This is a note to let you know that I've just added the patch titled thermal/drivers/mediatek: Fix control buffer enablement on MT7896 to the 6.6-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: thermal-drivers-mediatek-fix-control-buffer-enableme.patch and it can be found in the queue-6.6 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 2ecc682d55ec6aff1bea06ad414232d8d606b4bf Author: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx> Date: Thu Sep 7 13:20:18 2023 +0200 thermal/drivers/mediatek: Fix control buffer enablement on MT7896 [ Upstream commit 371ed6263e2403068b359f0c07188548c2d70827 ] Reading thermal sensor on mt7986 devices returns invalid temperature: bpi-r3 ~ # cat /sys/class/thermal/thermal_zone0/temp -274000 Fix this by adding missing members in mtk_thermal_data struct which were used in mtk_thermal_turn_on_buffer after commit 33140e668b10. Cc: stable@xxxxxxxxxxxxxxx Fixes: 33140e668b10 ("thermal/drivers/mediatek: Control buffer enablement tweaks") Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx> Reviewed-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx> Reviewed-by: Daniel Golle <daniel@xxxxxxxxxxxxxx> Tested-by: Daniel Golle <daniel@xxxxxxxxxxxxxx> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230907112018.52811-1-linux@xxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/thermal/mediatek/auxadc_thermal.c b/drivers/thermal/mediatek/auxadc_thermal.c index 8b0edb2048443..9ee2e7283435a 100644 --- a/drivers/thermal/mediatek/auxadc_thermal.c +++ b/drivers/thermal/mediatek/auxadc_thermal.c @@ -690,6 +690,9 @@ static const struct mtk_thermal_data mt7986_thermal_data = { .adcpnp = mt7986_adcpnp, .sensor_mux_values = mt7986_mux_values, .version = MTK_THERMAL_V3, + .apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON1, + .apmixed_buffer_ctl_mask = GENMASK(31, 6) | BIT(3), + .apmixed_buffer_ctl_set = BIT(0), }; static bool mtk_thermal_temp_is_valid(int temp)