root/arch/mips/pci/pci-ip27.c

DEFINITIONS

1. __phys_to_dma
2. __dma_to_phys
3. pcibus_to_node

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2003 Christoph Hellwig (hch@lst.de)
   7  * Copyright (C) 1999, 2000, 04 Ralf Baechle (ralf@linux-mips.org)
   8  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
   9  */
  10 #include <asm/pci/bridge.h>
  11 
  12 dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
  13 {
  14         struct pci_dev *pdev = to_pci_dev(dev);
  15         struct bridge_controller *bc = BRIDGE_CONTROLLER(pdev->bus);
  16 
  17         return bc->baddr + paddr;
  18 }
  19 
  20 phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dma_addr)
  21 {
  22         return dma_addr & ~(0xffUL << 56);
  23 }
  24 
  25 #ifdef CONFIG_NUMA
  26 int pcibus_to_node(struct pci_bus *bus)
  27 {
  28         struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
  29 
  30         return bc->nasid;
  31 }
  32 EXPORT_SYMBOL(pcibus_to_node);
  33 #endif /* CONFIG_NUMA */