PCI: export __pci_read_base()

Export __pci_read_base() so it can be used by whole PCI subsystem.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 392388468f6f..d881fde8bb82 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -162,6 +162,15 @@ struct pci_slot_attribute {
 };
 #define to_pci_slot_attr(s) container_of(s, struct pci_slot_attribute, attr)
 
+enum pci_bar_type {
+        pci_bar_unknown,        /* Standard PCI BAR probe */
+        pci_bar_io,             /* An io port BAR */
+        pci_bar_mem32,          /* A 32-bit memory BAR */
+        pci_bar_mem64,          /* A 64-bit memory BAR */
+};
+
+extern int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
+                                struct resource *res, unsigned int reg);
 extern void pci_enable_ari(struct pci_dev *dev);
 /**
  * pci_ari_enabled - query ARI forwarding status