vserver 2.0 rc7

[linux-2.6.git] / arch / parisc / kernel / drivers.c

diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 1f69914..ebf1866 100644 (file)
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -10,7 +10,7 @@
  * Copyright (c) 2001 Matthew Wilcox for Hewlett Packard
  * Copyright (c) 2001 Helge Deller <deller@gmx.de>
  * Copyright (c) 2001,2002 Ryan Bradetich 
- * Copyright (c) 2004 Thibaut VARENE <varenet@parisc-linux.org>
+ * Copyright (c) 2004-2005 Thibaut VARENE <varenet@parisc-linux.org>
  * 
  * The file handles registering devices and drivers, then matching them.
  * It's the closest we get to a dating agency.
@@ -611,6 +611,24 @@ struct device *hwpath_to_device(struct hardware_path *modpath)
 }
 EXPORT_SYMBOL(hwpath_to_device);
 
+/**
+ * device_to_hwpath - Populates the hwpath corresponding to the given device.
+ * @param dev the target device
+ * @param path pointer to a previously allocated hwpath struct to be filled in
+ */
+void device_to_hwpath(struct device *dev, struct hardware_path *path)
+{
+       struct parisc_device *padev;
+       if (dev->bus == &parisc_bus_type) {
+               padev = to_parisc_device(dev);
+               get_node_path(dev->parent, path);
+               path->mod = padev->hw_path;
+       } else if (is_pci_dev(dev)) {
+               get_node_path(dev, path);
+       }
+}
+EXPORT_SYMBOL(device_to_hwpath);
+
 #define BC_PORT_MASK 0x8
 #define BC_LOWER_PORT 0x8