powerpc/eeh: Do probe on pci_dn
Originally, EEH core probes on device_node or pci_dev to populate
EEH devices and PEs, which conflicts with the fact: SRIOV VFs are
usually enabled and created by PF's driver and they don't have the
corresponding device_nodes. Instead, SRIOV VFs have dynamically
created pci_dn, which can be used for EEH probe.
The patch reworks EEH probe for PowerNV and pSeries platforms to
do probing based on pci_dn, instead of pci_dev or device_node any
more.
Signed-off-by: Gavin Shan <gwshan@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 2106f83..8779781 100644
--- a/arch/powerpc/include/asm/eeh.h
+++ b/arch/powerpc/include/asm/eeh.h
@@ -207,8 +207,7 @@
char *name;
int (*init)(void);
int (*post_init)(void);
- void* (*of_probe)(struct device_node *dn, void *flag);
- int (*dev_probe)(struct pci_dev *dev, void *flag);
+ void* (*probe)(struct pci_dn *pdn, void *data);
int (*set_option)(struct eeh_pe *pe, int option);
int (*get_pe_addr)(struct eeh_pe *pe);
int (*get_state)(struct eeh_pe *pe, int *state);
@@ -287,8 +286,8 @@
int eeh_check_failure(const volatile void __iomem *token);
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_early(struct pci_dn *);
+void eeh_add_device_tree_early(struct pci_dn *);
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 *);
@@ -346,9 +345,9 @@
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_early(struct pci_dn *pdn) { }
-static inline void eeh_add_device_tree_early(struct device_node *dn) { }
+static inline void eeh_add_device_tree_early(struct pci_dn *pdn) { }
static inline void eeh_add_device_late(struct pci_dev *dev) { }