[POWERPC] Rename prom_n_addr_cells to of_n_addr_cells

This is more consistent and gets us closer to the Sparc code.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index d8ef2e1..ecc7658 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -895,7 +895,7 @@
 	int rlen = 0, orig_rlen;
 	int memno = 0;
 	struct resource *res;
-	int np, na = prom_n_addr_cells(dev);
+	int np, na = of_n_addr_cells(dev);
 	np = na + 5;
 
 	/* First we try to merge ranges to fix a problem with some pmacs
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index db1d40e..84b4f66 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -957,7 +957,7 @@
 	int rlen = 0;
 	int memno = 0;
 	struct resource *res;
-	int np, na = prom_n_addr_cells(dev);
+	int np, na = of_n_addr_cells(dev);
 	unsigned long pci_addr, cpu_phys_addr;
 
 	np = na + 5;
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index d2840b6..08d6197 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1041,8 +1041,7 @@
 
 #undef printk
 
-int
-prom_n_addr_cells(struct device_node* np)
+int of_n_addr_cells(struct device_node* np)
 {
 	const int *ip;
 	do {
@@ -1055,7 +1054,7 @@
 	/* No #address-cells property for the root node, default to 1 */
 	return 1;
 }
-EXPORT_SYMBOL(prom_n_addr_cells);
+EXPORT_SYMBOL(of_n_addr_cells);
 
 int
 prom_n_size_cells(struct device_node* np)
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 91b443c..e3d036f 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -68,7 +68,7 @@
 				       int *addrc, int *sizec)
 {
 	if (addrc)
-		*addrc = prom_n_addr_cells(dev);
+		*addrc = of_n_addr_cells(dev);
 	if (sizec)
 		*sizec = prom_n_size_cells(dev);
 }
@@ -654,7 +654,7 @@
 	if (!prop)
 		prop = get_property(dn, "#address-cells", NULL);
 
-	cells = prop ? *(u32 *)prop : prom_n_addr_cells(dn);
+	cells = prop ? *(u32 *)prop : of_n_addr_cells(dn);
 	*phys = of_read_number(dma_window, cells);
 
 	dma_window += cells;
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index d44db58..f7ef5a9 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -379,7 +379,7 @@
 		int num_addr_cell, num_size_cell, maxcpus;
 		const unsigned int *ireg;
 
-		num_addr_cell = prom_n_addr_cells(dn);
+		num_addr_cell = of_n_addr_cells(dn);
 		num_size_cell = prom_n_size_cells(dn);
 
 		ireg = get_property(dn, "ibm,lrdr-capacity", NULL);