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powerpc/mpic: use of_property_read_bool

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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>
This commit is contained in:
Julia Lawall 2016-08-05 10:56:49 +02:00 committed by Scott Wood
parent 74c269f69c
commit 1fadfe9e19
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/sysdev/mpic.c
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@ -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;