[PATCH] PCI Hotplug: use bus_slot number for name

For systems with multiple hotplug controllers, you need to use more than
just the slot number to uniquely name the slot.  Without a unique slot
name, the pci_hp_register() will fail.  This patch adds the bus number
to the name.

Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 2b92b9e..061ead2 100644 (file)
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -302,7 +302,7 @@ static inline void return_resource(struct pci_resource **head, struct pci_resour
 
 static inline void make_slot_name(char *buffer, int buffer_size, struct slot *slot)
 {
-       snprintf(buffer, buffer_size, "%d", slot->number);
+       snprintf(buffer, buffer_size, "%04d_%04d", slot->bus, slot->number);
 }
 
 enum php_ctlr_type {

diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index fe4d653..b7d1c61 100644 (file)
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -411,7 +411,7 @@ static inline void return_resource(struct pci_resource **head, struct pci_resour
 
 static inline void make_slot_name(char *buffer, int buffer_size, struct slot *slot)
 {
-       snprintf(buffer, buffer_size, "%d", slot->number);
+       snprintf(buffer, buffer_size, "%04d_%04d", slot->bus, slot->number);
 }
 
 enum php_ctlr_type {