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| author | Axel Lin <axel.lin@ingics.com> | 2014-08-05 10:56:47 +0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2014-09-22 11:14:51 -0700 |
| commit | 8e35762fd5f2b074cff3e5c176c80008c70cc8f3 (patch) | |
| tree | 1c7fbf7251b8caafe71aa6877e959f729e1d9281 /drivers/hwmon/ads1015.c | |
| parent | 4e66cd13ff9cd7eaae69e2fae0335d8d99d8afdf (diff) | |
| download | blackbird-obmc-linux-8e35762fd5f2b074cff3e5c176c80008c70cc8f3.tar.gz blackbird-obmc-linux-8e35762fd5f2b074cff3e5c176c80008c70cc8f3.zip | |
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.c | 21 |
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", |
