This is a note to let you know that I've just added the patch titled wifi: mt76: mt7915: rework mt7915_thermal_temp_store() to the 6.2-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: wifi-mt76-mt7915-rework-mt7915_thermal_temp_store.patch and it can be found in the queue-6.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 6b5655c5f6eb2bd97e277c80d17ee573d7fcc9dd Author: Howard Hsu <howard-yh.hsu@xxxxxxxxxxxx> Date: Wed Dec 14 10:28:08 2022 +0800 wifi: mt76: mt7915: rework mt7915_thermal_temp_store() [ Upstream commit ecaccdae7a7e8f76eeb6544295ca0593c2f65a33 ] Call mt7915_mcu_set_thermal_protect() through mt7915_thermal_temp_store() to update firmware trigger/restore temp directly. Fixes: 02ee68b95d81 ("mt76: mt7915: add control knobs for thermal throttling") Reviewed-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx> Signed-off-by: Howard Hsu <howard-yh.hsu@xxxxxxxxxxxx> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index 4c351bfd4b270..a80ae31e7abff 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -83,9 +83,23 @@ static ssize_t mt7915_thermal_temp_store(struct device *dev, mutex_lock(&phy->dev->mt76.mutex); val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 60, 130); + + if ((i - 1 == MT7915_CRIT_TEMP_IDX && + val > phy->throttle_temp[MT7915_MAX_TEMP_IDX]) || + (i - 1 == MT7915_MAX_TEMP_IDX && + val < phy->throttle_temp[MT7915_CRIT_TEMP_IDX])) { + dev_err(phy->dev->mt76.dev, + "temp1_max shall be greater than temp1_crit."); + return -EINVAL; + } + phy->throttle_temp[i - 1] = val; mutex_unlock(&phy->dev->mt76.mutex); + ret = mt7915_mcu_set_thermal_protect(phy); + if (ret) + return ret; + return count; } @@ -195,8 +209,8 @@ static int mt7915_thermal_init(struct mt7915_phy *phy) return PTR_ERR(hwmon); /* initialize critical/maximum high temperature */ - phy->throttle_temp[0] = 110; - phy->throttle_temp[1] = 120; + phy->throttle_temp[MT7915_CRIT_TEMP_IDX] = 110; + phy->throttle_temp[MT7915_MAX_TEMP_IDX] = 120; return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 855779f86bde0..e58650bbbd14a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -70,6 +70,9 @@ #define MT7915_WED_RX_TOKEN_SIZE 12288 +#define MT7915_CRIT_TEMP_IDX 0 +#define MT7915_MAX_TEMP_IDX 1 + struct mt7915_vif; struct mt7915_sta; struct mt7915_dfs_pulse;