[lm-sensors] [PATCH v3 RESEND] hwmon: (ads1015) Use of_property_read_u32 at appropriate places

* [lm-sensors] [PATCH v3 RESEND] hwmon: (ads1015) Use of_property_read_u32 at appropriate places
@ 2014-08-05  2:56 Axel Lin
  2014-08-05  5:05 ` Guenter Roeck
  0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2014-08-05  2:56 UTC (permalink / raw)
  To: lm-sensors

Simplify the code a bit and also improve readability.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/hwmon/ads1015.c | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c
index 1265164..f155b83 100644
--- a/drivers/hwmon/ads1015.c
+++ b/drivers/hwmon/ads1015.c
@@ -184,20 +184,18 @@ static int ads1015_get_channels_config_of(struct i2c_client *client)
 		return -EINVAL;
 
 	for_each_child_of_node(client->dev.of_node, node) {
-		const __be32 *property;
-		int len;
+		u32 pval;
 		unsigned int channel;
 		unsigned int pga = ADS1015_DEFAULT_PGA;
 		unsigned int data_rate = ADS1015_DEFAULT_DATA_RATE;
 
-		property = of_get_property(node, "reg", &len);
-		if (!property || len != sizeof(int)) {
+		if (of_property_read_u32(node, "reg", &pval)) {
 			dev_err(&client->dev, "invalid reg on %s\n",
 				node->full_name);
 			continue;
 		}
 
-		channel = be32_to_cpup(property);
+		channel = pval;
 		if (channel >= ADS1015_CHANNELS) {
 			dev_err(&client->dev,
 				"invalid channel index %d on %s\n",
@@ -205,20 +203,17 @@ static int ads1015_get_channels_config_of(struct i2c_client *client)
 			continue;
 		}
 
-		property = of_get_property(node, "ti,gain", &len);
-		if (property && len = sizeof(int)) {
-			pga = be32_to_cpup(property);
+		if (!of_property_read_u32(node, "ti,gain", &pval)) {
+			pga = pval;
 			if (pga > 6) {
-				dev_err(&client->dev,
-					"invalid gain on %s\n",
+				dev_err(&client->dev, "invalid gain on %s\n",
 					node->full_name);
 				return -EINVAL;
 			}
 		}
 
-		property = of_get_property(node, "ti,datarate", &len);
-		if (property && len = sizeof(int)) {
-			data_rate = be32_to_cpup(property);
+		if (!of_property_read_u32(node, "ti,datarate", &pval)) {
+			data_rate = pval;
 			if (data_rate > 7) {
 				dev_err(&client->dev,
 					"invalid data_rate on %s\n",
-- 
1.9.1




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