linux-kernel - [PATCH 4.11 174/197] thermal: mt8173: minor mtk

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Date:   Tue, 23 May 2017 22:08:55 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Matthias Brugger <matthias.bgg@...il.com>,
        Dawei Chien <dawei.chien@...iatek.com>,
        Eduardo Valentin <edubezval@...il.com>
Subject: [PATCH 4.11 174/197] thermal: mt8173: minor mtk_thermal.c cleanups

4.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dawei Chien <dawei.chien@...iatek.com>

commit 05d7839aa290901429d8edcd8f7974c9df2bcaa5 upstream.

If thermal bank with 4 sensors, thermal driver should read TEMP_MSR3.

However, currently thermal driver would not read TEMP_MSR3 since mt8173
thermal driver only use 3 sensors on each thermal bank at the same time,
so this patch would not effect temperature.
Only if mt mt8173 thermal driver use 4 sensors on any thermal bank, would
read third sensor two times, and lose fourth sensor of vale.

Fixes: b7cf0053738c ("thermal: Add Mediatek thermal driver for mt2701.")
Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>
Signed-off-by: Dawei Chien <dawei.chien@...iatek.com>
Signed-off-by: Eduardo Valentin <edubezval@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/thermal/mtk_thermal.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/thermal/mtk_thermal.c
+++ b/drivers/thermal/mtk_thermal.c
@@ -191,7 +191,7 @@ static const int mt8173_bank_data[MT8173
 };
 
 static const int mt8173_msr[MT8173_NUM_SENSORS_PER_ZONE] = {
-	TEMP_MSR0, TEMP_MSR1, TEMP_MSR2, TEMP_MSR2
+	TEMP_MSR0, TEMP_MSR1, TEMP_MSR2, TEMP_MSR3
 };
 
 static const int mt8173_adcpnp[MT8173_NUM_SENSORS_PER_ZONE] = {