4.14-stable review patch. If anyone has any objections, please let me know.
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From: Chris Paterson chris.paterson2@renesas.com
commit 1dfc65cef481ac6af64380f26186d5cc585b46eb upstream.
The R-Car M2N 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: 57f9156bc620ac56 ("ARM: dts: r8a7793: 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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/arm/boot/dts/r8a7793.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm/boot/dts/r8a7793.dtsi +++ b/arch/arm/boot/dts/r8a7793.dtsi @@ -88,7 +88,7 @@
trips { cpu-crit { - temperature = <115000>; + temperature = <95000>; hysteresis = <0>; type = "critical"; };