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[PATCH] powerpc/pseries: EEH Cleanup 

This patch removes unnecessary exports, marks functions as static when
possible, and simplifies some list-related code.

Signed-off-by: Nathan Fontenot <nfont@austin.ibm.com>
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Nathan Fontenot 2006-03-31 12:04:52 -06:00 committed by Paul Mackerras
parent 34422fed65
commit 794e085e56
2 changed files with 30 additions and 52 deletions
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62
arch/powerpc/platforms/pseries/eeh.c
View File

@ -865,7 +865,7 @@ void __init eeh_init(void)
* on the CEC architecture, type of the device, on earlier boot
* command-line arguments & etc.
*/
void eeh_add_device_early(struct device_node *dn)
static void eeh_add_device_early(struct device_node *dn)
{
struct pci_controller *phb;
struct eeh_early_enable_info info;
@ -882,7 +882,6 @@ void eeh_add_device_early(struct device_node *dn)
info.buid_lo = BUID_LO(phb->buid);
early_enable_eeh(dn, &info);
}
EXPORT_SYMBOL_GPL(eeh_add_device_early);
void eeh_add_device_tree_early(struct device_node *dn)
{
@ -893,20 +892,6 @@ void eeh_add_device_tree_early(struct device_node *dn)
}
EXPORT_SYMBOL_GPL(eeh_add_device_tree_early);
void eeh_add_device_tree_late(struct pci_bus *bus)
{
struct pci_dev *dev;
list_for_each_entry(dev, &bus->devices, bus_list) {
eeh_add_device_late(dev);
if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
struct pci_bus *subbus = dev->subordinate;
if (subbus)
eeh_add_device_tree_late(subbus);
}
}
}
/**
* eeh_add_device_late - perform EEH initialization for the indicated pci device
* @dev: pci device for which to set up EEH
@ -914,7 +899,7 @@ void eeh_add_device_tree_late(struct pci_bus *bus)
* This routine must be used to complete EEH initialization for PCI
* devices that were added after system boot (e.g. hotplug, dlpar).
*/
void eeh_add_device_late(struct pci_dev *dev)
static void eeh_add_device_late(struct pci_dev *dev)
{
struct device_node *dn;
struct pci_dn *pdn;
@ -933,16 +918,33 @@ void eeh_add_device_late(struct pci_dev *dev)
pci_addr_cache_insert_device (dev);
}
EXPORT_SYMBOL_GPL(eeh_add_device_late);
void eeh_add_device_tree_late(struct pci_bus *bus)
{
struct pci_dev *dev;
list_for_each_entry(dev, &bus->devices, bus_list) {
eeh_add_device_late(dev);
if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
struct pci_bus *subbus = dev->subordinate;
if (subbus)
eeh_add_device_tree_late(subbus);
}
}
}
EXPORT_SYMBOL_GPL(eeh_add_device_tree_late);
/**
* eeh_remove_device - undo EEH setup for the indicated pci device
* @dev: pci device to be removed
*
* This routine should be when a device is removed from a running
* system (e.g. by hotplug or dlpar).
* This routine should be called when a device is removed from
* a running system (e.g. by hotplug or dlpar). It unregisters
* the PCI device from the EEH subsystem. I/O errors affecting
* this device will no longer be detected after this call; thus,
* i/o errors affecting this slot may leave this device unusable.
*/
void eeh_remove_device(struct pci_dev *dev)
static void eeh_remove_device(struct pci_dev *dev)
{
struct device_node *dn;
if (!dev || !eeh_subsystem_enabled)
@ -958,21 +960,17 @@ void eeh_remove_device(struct pci_dev *dev)
PCI_DN(dn)->pcidev = NULL;
pci_dev_put (dev);
}
EXPORT_SYMBOL_GPL(eeh_remove_device);
void eeh_remove_bus_device(struct pci_dev *dev)
{
struct pci_bus *bus = dev->subordinate;
struct pci_dev *child, *tmp;
eeh_remove_device(dev);
if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
struct pci_bus *bus = dev->subordinate;
struct list_head *ln;
if (!bus)
return;
for (ln = bus->devices.next; ln != &bus->devices; ln = ln->next) {
struct pci_dev *pdev = pci_dev_b(ln);
if (pdev)
eeh_remove_bus_device(pdev);
}
if (bus && dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
list_for_each_entry_safe(child, tmp, &bus->devices, bus_list)
eeh_remove_bus_device(child);
}
}
EXPORT_SYMBOL_GPL(eeh_remove_bus_device);

20
include/asm-powerpc/eeh.h
View File

@ -60,23 +60,9 @@ void __init pci_addr_cache_build(void);
* device (including config space i/o). Call eeh_add_device_late
* to finish the eeh setup for this device.
*/
void eeh_add_device_early(struct device_node *);
void eeh_add_device_late(struct pci_dev *dev);
void eeh_add_device_tree_early(struct device_node *);
void eeh_add_device_tree_late(struct pci_bus *);
/**
* eeh_remove_device - undo EEH setup for the indicated pci device
* @dev: pci device to be removed
*
* This routine should be called when a device is removed from
* a running system (e.g. by hotplug or dlpar). It unregisters
* the PCI device from the EEH subsystem. I/O errors affecting
* this device will no longer be detected after this call; thus,
* i/o errors affecting this slot may leave this device unusable.
*/
void eeh_remove_device(struct pci_dev *);
/**
* eeh_remove_device_recursive - undo EEH for device & children.
* @dev: pci device to be removed
@ -116,12 +102,6 @@ static inline int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *d
static inline void pci_addr_cache_build(void) { }
static inline void eeh_add_device_early(struct device_node *dn) { }
static inline void eeh_add_device_late(struct pci_dev *dev) { }
static inline void eeh_remove_device(struct pci_dev *dev) { }
static inline void eeh_add_device_tree_early(struct device_node *dn) { }
static inline void eeh_add_device_tree_late(struct pci_bus *bus) { }