This is a note to let you know that I've just added the patch titled
hwmon: (ntc_thermistor) Fix OF device ID mapping
to the 3.14-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-of-device-id-mapping.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ead82d6792ef5c600d535bca6ec50a4da14ff7c7 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 OF device ID mapping
From: Jean Delvare <jdelvare@xxxxxxx>
commit ead82d6792ef5c600d535bca6ec50a4da14ff7c7 upstream.
The mapping from OF device IDs to platform device IDs is wrong.
TYPE_NCPXXWB473 is 0, TYPE_NCPXXWL333 is 1, so
ntc_thermistor_id[TYPE_NCPXXWB473] is { "ncp15wb473", TYPE_NCPXXWB473 }
while
ntc_thermistor_id[TYPE_NCPXXWL333] is { "ncp18wb473", TYPE_NCPXXWB473 }.
So the name is wrong for all but the "ntc,ncp15wb473" entry, and the
type is wrong for the "ntc,ncp15wl333" entry.
So map the entries by index, it is neither elegant nor robust but at
least it is 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/ntc_thermistor.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -44,6 +44,7 @@ struct ntc_compensation {
unsigned int ohm;
};
+/* Order matters, ntc_match references the entries by index */
static const struct platform_device_id ntc_thermistor_id[] = {
{ "ncp15wb473", TYPE_NCPXXWB473 },
{ "ncp18wb473", TYPE_NCPXXWB473 },
@@ -163,15 +164,15 @@ static int ntc_adc_iio_read(struct ntc_t
static const struct of_device_id ntc_match[] = {
{ .compatible = "ntc,ncp15wb473",
- .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+ .data = &ntc_thermistor_id[0] },
{ .compatible = "ntc,ncp18wb473",
- .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+ .data = &ntc_thermistor_id[1] },
{ .compatible = "ntc,ncp21wb473",
- .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+ .data = &ntc_thermistor_id[2] },
{ .compatible = "ntc,ncp03wb473",
- .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+ .data = &ntc_thermistor_id[3] },
{ .compatible = "ntc,ncp15wl333",
- .data = &ntc_thermistor_id[TYPE_NCPXXWL333] },
+ .data = &ntc_thermistor_id[4] },
{ },
};
MODULE_DEVICE_TABLE(of, ntc_match);
Patches currently in stable-queue which might be from jdelvare@xxxxxxx are
queue-3.14/hwmon-ntc_thermistor-fix-dependencies.patch
queue-3.14/hwmon-ntc_thermistor-fix-of-device-id-mapping.patch
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