powerpc/mpic: Search for open-pic device-tree node if NULL

Almost all PowerPC platforms use a standard "open-pic" device node so
the mpic_alloc() function now accepts NULL for the device-node.  This
will cause it to perform a default search with of_find_matching_node().

Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 1 insertions, 12 deletions

diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index 4c1e9b67ac53..17c6f06e2d41 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -50,21 +50,10 @@ static int mpc85xx_exclude_device(struct pci_controller *hose,
 
 static void __init mpc85xx_ads_pic_init(void)
 {
-        struct mpic *mpic;
-        struct device_node *np = NULL;
-
-        np = of_find_node_by_type(np, "open-pic");
-        if (!np) {
-                printk(KERN_ERR "Could not find open-pic node\n");
-                return;
-        }
-
-        mpic = mpic_alloc(np, 0,
+        struct mpic *mpic = mpic_alloc(NULL, 0,
                         MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
                         0, 256, " OpenPIC  ");
         BUG_ON(mpic == NULL);
-        of_node_put(np);
-
         mpic_init(mpic);
 
         mpc85xx_cpm2_pic_init();