summary refs log tree commit diff
path: root/drivers/macintosh/therm_adt746x.c
diff options
context:
space:
mode:
authorJean Delvare <khali@linux-fr.org>2009-10-14 05:31:32 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-10-30 17:21:32 +1100
commit99ca177ae4d31c3fbbea7ffb213b9724e4c26233 (patch)
treedcaeb6dc3d52f94110ba7a85d045b9a247b51a19 /drivers/macintosh/therm_adt746x.c
parentcd015707176820b86d07b5dffdecfefdd539a497 (diff)
downloadlinux-99ca177ae4d31c3fbbea7ffb213b9724e4c26233.tar.gz
powerpc/therm_adt746x: Don't access non-existing register
The ADT746x don't have any register at sub-address 0, so better use an
existing register for the initial test read.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Colin Leroy <colin@colino.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/macintosh/therm_adt746x.c')
-rw-r--r--drivers/macintosh/therm_adt746x.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c
index 556f0feaa4df..95b676a19be7 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -387,7 +387,7 @@ static int probe_thermostat(struct i2c_client *client,
 	i2c_set_clientdata(client, th);
 	th->clt = client;
 
-	rc = read_reg(th, 0);
+	rc = read_reg(th, CONFIG_REG);
 	if (rc < 0) {
 		dev_err(&client->dev, "Thermostat failed to read config!\n");
 		kfree(th);