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[v5,13/42] powerpc/pci: Override pcibios_setup_bridge()

Message ID 1433400131-18429-14-git-send-email-gwshan@linux.vnet.ibm.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Gavin Shan June 4, 2015, 6:41 a.m. UTC 
The patch overrides pcibios_setup_bridge(), called to update PCI
bridge windows at completion of PCI resource assignment, to assign
PE and setup various (resource) mapping in next patch.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
---
v5:
  * Split from [PATCH v5 v4 06/21]
---
 arch/powerpc/include/asm/pci-bridge.h | 1 +
 arch/powerpc/kernel/pci-common.c      | 8 ++++++++
 2 files changed, 9 insertions(+)
diff mbox

Patch

diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 1252cd5..1f39ca7 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -29,6 +29,7 @@  struct pci_controller_ops {
 
 	/* Called during PCI resource reassignment */
 	resource_size_t (*window_alignment)(struct pci_bus *, unsigned long);
+	void		(*setup_bridge)(struct pci_bus *, unsigned long);
 	void		(*reset_secondary_bus)(struct pci_dev *);
 };
 
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 0d05406..0358f24 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -122,6 +122,14 @@  resource_size_t pcibios_window_alignment(struct pci_bus *bus,
 	return 1;
 }
 
+void pcibios_setup_bridge(struct pci_bus *bus, unsigned long type)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+
+	if (hose->controller_ops.setup_bridge)
+		hose->controller_ops.setup_bridge(bus, type);
+}
+
 void pcibios_reset_secondary_bus(struct pci_dev *dev)
 {
 	struct pci_controller *phb = pci_bus_to_host(dev->bus);