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Groups > linux.kernel > #1456966

[PATCH 09/11] powerpc/mpic: use of_property_read_bool

From Julia Lawall <Julia.Lawall@lip6.fr>
Newsgroups linux.kernel
Subject [PATCH 09/11] powerpc/mpic: use of_property_read_bool
Date 2016-08-05 11:20 +0200
Message-ID <s2Jsm-5yi-19@gated-at.bofh.it> (permalink)
References <s2Jsl-5yi-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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>

---
 arch/powerpc/sysdev/mpic.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 7de45b2..26d9c3f 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -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;

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[PATCH 09/11] powerpc/mpic: use of_property_read_bool Julia Lawall <Julia.Lawall@lip6.fr> - 2016-08-05 11:20 +0200
  Re: [PATCH 09/11] powerpc/mpic: use of_property_read_bool Michael Ellerman <mpe@ellerman.id.au> - 2016-08-08 08:50 +0200

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