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From: <gregkh@linuxfoundation.org>
To: nadavh@marvell.com, edubezval@gmail.com,
	gregkh@linuxfoundation.org, gregory.clement@free-electrons.com
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "thermal: armada: Update Armada 380 thermal sensor coefficients" has been added to the 4.0-stable tree
Date: Wed, 03 Jun 2015 14:29:35 +0900	[thread overview]
Message-ID: <1433309375247142@kroah.com> (raw)


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@vger.kernel.org> know about it.


>From efa86858e1d8970411a140fa1e0c4dd18a8f2a89 Mon Sep 17 00:00:00 2001
From: Nadav Haklai <nadavh@marvell.com>
Date: Wed, 15 Apr 2015 19:08:08 +0200
Subject: thermal: armada: Update Armada 380 thermal sensor coefficients

From: Nadav Haklai <nadavh@marvell.com>

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@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 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@marvell.com are

queue-4.0/thermal-armada-update-armada-380-thermal-sensor-coefficients.patch

                 reply	other threads:[~2015-06-03  5:29 UTC|newest]

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