ARM: dts: r8a7793: Correct critical CPU temperature
authorChris Paterson <chris.paterson2@renesas.com>
Thu, 14 Dec 2017 09:08:41 +0000 (09:08 +0000)
committerSimon Horman <horms+renesas@verge.net.au>
Mon, 18 Dec 2017 11:14:48 +0000 (12:14 +0100)
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>
arch/arm/boot/dts/r8a7793.dtsi

index a83c2e9..dbc62e6 100644 (file)
@@ -89,7 +89,7 @@
 
                        trips {
                                cpu-crit {
-                                       temperature     = <115000>;
+                                       temperature     = <95000>;
                                        hysteresis      = <0>;
                                        type            = "critical";
                                };