powerpc: eliminate DsaAddr from pci_dn

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/iseries/pci.h b/arch/powerpc/platforms/iseries/pci.h
index 94b4bfdceadf..33a8489fde54 100644
--- a/arch/powerpc/platforms/iseries/pci.h
+++ b/arch/powerpc/platforms/iseries/pci.h
@@ -30,6 +30,8 @@
  * End Change Activity
  */
 
+#include <asm/pci-bridge.h>
+
 struct pci_dev;                         /* For Forward Reference */
 
 /*
@@ -45,6 +47,17 @@ struct pci_dev;				/* For Forward Reference */
 #define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus)          ((subbus >> 5) & 0x7)
 #define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus)        ((subbus >> 2) & 0x7)
 
+/*
+ * Generate a Direct Select Address for the Hypervisor
+ */
+static inline u64 iseries_ds_addr(struct device_node *node)
+{
+        struct pci_dn *pdn = PCI_DN(node);
+
+        return ((u64)pdn->busno << 48) + ((u64)pdn->bussubno << 40)
+                        + ((u64)0x10 << 32);
+}
+
 extern void     iSeries_Device_Information(struct pci_dev*, int);
 
 #endif /* _PLATFORMS_ISERIES_PCI_H */