This is a note to let you know that I've just added the patch titled
thermal: armada: Update Armada 380 thermal sensor coefficients
to the 4.0-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:
thermal-armada-update-armada-380-thermal-sensor-coefficients.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From efa86858e1d8970411a140fa1e0c4dd18a8f2a89 Mon Sep 17 00:00:00 2001
From: Nadav Haklai <nadavh@xxxxxxxxxxx>
Date: Wed, 15 Apr 2015 19:08:08 +0200
Subject: thermal: armada: Update Armada 380 thermal sensor coefficients
From: Nadav Haklai <nadavh@xxxxxxxxxxx>
commit efa86858e1d8970411a140fa1e0c4dd18a8f2a89 upstream.
Improve the Armada 380 thermal sensor accuracy by using updated formula.
The updated formula is:
Temperature[C degrees] = 0.4761 * tsen_vsen_out - 279.1
Signed-off-by: Nadav Haklai <nadavh@xxxxxxxxxxx>
Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Eduardo Valentin <edubezval@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/thermal/armada_thermal.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/thermal/armada_thermal.c
+++ b/drivers/thermal/armada_thermal.c
@@ -224,9 +224,9 @@ static const struct armada_thermal_data
.is_valid_shift = 10,
.temp_shift = 0,
.temp_mask = 0x3ff,
- .coef_b = 1169498786UL,
- .coef_m = 2000000UL,
- .coef_div = 4289,
+ .coef_b = 2931108200UL,
+ .coef_m = 5000000UL,
+ .coef_div = 10502,
.inverted = true,
};
Patches currently in stable-queue which might be from nadavh@xxxxxxxxxxx are
queue-4.0/thermal-armada-update-armada-380-thermal-sensor-coefficients.patch
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