Merge tag 'lsk-v4.4-16.07-android'
[firefly-linux-kernel-4.4.55.git] / drivers / hwmon / ads1015.c
index 126516414c114f309161924e49d5dbef3d60d3bb..2b3105c8aed399f8ce9cd3df03d6a265378131fc 100644 (file)
@@ -126,7 +126,7 @@ static int ads1015_reg_to_mv(struct i2c_client *client, unsigned int channel,
        struct ads1015_data *data = i2c_get_clientdata(client);
        unsigned int pga = data->channel_data[channel].pga;
        int fullscale = fullscale_table[pga];
-       const unsigned mask = data->id == ads1115 ? 0x7fff : 0x7ff0;
+       const int mask = data->id == ads1115 ? 0x7fff : 0x7ff0;
 
        return DIV_ROUND_CLOSEST(reg * fullscale, mask);
 }
@@ -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",