Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
[pandora-kernel.git] / drivers / rtc / rtc-rs5c372.c
index 6b67b50..56caf6b 100644 (file)
@@ -69,6 +69,15 @@ enum rtc_type {
        rtc_rv5c387a,
 };
 
+static const struct i2c_device_id rs5c372_id[] = {
+       { "rs5c372a", rtc_rs5c372a },
+       { "rs5c372b", rtc_rs5c372b },
+       { "rv5c386", rtc_rv5c386 },
+       { "rv5c387a", rtc_rv5c387a },
+       { }
+};
+MODULE_DEVICE_TABLE(i2c, rs5c372_id);
+
 /* REVISIT:  this assumes that:
  *  - we're in the 21st century, so it's safe to ignore the century
  *    bit for rv5c38[67] (REG_MONTH bit 7);
@@ -99,7 +108,7 @@ static int rs5c_get_regs(struct rs5c372 *rs5c)
         * least 80219 chips; this works around that bug.
         */
        if ((i2c_transfer(client->adapter, msgs, 1)) != 1) {
-               pr_debug("%s: can't read registers\n", rs5c->rtc->name);
+               dev_warn(&client->dev, "can't read registers\n");
                return -EIO;
        }
 
@@ -166,7 +175,7 @@ static int rs5c372_get_datetime(struct i2c_client *client, struct rtc_time *tm)
 
        dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
                "mday=%d, mon=%d, year=%d, wday=%d\n",
-               __FUNCTION__,
+               __func__,
                tm->tm_sec, tm->tm_min, tm->tm_hour,
                tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
 
@@ -181,7 +190,7 @@ static int rs5c372_set_datetime(struct i2c_client *client, struct rtc_time *tm)
 
        dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d "
                "mday=%d, mon=%d, year=%d, wday=%d\n",
-               __FUNCTION__,
+               __func__,
                tm->tm_sec, tm->tm_min, tm->tm_hour,
                tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
 
@@ -195,7 +204,7 @@ static int rs5c372_set_datetime(struct i2c_client *client, struct rtc_time *tm)
        buf[7] = BIN2BCD(tm->tm_year - 100);
 
        if ((i2c_master_send(client, buf, 8)) != 8) {
-               dev_err(&client->dev, "%s: write error\n", __FUNCTION__);
+               dev_err(&client->dev, "%s: write error\n", __func__);
                return -EIO;
        }
 
@@ -220,7 +229,7 @@ static int rs5c372_get_trim(struct i2c_client *client, int *osc, int *trim)
                *osc = (tmp & RS5C372_TRIM_XSL) ? 32000 : 32768;
 
        if (trim) {
-               dev_dbg(&client->dev, "%s: raw trim=%x\n", __FUNCTION__, tmp);
+               dev_dbg(&client->dev, "%s: raw trim=%x\n", __func__, tmp);
                tmp &= RS5C372_TRIM_MASK;
                if (tmp & 0x3e) {
                        int t = tmp & 0x3f;
@@ -494,13 +503,14 @@ static void rs5c_sysfs_unregister(struct device *dev)
 
 static struct i2c_driver rs5c372_driver;
 
-static int rs5c372_probe(struct i2c_client *client)
+static int rs5c372_probe(struct i2c_client *client,
+                        const struct i2c_device_id *id)
 {
        int err = 0;
        struct rs5c372 *rs5c372;
        struct rtc_time tm;
 
-       dev_dbg(&client->dev, "%s\n", __FUNCTION__);
+       dev_dbg(&client->dev, "%s\n", __func__);
 
        if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
                err = -ENODEV;
@@ -512,29 +522,17 @@ static int rs5c372_probe(struct i2c_client *client)
                goto exit;
        }
 
-       /* we read registers 0x0f then 0x00-0x0f; skip the first one */
-       rs5c372->regs=&rs5c372->buf[1];
-
        rs5c372->client = client;
        i2c_set_clientdata(client, rs5c372);
+       rs5c372->type = id->driver_data;
+
+       /* we read registers 0x0f then 0x00-0x0f; skip the first one */
+       rs5c372->regs = &rs5c372->buf[1];
 
        err = rs5c_get_regs(rs5c372);
        if (err < 0)
                goto exit_kfree;
 
-       if (strcmp(client->name, "rs5c372a") == 0)
-               rs5c372->type = rtc_rs5c372a;
-       else if (strcmp(client->name, "rs5c372b") == 0)
-               rs5c372->type = rtc_rs5c372b;
-       else if (strcmp(client->name, "rv5c386") == 0)
-               rs5c372->type = rtc_rv5c386;
-       else if (strcmp(client->name, "rv5c387a") == 0)
-               rs5c372->type = rtc_rv5c387a;
-       else {
-               rs5c372->type = rtc_rs5c372b;
-               dev_warn(&client->dev, "assuming rs5c372b\n");
-       }
-
        /* clock may be set for am/pm or 24 hr time */
        switch (rs5c372->type) {
        case rtc_rs5c372a:
@@ -651,6 +649,7 @@ static struct i2c_driver rs5c372_driver = {
        },
        .probe          = rs5c372_probe,
        .remove         = rs5c372_remove,
+       .id_table       = rs5c372_id,
 };
 
 static __init int rs5c372_init(void)