| From 41b7dbfd9d2dfc36ad681d500d3628d8a88d29a2 Mon Sep 17 00:00:00 2001 |
| From: Chris Paterson <chris.paterson2@renesas.com> |
| Date: Thu, 14 Dec 2017 09:08:40 +0000 |
| Subject: [PATCH 0723/1795] ARM: dts: r8a7791: Correct critical CPU temperature |
| MIME-Version: 1.0 |
| Content-Type: text/plain; charset=UTF-8 |
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| |
| The R-Car M2W hardware manual states that Tc = –40°C to +105°C. The |
| thermal sensor has an accuracy of ±5°C and there can be a temperature |
| difference of 1 or 2 degrees between Tjmax and the thermal sensor due |
| to the location of the latter. |
| |
| This means that 95°C is a safer value to use. |
| |
| Fixes: cac68a56e34b9810 ("ARM: dts: r8a7791: enable to use thermal-zone") |
| Signed-off-by: Chris Paterson <chris.paterson2@renesas.com> |
| Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| (cherry picked from commit e4fdf59bcce3b490bbc7197145bcb9f9d5a18cd3) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> |
| --- |
| arch/arm/boot/dts/r8a7791.dtsi | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi |
| index dfc1c406179f..008a260f86a5 100644 |
| --- a/arch/arm/boot/dts/r8a7791.dtsi |
| +++ b/arch/arm/boot/dts/r8a7791.dtsi |
| @@ -92,7 +92,7 @@ |
| |
| trips { |
| cpu-crit { |
| - temperature = <115000>; |
| + temperature = <95000>; |
| hysteresis = <0>; |
| type = "critical"; |
| }; |
| -- |
| 2.19.0 |
| |
