alpha: remove remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

The change in pci-iommu,c should be safe as arena has not been assigned
when we get to this point.

Some were within #if 0 blocks, have changed them and left the blocks
as they appear to be debugging infrastructure.

A #define FN __FUNCTION__ was removed and occurances of FN were replaced
with __func__ as well.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index dd6e334..2179c60 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -79,25 +79,21 @@
 
 #ifdef CONFIG_DISCONTIGMEM
 
-        if (!NODE_DATA(nid) ||
-            (NULL == (arena = alloc_bootmem_node(NODE_DATA(nid),
-                                                 sizeof(*arena))))) {
-                printk("%s: couldn't allocate arena from node %d\n"
-                       "    falling back to system-wide allocation\n",
-                       __FUNCTION__, nid);
-                arena = alloc_bootmem(sizeof(*arena));
-        }
+	arena = alloc_bootmem_node(NODE_DATA(nid), sizeof(*arena));
+	if (!NODE_DATA(nid) || !arena) {
+		printk("%s: couldn't allocate arena from node %d\n"
+		       "    falling back to system-wide allocation\n",
+		       __func__, nid);
+		arena = alloc_bootmem(sizeof(*arena));
+	}
 
-        if (!NODE_DATA(nid) ||
-            (NULL == (arena->ptes = __alloc_bootmem_node(NODE_DATA(nid),
-                                                         mem_size,
-                                                         align,
-                                                         0)))) {
-                printk("%s: couldn't allocate arena ptes from node %d\n"
-                       "    falling back to system-wide allocation\n",
-                       __FUNCTION__, nid);
-                arena->ptes = __alloc_bootmem(mem_size, align, 0);
-        }
+	arena->ptes = __alloc_bootmem_node(NODE_DATA(nid), mem_size, align, 0);
+	if (!NODE_DATA(nid) || !arena->ptes) {
+		printk("%s: couldn't allocate arena ptes from node %d\n"
+		       "    falling back to system-wide allocation\n",
+		       __func__, nid);
+		arena->ptes = __alloc_bootmem(mem_size, align, 0);
+	}
 
 #else /* CONFIG_DISCONTIGMEM */