This is a note to let you know that I've just added the patch titled

    hwmon: (pmbus) Drop check for PMBus revision register in probe function

to the 2.6.39-stable tree which can be found at:
    
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     hwmon-pmbus-drop-check-for-pmbus-revision-register-in.patch
and it can be found in the queue-2.6.39 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <sta...@kernel.org> know about it.


>From 7f2c0662e5cfd05f12ca49109e8f787bf2d87b66 Mon Sep 17 00:00:00 2001
From: Guenter Roeck <guenter.ro...@ericsson.com>
Date: Sat, 25 Jun 2011 12:42:14 -0700
Subject: hwmon: (pmbus) Drop check for PMBus revision register in probe function

From: Guenter Roeck <guenter.ro...@ericsson.com>

commit 7f2c0662e5cfd05f12ca49109e8f787bf2d87b66 upstream.

Some PMBus devices do not support the PMBus revision register, so don't check
if it exists.

Signed-off-by: Guenter Roeck <guenter.ro...@ericsson.com>
Reviewed-by: Robert Coulson <robert.coul...@ericsson.com>
Signed-off-by: Greg Kroah-Hartman <gre...@suse.de>

---
 drivers/hwmon/pmbus_core.c |   11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

--- a/drivers/hwmon/pmbus_core.c
+++ b/drivers/hwmon/pmbus_core.c
@@ -1518,14 +1518,9 @@ int pmbus_do_probe(struct i2c_client *cl
        i2c_set_clientdata(client, data);
        mutex_init(&data->update_lock);
 
-       /*
-        * Bail out if status register or PMBus revision register
-        * does not exist.
-        */
-       if (i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE) < 0
-           || i2c_smbus_read_byte_data(client, PMBUS_REVISION) < 0) {
-               dev_err(&client->dev,
-                       "Status or revision register not found\n");
+       /* Bail out if PMBus status register does not exist. */
+       if (i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE) < 0) {
+               dev_err(&client->dev, "PMBus status register not found\n");
                ret = -ENODEV;
                goto out_data;
        }


Patches currently in stable-queue which might be from 
guenter.ro...@ericsson.com are

queue-2.6.39/hwmon-pmbus-improve-fan-detection.patch
queue-2.6.39/hwmon-pmbus-use-long-variables-for-register-to-data.patch
queue-2.6.39/hwmon-lm95241-fix-chip-detection-code.patch
queue-2.6.39/hwmon-pmbus-improve-auto-detection-of-temperature-status.patch
queue-2.6.39/hwmon-pmbus-drop-check-for-pmbus-revision-register-in.patch
queue-2.6.39/hwmon-pmbus-auto-detect-temp2-and-temp3.patch
queue-2.6.39/hwmon-lm95241-fix-negative-temperature-results.patch

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