On 02/17/2016 02:43 PM, Gavin Shan wrote:
This overrides pcibios_setup_bridge() that is called to update PCI
bridge windows when PCI resource assignment is completed, to assign
PE and setup various (resource) mapping for the PE in subsequent
patches.
Signed-off-by: Gavin Shan <gwshan@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
---
arch/powerpc/include/asm/pci-bridge.h | 2 ++
arch/powerpc/kernel/pci-common.c | 8 ++++++++
2 files changed, 10 insertions(+)
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 9f165e8..b688d04 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -33,6 +33,8 @@ struct pci_controller_ops {
/* Called during PCI resource reassignment */
resource_size_t (*window_alignment)(struct pci_bus *, unsigned long type);
+ void (*setup_bridge)(struct pci_bus *bus,
+ unsigned long type);
void (*reset_secondary_bus)(struct pci_dev *dev);
#ifdef CONFIG_PCI_MSI
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 0f7a60f..40df3a5 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -124,6 +124,14 @@ 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);
--
Alexey
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