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authorAxel Lin <axel.lin@ingics.com>2014-08-05 10:56:47 +0800
committerGuenter Roeck <linux@roeck-us.net>2014-09-22 11:14:51 -0700
commit8e35762fd5f2b074cff3e5c176c80008c70cc8f3 (patch)
tree1c7fbf7251b8caafe71aa6877e959f729e1d9281 /drivers/hwmon/ads1015.c
parent4e66cd13ff9cd7eaae69e2fae0335d8d99d8afdf (diff)
hwmon: (ads1015) Use of_property_read_u32 at appropriate places
Simplify the code a bit and also improve readability. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/ads1015.c')
-rw-r--r--drivers/hwmon/ads1015.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c
index 126516414c11..f155b8380481 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",