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authorLinas Vepstas <linas@linas.org>2005-11-03 18:51:31 -0600
committerPaul Mackerras <paulus@samba.org>2006-01-09 14:51:05 +1100
commite2a296eeaa344450196e910a136ab14119d7ae48 (patch)
tree53a9fd6374d1559dec29d909fae1902a305472ad
parent74761bb53df1e2d603937b6abbd8437b03840e38 (diff)
[PATCH] powerpc: PCI hotplug common code elimination
20-rpaphp-eeh-cleanup.patch This patch move some code from the rpaphp directory, to the powerpc directory, where it should have been all along (Among other things, I need it in the powerpc directory for the PCI error recovery.) Please note that patch affects TWO maintainers: Paul, after applying the powerpc part, please ask that GregKH appli the PCI part. It is safe to have the powerpc part go in first. It would be bad to have the PCI part go in first. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
-rw-r--r--arch/powerpc/platforms/pseries/eeh.c26
-rw-r--r--include/asm-powerpc/eeh.h10
2 files changed, 36 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index c8d2a40dc5b..7fbfd16d72b 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -1093,6 +1093,15 @@ void eeh_add_device_early(struct device_node *dn)
}
EXPORT_SYMBOL_GPL(eeh_add_device_early);
+void eeh_add_device_tree_early(struct device_node *dn)
+{
+ struct device_node *sib;
+ for (sib = dn->child; sib; sib = sib->sibling)
+ eeh_add_device_tree_early(sib);
+ eeh_add_device_early(dn);
+}
+EXPORT_SYMBOL_GPL(eeh_add_device_tree_early);
+
/**
* eeh_add_device_late - perform EEH initialization for the indicated pci device
* @dev: pci device for which to set up EEH
@@ -1147,6 +1156,23 @@ void eeh_remove_device(struct pci_dev *dev)
}
EXPORT_SYMBOL_GPL(eeh_remove_device);
+void eeh_remove_bus_device(struct pci_dev *dev)
+{
+ 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);
+ }
+ }
+}
+EXPORT_SYMBOL_GPL(eeh_remove_bus_device);
+
static int proc_eeh_show(struct seq_file *m, void *v)
{
unsigned int cpu;
diff --git a/include/asm-powerpc/eeh.h b/include/asm-powerpc/eeh.h
index f8633aafe4b..e4ca35ad333 100644
--- a/include/asm-powerpc/eeh.h
+++ b/include/asm-powerpc/eeh.h
@@ -57,6 +57,7 @@ void __init pci_addr_cache_build(void);
* to finish the eeh setup for this device.
*/
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 *);
/**
@@ -72,6 +73,15 @@ void eeh_add_device_late(struct pci_dev *);
void eeh_remove_device(struct pci_dev *);
/**
+ * eeh_remove_device_recursive - undo EEH for device & children.
+ * @dev: pci device to be removed
+ *
+ * As above, this removes the device; it also removes child
+ * pci devices as well.
+ */
+void eeh_remove_bus_device(struct pci_dev *);
+
+/**
* EEH_POSSIBLE_ERROR() -- test for possible MMIO failure.
*
* If this macro yields TRUE, the caller relays to eeh_check_failure()