[PATCH v2 06/10] PCI: Add pcibios_bus_addr_to_res()

[Yinghai Lu]

it takes addr and return converted address only.

Signed-off-by: Yinghai Lu 
---
 drivers/pci/host-bridge.c | 14 ++
 include/linux/pci.h   |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
index 2e7288b..c911adb 100644
--- a/drivers/pci/host-bridge.c
+++ b/drivers/pci/host-bridge.c
@@ -102,3 +102,17 @@ void pcibios_bus_to_resource(struct pci_dev *dev, struct 
resource *res,
__pcibios_bus_to_resource(dev->bus, res, region);
 }
 EXPORT_SYMBOL(pcibios_bus_to_resource);
+
+resource_size_t pcibios_bus_addr_to_res(struct pci_bus *bus, int flags,
+   resource_size_t addr)
+{
+   struct pci_bus_region region;
+   struct resource r;
+
+   r.flags = flags;
+   region.start = addr;
+   region.end = addr;
+   __pcibios_bus_to_resource(bus, , );
+
+   return r.end;
+}
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 55ee90f..3c6e399 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -745,6 +745,8 @@ void pcibios_resource_to_bus(struct pci_dev *dev, struct 
pci_bus_region *region,
 struct resource *res);
 void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
 struct pci_bus_region *region);
+resource_size_t pcibios_bus_addr_to_res(struct pci_bus *bus, int flags,
+   resource_size_t addr);
 void pcibios_scan_specific_bus(int busn);
 struct pci_bus *pci_find_bus(int domain, int busnr);
 void pci_bus_add_devices(const struct pci_bus *bus);
-- 
1.8.1.4

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[PATCH v2 06/10] PCI: Add pcibios_bus_addr_to_res()

[Yinghai Lu]

it takes addr and return converted address only.

Signed-off-by: Yinghai Lu ying...@kernel.org
---
 drivers/pci/host-bridge.c | 14 ++
 include/linux/pci.h   |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
index 2e7288b..c911adb 100644
--- a/drivers/pci/host-bridge.c
+++ b/drivers/pci/host-bridge.c
@@ -102,3 +102,17 @@ void pcibios_bus_to_resource(struct pci_dev *dev, struct 
resource *res,
__pcibios_bus_to_resource(dev-bus, res, region);
 }
 EXPORT_SYMBOL(pcibios_bus_to_resource);
+
+resource_size_t pcibios_bus_addr_to_res(struct pci_bus *bus, int flags,
+   resource_size_t addr)
+{
+   struct pci_bus_region region;
+   struct resource r;
+
+   r.flags = flags;
+   region.start = addr;
+   region.end = addr;
+   __pcibios_bus_to_resource(bus, r, region);
+
+   return r.end;
+}
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 55ee90f..3c6e399 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -745,6 +745,8 @@ void pcibios_resource_to_bus(struct pci_dev *dev, struct 
pci_bus_region *region,
 struct resource *res);
 void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
 struct pci_bus_region *region);
+resource_size_t pcibios_bus_addr_to_res(struct pci_bus *bus, int flags,
+   resource_size_t addr);
 void pcibios_scan_specific_bus(int busn);
 struct pci_bus *pci_find_bus(int domain, int busnr);
 void pci_bus_add_devices(const struct pci_bus *bus);
-- 
1.8.1.4

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