Prepare to use it with addon_resource and for_each_resource macro.
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
---
drivers/pci/probe.c | 10 ++++++++++
include/linux/pci.h | 2 ++
2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index d626c4e..87e87b5 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -75,6 +75,16 @@ static int __init pcibus_class_init(void)
}
postcore_initcall(pcibus_class_init);
+struct resource *pci_dev_resource_n(struct pci_dev *dev, int n)
+{
+ struct pci_dev_addon_resource *addon_res;
+
+ if (n < PCI_NUM_RESOURCES)
+ return &dev->resource[n];
+
+ return NULL;
+}
+
static u64 pci_size(u64 base, u64 maxbase, u64 mask)
{
u64 size = mask & maxbase; /* Find the significant bits */
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 161f6c0..bb81080 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -347,6 +347,8 @@ struct pci_dev {
#endif
};
+struct resource *pci_dev_resource_n(struct pci_dev *dev, int n);
+
static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
{
#ifdef CONFIG_PCI_IOV
--
1.7.7
--
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