);
+ list_del(&pci_bus->node);
+ spin_unlock(&pci_bus_lock);
+ pci_remove_legacy_files(pci_bus);
+ class_device_remove_file(&pci_bus->class_dev,
+ &class_device_attr_cpuaffinity);
+ sysfs_remove_link(&pci_bus->class_dev.kobj, "bridge");
+ class_device_unregister(&pci_bus->class_dev);
+}
+
+EXPORT_SYMBOL(pci_remove_bus);
--- a/drivers/pci/remove.c 2005-07-08 17:06:20.000000000 -0400
+++ b/drivers/pci/remove.c 2005-07-12 01:01:13.998787008 -0400
@@ -57,20 +57,6 @@
}
EXPORT_SYMBOL(pci_remove_device_safe);
-void pci_remove_bus(struct pci_bus *pci_bus)
-{
- pci_proc_detach_bus(pci_bus);
-
- spin_lock(&pci_bus_lock);
- list_del(&pci_bus->node);
- spin_unlock(&pci_bus_lock);
- pci_remove_legacy_files(pci_bus);
- class_device_remove_file(&pci_bus->class_dev,
- &class_device_attr_cpuaffinity);
- sysfs_remove_link(&pci_bus->class_dev.kobj, "bridge");
- class_device_unregister(&pci_bus->class_dev);
-}
-EXPORT_SYMBOL(pci_remove_bus);
/**
* pci_remove_bus_device - remove a PCI device and any children
--- a/include/linux/pci.h 2005-07-12 00:59:58.000000000 -0400
+++ b/include/linux/pci.h 2005-07-12 01:01:14.065776824 -0400
@@ -734,6 +734,8 @@
/* Generic PCI functions used internally */
extern struct pci_bus * pci_alloc_bus(void);
+extern int pci_add_bus(struct pci_bus *bus);
+extern void pci_remove_bus(struct pci_bus *bus);
extern struct pci_bus *pci_find_bus(int domain, int busnr);
void pci_bus_add_devices(struct pci_bus *bus);
struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus, struct pci_ops *ops, void *sysdata);
@@ -756,7 +758,6 @@
int pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge);
extern struct pci_dev *pci_dev_get(struct pci_dev *dev);
extern void pci_dev_put(struct pci_dev *dev);
-extern void pci_remove_bus(struct pci_bus *b);
extern void pci_remove_bus_device(struct pci_dev *dev);
/* Generic PCI functions exported to card drivers */
-
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