This is a note to let you know that I've just added the patch titled
ARM: dts: motorola-mapphone: Configure lower temperature passive cooling
to the 5.10-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:
arm-dts-motorola-mapphone-configure-lower-temperatur.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a3dcd8ff8bcfefb91b5145a816ab59551ffe9e5e
Author: Tony Lindgren <tony@xxxxxxxxxxx>
Date: Wed Dec 30 10:42:31 2020 +0200
ARM: dts: motorola-mapphone: Configure lower temperature passive cooling
[ Upstream commit 5c3db2d4d4ed747e714387362afe007e6ae5e2d3 ]
The current cooling device temperature is too high at 100C as we have a
battery on the device right next to the SoC as pointed out by Carl Philipp
Klemm <philipp@xxxxxxxx>. Let's configure the max temperature to 80C.
As we only have a tshut interrupt and no talert interrupt on 4430, we have
a passive cooling device configured for 4430. However, we want the poll
interval to be 10 seconds instead of 1 second for power management. The
value of 10 seconds seems like plenty of time to notice the temperature
increase above the 75C temperatures. Having the bandgap temperature change
seems to take several tens of seconds because of heat dissipation above
75C range as monitored with a full CPU load.
Cc: Carl Philipp Klemm <philipp@xxxxxxxx>
Cc: Merlijn Wajer <merlijn@xxxxxxxxxx>
Cc: Pavel Machek <pavel@xxxxxx>
Cc: Sebastian Reichel <sre@xxxxxxxxxx>
Suggested-by: Carl Philipp Klemm <philipp@xxxxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Stable-dep-of: ac08bda1569b ("ARM: dts: ti: omap: motorola-mapphone: Fix abe_clkctrl warning on boot")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/arm/boot/dts/motorola-mapphone-common.dtsi b/arch/arm/boot/dts/motorola-mapphone-common.dtsi
index 5f8f77cfbe59f..807042a293d0a 100644
--- a/arch/arm/boot/dts/motorola-mapphone-common.dtsi
+++ b/arch/arm/boot/dts/motorola-mapphone-common.dtsi
@@ -192,6 +192,14 @@ backlight: backlight {
};
};
+&cpu_thermal {
+ polling-delay = <10000>; /* milliseconds */
+};
+
+&cpu_alert0 {
+ temperature = <80000>; /* millicelsius */
+};
+
&dss {
status = "okay";
};
