MIPS: PCI: make phys_to_dma/dma_to_phys for pci-xtalk-bridge common

All platforms using pci-xtalk-bridge can share common phys_to_dma/
dma_to_phys function. So we move it form ip27 specific file to
pci-xtalk-bridge.c

Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org

diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c
index 441eb93..45a0be4 100644 (file)
--- a/arch/mips/pci/pci-ip27.c
+++ b/arch/mips/pci/pci-ip27.c
@@ -9,19 +9,6 @@
  */
 #include <asm/pci/bridge.h>
 
-dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
-{
-       struct pci_dev *pdev = to_pci_dev(dev);
-       struct bridge_controller *bc = BRIDGE_CONTROLLER(pdev->bus);
-
-       return bc->baddr + paddr;
-}
-
-phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dma_addr)
-{
-       return dma_addr & ~(0xffUL << 56);
-}
-
 #ifdef CONFIG_NUMA
 int pcibus_to_node(struct pci_bus *bus)
 {

diff --git a/arch/mips/pci/pci-xtalk-bridge.c b/arch/mips/pci/pci-xtalk-bridge.c
index 3126321..72e60df 100644 (file)
--- a/arch/mips/pci/pci-xtalk-bridge.c
+++ b/arch/mips/pci/pci-xtalk-bridge.c
@@ -23,6 +23,22 @@
 #define CRC16_VALID    0xb001
 
 /*
+ * Common phys<->dma mapping for platforms using pci xtalk bridge
+ */
+dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
+{
+       struct pci_dev *pdev = to_pci_dev(dev);
+       struct bridge_controller *bc = BRIDGE_CONTROLLER(pdev->bus);
+
+       return bc->baddr + paddr;
+}
+
+phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dma_addr)
+{
+       return dma_addr & ~(0xffUL << 56);
+}
+
+/*
  * Most of the IOC3 PCI config register aren't present
  * we emulate what is needed for a normal PCI enumeration
  */