This is a note to let you know that I've just added the patch titled
hwmon: (ntc_thermistor) Fix dependencies
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:
hwmon-ntc_thermistor-fix-dependencies.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 <stable@xxxxxxxxxxxxxxx> know about it.
>From 59cf4243e557aa64ab2ef51280454aa1f3828e14 Mon Sep 17 00:00:00 2001
From: Jean Delvare <jdelvare@xxxxxxx>
Date: Sun, 25 May 2014 17:23:08 +0200
Subject: hwmon: (ntc_thermistor) Fix dependencies
From: Jean Delvare <jdelvare@xxxxxxx>
commit 59cf4243e557aa64ab2ef51280454aa1f3828e14 upstream.
In commit 9e8269de, support was added for ntc_thermistor devices being
declared in the device tree and implemented on top of IIO. With that
change, a dependency was added to the ntc_thermistor driver:
depends on (!OF && !IIO) || (OF && IIO)
This construct has the drawback that the driver can no longer be
selected when OF is set and IIO isn't, nor when IIO is set and OF is
not. This is a regression for the original users of the driver.
As the new code depends on IIO and is useless without OF, include it
only if both are enabled, and set the dependencies accordingly. This
is clearer, more simple and more correct.
Signed-off-by: Jean Delvare <jdelvare@xxxxxxx>
Fixes: 9e8269de hwmon: (ntc_thermistor) Add DT with IIO support to NTC thermistor driver
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: Naveen Krishna Chatradhi <ch.naveen@xxxxxxxxxxx>
Cc: Doug Anderson <dianders@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hwmon/Kconfig | 2 +-
drivers/hwmon/ntc_thermistor.c | 4 +++-
2 files changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -944,7 +944,7 @@ config SENSORS_NCT6775
config SENSORS_NTC_THERMISTOR
tristate "NTC thermistor support"
- depends on (!OF && !IIO) || (OF && IIO)
+ depends on !OF || IIO=n || IIO
help
This driver supports NTC thermistors sensor reading and its
interpretation. The driver can also monitor the temperature and
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -141,7 +141,7 @@ struct ntc_data {
char name[PLATFORM_NAME_SIZE];
};
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && IS_ENABLED(CONFIG_IIO)
static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata)
{
struct iio_channel *channel = pdata->chan;
@@ -223,6 +223,8 @@ ntc_thermistor_parse_dt(struct platform_
return NULL;
}
+#define ntc_match NULL
+
static void ntc_iio_channel_release(struct ntc_thermistor_platform_data *pdata)
{ }
#endif
Patches currently in stable-queue which might be from jdelvare@xxxxxxx are
queue-3.10/hwmon-ntc_thermistor-fix-dependencies.patch
queue-3.10/hwmon-ntc_thermistor-fix-of-device-id-mapping.patch
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