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 <[email protected]> know about it.
>From 7f2c0662e5cfd05f12ca49109e8f787bf2d87b66 Mon Sep 17 00:00:00 2001
From: Guenter Roeck <[email protected]>
Date: Sat, 25 Jun 2011 12:42:14 -0700
Subject: hwmon: (pmbus) Drop check for PMBus revision register in probe function
From: Guenter Roeck <[email protected]>
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 <[email protected]>
Reviewed-by: Robert Coulson <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
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
[email protected] 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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