[PATCH] powerpc: remove iSeries_Global_Device_List

We can now scan the list of device nodes instead.  This also allows us
to remove the Device_list member of struct pci_dn.

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

1 files changed, 6 insertions, 8 deletions

diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index 9d571e749098..5bc08d4eef49 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -50,8 +50,6 @@
  */
 static struct device_node *find_Device_Node(int bus, int devfn);
 
-LIST_HEAD(iSeries_Global_Device_List);
-
 static int Pci_Retry_Max = 3;   /* Only retry 3 times  */
 static int Pci_Error_Flag = 1;  /* Set Retry Error on. */
 
@@ -245,8 +243,6 @@ void iSeries_pcibios_init(void)
                         pdn->bussubno = *busp;
                         pdn->Irq = irq;
                         pdn->LogicalSlot = *lsn;
-                        list_add_tail(&pdn->Device_List,
-                                        &iSeries_Global_Device_List);
                 }
         }
 }
@@ -338,11 +334,13 @@ EXPORT_SYMBOL(iSeries_memcpy_fromio);
  */
 static struct device_node *find_Device_Node(int bus, int devfn)
 {
-        struct pci_dn *pdn;
+        struct device_node *node;
+
+        for (node = NULL; (node = of_find_all_nodes(node)); ) {
+                struct pci_dn *pdn = PCI_DN(node);
 
-        list_for_each_entry(pdn, &iSeries_Global_Device_List, Device_List) {
-                if ((bus == pdn->busno) && (devfn == pdn->devfn))
-                        return pdn->node;
+                if (pdn && (bus == pdn->busno) && (devfn == pdn->devfn))
+                        return node;
         }
         return NULL;
 }