ath9k_htc: Add a sanity check in ath9k_htc_ampdu_action()
[pandora-kernel.git] / drivers / hwmon / tmp102.c
index 5bd1949..643aa8c 100644 (file)
@@ -55,19 +55,6 @@ struct tmp102 {
        int temp[3];
 };
 
-/* SMBus specifies low byte first, but the TMP102 returns high byte first,
- * so we have to swab16 the values */
-static inline int tmp102_read_reg(struct i2c_client *client, u8 reg)
-{
-       int result = i2c_smbus_read_word_data(client, reg);
-       return result < 0 ? result : swab16(result);
-}
-
-static inline int tmp102_write_reg(struct i2c_client *client, u8 reg, u16 val)
-{
-       return i2c_smbus_write_word_data(client, reg, swab16(val));
-}
-
 /* convert left adjusted 13-bit TMP102 register value to milliCelsius */
 static inline int tmp102_reg_to_mC(s16 val)
 {
@@ -94,7 +81,8 @@ static struct tmp102 *tmp102_update_device(struct i2c_client *client)
        if (time_after(jiffies, tmp102->last_update + HZ / 3)) {
                int i;
                for (i = 0; i < ARRAY_SIZE(tmp102->temp); ++i) {
-                       int status = tmp102_read_reg(client, tmp102_reg[i]);
+                       int status = i2c_smbus_read_word_swapped(client,
+                                                                tmp102_reg[i]);
                        if (status > -1)
                                tmp102->temp[i] = tmp102_reg_to_mC(status);
                }
@@ -130,8 +118,8 @@ static ssize_t tmp102_set_temp(struct device *dev,
 
        mutex_lock(&tmp102->lock);
        tmp102->temp[sda->index] = val;
-       status = tmp102_write_reg(client, tmp102_reg[sda->index],
-                                 tmp102_mC_to_reg(val));
+       status = i2c_smbus_write_word_swapped(client, tmp102_reg[sda->index],
+                                             tmp102_mC_to_reg(val));
        mutex_unlock(&tmp102->lock);
        return status ? : count;
 }
@@ -178,18 +166,19 @@ static int __devinit tmp102_probe(struct i2c_client *client,
        }
        i2c_set_clientdata(client, tmp102);
 
-       status = tmp102_read_reg(client, TMP102_CONF_REG);
+       status = i2c_smbus_read_word_swapped(client, TMP102_CONF_REG);
        if (status < 0) {
                dev_err(&client->dev, "error reading config register\n");
                goto fail_free;
        }
        tmp102->config_orig = status;
-       status = tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONFIG);
+       status = i2c_smbus_write_word_swapped(client, TMP102_CONF_REG,
+                                             TMP102_CONFIG);
        if (status < 0) {
                dev_err(&client->dev, "error writing config register\n");
                goto fail_restore_config;
        }
-       status = tmp102_read_reg(client, TMP102_CONF_REG);
+       status = i2c_smbus_read_word_swapped(client, TMP102_CONF_REG);
        if (status < 0) {
                dev_err(&client->dev, "error reading config register\n");
                goto fail_restore_config;
@@ -222,7 +211,8 @@ static int __devinit tmp102_probe(struct i2c_client *client,
 fail_remove_sysfs:
        sysfs_remove_group(&client->dev.kobj, &tmp102_attr_group);
 fail_restore_config:
-       tmp102_write_reg(client, TMP102_CONF_REG, tmp102->config_orig);
+       i2c_smbus_write_word_swapped(client, TMP102_CONF_REG,
+                                    tmp102->config_orig);
 fail_free:
        kfree(tmp102);
 
@@ -240,10 +230,10 @@ static int __devexit tmp102_remove(struct i2c_client *client)
        if (tmp102->config_orig & TMP102_CONF_SD) {
                int config;
 
-               config = tmp102_read_reg(client, TMP102_CONF_REG);
+               config = i2c_smbus_read_word_swapped(client, TMP102_CONF_REG);
                if (config >= 0)
-                       tmp102_write_reg(client, TMP102_CONF_REG,
-                                        config | TMP102_CONF_SD);
+                       i2c_smbus_write_word_swapped(client, TMP102_CONF_REG,
+                                                    config | TMP102_CONF_SD);
        }
 
        kfree(tmp102);
@@ -257,12 +247,12 @@ static int tmp102_suspend(struct device *dev)
        struct i2c_client *client = to_i2c_client(dev);
        int config;
 
-       config = tmp102_read_reg(client, TMP102_CONF_REG);
+       config = i2c_smbus_read_word_swapped(client, TMP102_CONF_REG);
        if (config < 0)
                return config;
 
        config |= TMP102_CONF_SD;
-       return tmp102_write_reg(client, TMP102_CONF_REG, config);
+       return i2c_smbus_write_word_swapped(client, TMP102_CONF_REG, config);
 }
 
 static int tmp102_resume(struct device *dev)
@@ -270,12 +260,12 @@ static int tmp102_resume(struct device *dev)
        struct i2c_client *client = to_i2c_client(dev);
        int config;
 
-       config = tmp102_read_reg(client, TMP102_CONF_REG);
+       config = i2c_smbus_read_word_swapped(client, TMP102_CONF_REG);
        if (config < 0)
                return config;
 
        config &= ~TMP102_CONF_SD;
-       return tmp102_write_reg(client, TMP102_CONF_REG, config);
+       return i2c_smbus_write_word_swapped(client, TMP102_CONF_REG, config);
 }
 
 static const struct dev_pm_ops tmp102_dev_pm_ops = {