@@ -275,6 +275,7 @@ int __init eeh_ops_register(struct eeh_ops *ops);
int __exit eeh_ops_unregister(const char *name);
int eeh_check_failure(const volatile void __iomem *token);
int eeh_dev_check_failure(struct eeh_dev *edev);
+void eeh_addr_cache_init(void);
void eeh_addr_cache_build(void);
void eeh_add_device_early(struct pci_dn *);
void eeh_add_device_tree_early(struct pci_dn *);
@@ -335,6 +336,8 @@ static inline int eeh_check_failure(const volatile void __iomem *token)
#define eeh_dev_check_failure(x) (0)
+static inline void eeh_addr_cache_init(void) { }
+
static inline void eeh_addr_cache_build(void) { }
static inline void eeh_add_device_early(struct pci_dn *pdn) { }
@@ -1200,6 +1200,8 @@ static int eeh_init(void)
list_for_each_entry_safe(hose, tmp, &hose_list, list_node)
eeh_dev_phb_init_dynamic(hose);
+ eeh_addr_cache_init();
+
/* Initialize EEH event */
return eeh_event_init();
}
@@ -254,6 +254,17 @@ void eeh_addr_cache_rmv_dev(struct pci_dev *dev)
spin_unlock_irqrestore(&pci_io_addr_cache_root.piar_lock, flags);
}
+/**
+ * eeh_addr_cache_init - Initialize a cache of I/O addresses
+ *
+ * Initialize a cache of pci i/o addresses. This cache will be used to
+ * find the pci device that corresponds to a given address.
+ */
+void eeh_addr_cache_init(void)
+{
+ spin_lock_init(&pci_io_addr_cache_root.piar_lock);
+}
+
/**
* eeh_addr_cache_build - Build a cache of I/O addresses
*
@@ -269,8 +280,6 @@ void eeh_addr_cache_build(void)
struct eeh_dev *edev;
struct pci_dev *dev = NULL;
- spin_lock_init(&pci_io_addr_cache_root.piar_lock);
-
for_each_pci_dev(dev) {
pdn = pci_get_pdn_by_devfn(dev->bus, dev->devfn);
if (!pdn)