linux-kernel - [PATCH 04/11] i2c: mpc: use of_property_read

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Date:	Fri,  5 Aug 2016 10:56:44 +0200
From:	Julia Lawall <Julia.Lawall@...6.fr>
To:	Wolfram Sang <wsa@...-dreams.de>
Cc:	kernel-janitors@...r.kernel.org, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 04/11] i2c: mpc: use of_property_read_bool

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@...6.fr>

---
 drivers/i2c/busses/i2c-mpc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index 48ecffe..4b5707b 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -700,7 +700,7 @@ static int fsl_i2c_probe(struct platform_device *op)
 		}
 	}
 
-	if (of_get_property(op->dev.of_node, "fsl,preserve-clocking", NULL)) {
+	if (of_property_read_bool(op->dev.of_node, "fsl,preserve-clocking")) {
 		clock = MPC_I2C_CLOCK_PRESERVE;
 	} else {
 		prop = of_get_property(op->dev.of_node, "clock-frequency",