linux-kernel - [PATCH v4 25/47] soc: fsl: qe: qe_io.c: use of_property_read_u32() in par_io

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Message-Id: <20191108130123.6839-26-linux@rasmusvillemoes.dk>
Date:   Fri,  8 Nov 2019 14:01:01 +0100
From:   Rasmus Villemoes <linux@...musvillemoes.dk>
To:     Qiang Zhao <qiang.zhao@....com>, Li Yang <leoyang.li@....com>,
        Christophe Leroy <christophe.leroy@....fr>
Cc:     linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Scott Wood <oss@...error.net>,
        Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: [PATCH v4 25/47] soc: fsl: qe: qe_io.c: use of_property_read_u32() in par_io_init()

This is necessary for this to work on little-endian hosts.

Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
---
 drivers/soc/fsl/qe/qe_io.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/soc/fsl/qe/qe_io.c b/drivers/soc/fsl/qe/qe_io.c
index 61dd8eb8c0fe..11ea08e97db7 100644
--- a/drivers/soc/fsl/qe/qe_io.c
+++ b/drivers/soc/fsl/qe/qe_io.c
@@ -28,7 +28,7 @@ int par_io_init(struct device_node *np)
 {
 	struct resource res;
 	int ret;
-	const u32 *num_ports;
+	u32 num_ports;
 
 	/* Map Parallel I/O ports registers */
 	ret = of_address_to_resource(np, 0, &res);
@@ -36,9 +36,8 @@ int par_io_init(struct device_node *np)
 		return ret;
 	par_io = ioremap(res.start, resource_size(&res));
 
-	num_ports = of_get_property(np, "num-ports", NULL);
-	if (num_ports)
-		num_par_io_ports = *num_ports;
+	if (!of_property_read_u32(np, "num-ports", &num_ports))
+		num_par_io_ports = num_ports;
 
 	return 0;
 }
-- 
2.23.0