powerpc/eeh: Export functions for hotplug
Make some functions public in order to support hotplug on either specific
PCI bus or PCI device in future.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h
index 09a8743..d9d35c2 100644
--- a/arch/powerpc/include/asm/eeh.h
+++ b/arch/powerpc/include/asm/eeh.h
@@ -209,9 +209,12 @@
unsigned long val);
int eeh_dev_check_failure(struct eeh_dev *edev);
void eeh_addr_cache_build(void);
+void eeh_add_device_early(struct device_node *);
void eeh_add_device_tree_early(struct device_node *);
+void eeh_add_device_late(struct pci_dev *);
void eeh_add_device_tree_late(struct pci_bus *);
void eeh_add_sysfs_files(struct pci_bus *);
+void eeh_remove_device(struct pci_dev *, int);
void eeh_remove_bus_device(struct pci_dev *, int);
/**
@@ -252,12 +255,18 @@
static inline void eeh_addr_cache_build(void) { }
+static inline void eeh_add_device_early(struct device_node *dn) { }
+
static inline void eeh_add_device_tree_early(struct device_node *dn) { }
+static inline void eeh_add_device_late(struct pci_dev *dev) { }
+
static inline void eeh_add_device_tree_late(struct pci_bus *bus) { }
static inline void eeh_add_sysfs_files(struct pci_bus *bus) { }
+static inline void eeh_remove_device(struct pci_dev *dev, int purge_pe) { }
+
static inline void eeh_remove_bus_device(struct pci_dev *dev, int purge_pe) { }
#define EEH_POSSIBLE_ERROR(val, type) (0)
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index b5c425e..582ad1e 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -836,7 +836,7 @@
* on the CEC architecture, type of the device, on earlier boot
* command-line arguments & etc.
*/
-static void eeh_add_device_early(struct device_node *dn)
+void eeh_add_device_early(struct device_node *dn)
{
struct pci_controller *phb;
@@ -884,7 +884,7 @@
* This routine must be used to complete EEH initialization for PCI
* devices that were added after system boot (e.g. hotplug, dlpar).
*/
-static void eeh_add_device_late(struct pci_dev *dev)
+void eeh_add_device_late(struct pci_dev *dev)
{
struct device_node *dn;
struct eeh_dev *edev;
@@ -972,7 +972,7 @@
* this device will no longer be detected after this call; thus,
* i/o errors affecting this slot may leave this device unusable.
*/
-static void eeh_remove_device(struct pci_dev *dev, int purge_pe)
+void eeh_remove_device(struct pci_dev *dev, int purge_pe)
{
struct eeh_dev *edev;