powerpc/mpic: use of_property_read_bool
authorJulia Lawall <julia.lawall@lip6.fr>
Fri, 5 Aug 2016 08:56:49 +0000 (10:56 +0200)
committerScott Wood <oss@buserror.net>
Sun, 25 Sep 2016 07:38:51 +0000 (02:38 -0500)
Use of_property_read_bool to check for the existence of a property.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e1,e2;
statement S2,S1;
@@
-       if (of_get_property(e1,e2,NULL))
+       if (of_property_read_bool(e1,e2))
        S1 else S2
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Scott Wood <oss@buserror.net>
arch/powerpc/sysdev/mpic.c

index 4d48cecfedd1d6b7dee121db11fdf35b295bec23..b9aac951a90f69ec3e05775fe50495b25fea6716 100644 (file)
@@ -1249,7 +1249,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
        /* Pick the physical address from the device tree if unspecified */
        if (!phys_addr) {
                /* Check if it is DCR-based */
-               if (of_get_property(node, "dcr-reg", NULL)) {
+               if (of_property_read_bool(node, "dcr-reg")) {
                        flags |= MPIC_USES_DCR;
                } else {
                        struct resource r;