diff mbox

[08/27] powerpc: ppc_md.pci_dma_bus_setup -> pci_controller_ops.dma_bus_setup

Message ID 1427261761-22952-9-git-send-email-dja@axtens.net (mailing list archive)
State Changes Requested
Delegated to: Michael Ellerman
Headers show

Commit Message

Daniel Axtens March 25, 2015, 5:35 a.m. UTC 
Signed-off-by: Daniel Axtens <dja@axtens.net>
---
 arch/powerpc/include/asm/pci-bridge.h | 11 +++++++++++
 arch/powerpc/kernel/pci-common.c      |  3 +--
 2 files changed, 12 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 2474f29..680a46d 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -19,6 +19,7 @@  struct device_node;
  */
 struct pci_controller_ops {
 	void		(*dma_dev_setup)(struct pci_dev *dev);
+	void		(*dma_bus_setup)(struct pci_bus *bus);
 };
 
 /*
@@ -279,5 +280,15 @@  static inline void dma_dev_setup(struct pci_dev *dev)
 		ppc_md.pci_dma_dev_setup(dev);
 }
 
+static inline void dma_bus_setup(struct pci_bus *bus)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+
+	if (hose->controller_ops.dma_bus_setup)
+		hose->controller_ops.dma_bus_setup(bus);
+	else if (ppc_md.pci_dma_bus_setup)
+		ppc_md.pci_dma_bus_setup(bus);
+}
+
 #endif	/* __KERNEL__ */
 #endif	/* _ASM_POWERPC_PCI_BRIDGE_H */
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 3ce6d0c..f5280ec 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -953,8 +953,7 @@  void pcibios_setup_bus_self(struct pci_bus *bus)
 		ppc_md.pcibios_fixup_bus(bus);
 
 	/* Setup bus DMA mappings */
-	if (ppc_md.pci_dma_bus_setup)
-		ppc_md.pci_dma_bus_setup(bus);
+	dma_bus_setup(bus);
 }
 
 static void pcibios_setup_device(struct pci_dev *dev)