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powerpc/eeh: Create eeh_dev from pci_dn instead of device_node

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The patch adds function traverse_pci_dn(), which is similar to
traverse_pci_devices() except it takes pci_dn, not device_node
as parameter. The pci_dev.c has been reworked to create eeh_dev
from pci_dn, instead of device_node.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Gavin Shan 2015-03-17 16:15:05 +11:00 • committed by Benjamin Herrenschmidt
parent c035ff1d2e
commit e8e9b34cef
6 changed files with 69 additions and 11 deletions
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5
arch/powerpc/include/asm/ppc-pci.h
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@ -33,9 +33,14 @@ extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
/* PCI device_node operations */
struct device_node;
struct pci_dn;
typedef void *(*traverse_func)(struct device_node *me, void *data);
void *traverse_pci_devices(struct device_node *start, traverse_func pre,
void *data);
void *traverse_pci_dn(struct pci_dn *root,
void *(*fn)(struct pci_dn *, void *),
void *data);
extern void pci_devs_phb_init(void);
extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);