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thermal/drivers/mediatek: Add the Low Voltage Thermal Sensor driver The Low Voltage Thermal Sensor (LVTS) is a multiple sensors, multi controllers contained in a thermal domain. A thermal domains can be the MCU or the AP. Each thermal domains contain up to seven controllers, each thermal controller handle up to four thermal sensors. The LVTS has two Finite State Machines (FSM), one to handle the functionin temperatures range like hot or cold temperature and another one to handle monitoring trip point. The FSM notifies via interrupts when a trip point is crossed. The interrupt is managed at the thermal controller level, so when an interrupt occurs, the driver has to find out which sensor triggered such an interrupt. The sampling of the thermal can be filtered or immediate. For the former, the LVTS measures several points and applies a low pass filter. Signed-off-by: Balsam CHIHI <bchihi@baylibre.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> On MT8195 Tomato Chromebook: Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20230209105628.50294-5-bchihi@baylibre.com Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 3 年前 | |
thermal/drivers/mediatek: Add the Low Voltage Thermal Sensor driver The Low Voltage Thermal Sensor (LVTS) is a multiple sensors, multi controllers contained in a thermal domain. A thermal domains can be the MCU or the AP. Each thermal domains contain up to seven controllers, each thermal controller handle up to four thermal sensors. The LVTS has two Finite State Machines (FSM), one to handle the functionin temperatures range like hot or cold temperature and another one to handle monitoring trip point. The FSM notifies via interrupts when a trip point is crossed. The interrupt is managed at the thermal controller level, so when an interrupt occurs, the driver has to find out which sensor triggered such an interrupt. The sampling of the thermal can be filtered or immediate. For the former, the LVTS measures several points and applies a low pass filter. Signed-off-by: Balsam CHIHI <bchihi@baylibre.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> On MT8195 Tomato Chromebook: Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20230209105628.50294-5-bchihi@baylibre.com Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 3 年前 | |
thermal/drivers/mediatek: Fix control buffer enablement on MT7896 stable inclusion from stable-6.6.24 commit fe750e2744428be6aec7395b13df3b34381ce6b6 category: bugfix issue: #IAWBMF CVE: NA Signed-off-by: zyf1116 <zhouyongfei3@huawei.com> --------------------------------------- [ 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@vger.kernel.org Fixes: 33140e668b10 ("thermal/drivers/mediatek: Control buffer enablement tweaks") Signed-off-by: Frank Wunderlich <frank-w@public-files.de> Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com> Reviewed-by: Daniel Golle <daniel@makrotopia.org> Tested-by: Daniel Golle <daniel@makrotopia.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20230907112018.52811-1-linux@fw-web.de Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: zyf1116 <zhouyongfei3@huawei.com> | 1 年前 | |
thermal/drivers/mediatek/lvts_thermal: Check NULL ptr on lvts_data stable inclusion from stable-6.6.39 commit 79ef1a5593fdb8aa4dbccf6085c48f1739338bc9 category: bugfix issue: #IB7W7N CVE: NA Signed-off-by: zhangshuqi <zhangshuqi3@huawei.com> --------------------------------------- [ Upstream commit a1191a77351e25ddf091bb1a231cae12ee598b5d ] Verify that lvts_data is not NULL before using it. Signed-off-by: Julien Panis <jpanis@baylibre.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20240502-mtk-thermal-lvts-data-v1-1-65f1b0bfad37@baylibre.com Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: zhangshuqi <zhangshuqi3@huawei.com> | 1 年前 |
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