This is a note to let you know that I've just added the patch titled
iio: max1363: Use devm_regulator_get_optional for optional regulator
to the 3.10-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:
iio-max1363-use-devm_regulator_get_optional-for-optional-regulator.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 55b40d37311807a6bb2acdae0df904f54a0da3ae Mon Sep 17 00:00:00 2001
From: Guenter Roeck <[email protected]>
Date: Mon, 27 Jan 2014 18:10:00 +0000
Subject: iio: max1363: Use devm_regulator_get_optional for optional regulator
From: Guenter Roeck <[email protected]>
commit 55b40d37311807a6bb2acdae0df904f54a0da3ae upstream.
In kernel version 3.13, devm_regulator_get() may return no error
if a regulator is undeclared. regulator_get_voltage() will return
-EINVAL if this happens. This causes the driver to fail loading if
the vref regulator is not declared.
Since vref is optional, call devm_regulator_get_optional instead.
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/iio/adc/max1363.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -1528,7 +1528,7 @@ static int max1363_probe(struct i2c_clie
st->client = client;
st->vref_uv = st->chip_info->int_vref_mv * 1000;
- vref = devm_regulator_get(&client->dev, "vref");
+ vref = devm_regulator_get_optional(&client->dev, "vref");
if (!IS_ERR(vref)) {
int vref_uv;
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/hwmon-ntc_thermistor-avoid-math-overflow.patch
queue-3.10/iio-max1363-use-devm_regulator_get_optional-for-optional-regulator.patch
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