| Message ID | 20210603110042.21688-1-ben.tseng@mediatek.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v8] thermal: mediatek: add another get_temp ops for thermal sensors | expand |
On 03/06/2021 13:00, Ben Tseng wrote: > From: Michael Kao <michael.kao@mediatek.com> > > Provide thermal zone to read thermal sensor > in the SoC. We can read all the thermal sensors > value in the SoC by the node /sys/class/thermal/ > > In mtk_thermal_bank_temperature, return -EAGAIN instead of -EACCESS > on the first read of sensor that often are bogus values. > This can avoid following warning on boot: > > thermal thermal_zone6: failed to read out thermal zone (-13) > > Signed-off-by: Michael Kao <michael.kao@mediatek.com> > Signed-off-by: Ben Tseng <ben.tseng@mediatek.com> > > --- > > This patchset supports for MT8183 chip to mtk_thermal.c. > Add thermal zone of all the thermal sensor in SoC for > another get temperatrue. They don't need to thermal throttle. > And we bind coolers for thermal zone nodes of cpu_thermal. > > Changes in V8: > - Rebase to kernel-v5.13-rc1 > - Resend > > Changes in v7: > - Fix build error in v6. > > Changes in v6: > - Rebase to kernel-5.11-rc1. > - [1/3] > - add interrupts property. > - [2/3] > - add the Tested-by in the commit message. > - [3/3] > - use the mt->conf->msr[id] instead of conf->msr[id] in the > _get_sensor_temp and mtk_thermal_bank_temperature. > - remove the redundant space in _get_sensor_temp and > mtk_read_sensor_temp. > - change kmalloc to dev_kmalloc in mtk_thermal_probe. > > Changes in v5: > - Rebase to kernel-5.9-rc1. > - Revise the title of cover letter. > - Drop "[v4,7/7] thermal: mediatek: use spinlock to protect PTPCORESEL" > - [2/2] > - Add the judgement to the version of raw_to_mcelsius. > > Changes in v4: > - Rebase to kernel-5.6-rc1. > - [1/7] > - Squash thermal zone settings in the dtsi from [v3,5/8] > arm64: dts: mt8183: Increase polling frequency for CPU thermal zone. > - Remove the property of interrupts and mediatek,hw-reset-temp. > - [2/7] > - Correct commit message. > - [4/7] > - Change the target temperature to the 80C and change the commit message. > - [6/7] > - Adjust newline alignment. > - Fix the judgement on the return value of registering thermal zone. > > Changes in v3: > - Rebase to kernel-5.5-rc1. > - [1/8] > - Update sustainable power of cpu, tzts1~5 and tztsABB. > - [7/8] > - Bypass the failure that non cpu_thermal sensor is not find in thermal-zones > in dts, which is normal for mt8173, so prompt a warning here instead of > failing. > > Return -EAGAIN instead of -EACCESS on the first read of sensor that > often are bogus values. This can avoid following warning on boot: > > thermal thermal_zone6: failed to read out thermal zone (-13) > > Changes in v2: > - [1/8] > - Add the sustainable-power,trips,cooling-maps to the tzts1~tztsABB. > - [4/8] > - Add the min opp of cpu throttle. > > Matthias Kaehlcke (1): > arm64: dts: mt8183: Configure CPU cooling > > Michael Kao (2): > thermal: mediatek: add another get_temp ops for thermal sensors > arm64: dts: mt8183: add thermal zone node > --- > drivers/thermal/mtk_thermal.c | 100 +++++++++++++++++++++++++++++++----------- > 1 file changed, 75 insertions(+), 25 deletions(-) > > diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c > index 97e8678..b6bee451 100644 > --- a/drivers/thermal/mtk_thermal.c > +++ b/drivers/thermal/mtk_thermal.c > @@ -245,6 +245,11 @@ enum mtk_thermal_version { > > struct mtk_thermal; > > +struct mtk_thermal_zone { > + struct mtk_thermal *mt; > + int id; > +}; How does it differ from 'struct mtk_thermal_bank' ? > struct thermal_bank_cfg { > unsigned int num_sensors; > const int *sensors; > @@ -637,6 +642,30 @@ static void mtk_thermal_put_bank(struct mtk_thermal_bank *bank) > mutex_unlock(&mt->lock); > } > > +static u32 _get_sensor_temp(struct mtk_thermal *mt, int id) > +{ > + u32 raw; > + int temp; > + > + raw = readl(mt->thermal_base + mt->conf->msr[id]); > + > + if (mt->conf->version == MTK_THERMAL_V1) > + temp = raw_to_mcelsius_v1(mt, id, raw); > + else > + temp = raw_to_mcelsius_v2(mt, id, raw); Please add the proper conversion function as a callback and set it at probe time, instead of checking at every call. > + /* > + * The first read of a sensor often contains very high bogus > + * temperature value. Filter these out so that the system does > + * not immediately shut down. > + */ If it happens only once, why not call this function at probe time so this test won't be needed. > + if (temp > 200000) > + return -EAGAIN; > + else > + return temp; > +} > + > /** > * mtk_thermal_bank_temperature - get the temperature of a bank > * @bank: The bank > @@ -647,28 +676,11 @@ static void mtk_thermal_put_bank(struct mtk_thermal_bank *bank) > static int mtk_thermal_bank_temperature(struct mtk_thermal_bank *bank) > { > struct mtk_thermal *mt = bank->mt; > - const struct mtk_thermal_data *conf = mt->conf; > int i, temp = INT_MIN, max = INT_MIN; > - u32 raw; > - > - for (i = 0; i < conf->bank_data[bank->id].num_sensors; i++) { > - raw = readl(mt->thermal_base + conf->msr[i]); > > - if (mt->conf->version == MTK_THERMAL_V1) { > - temp = raw_to_mcelsius_v1( > - mt, conf->bank_data[bank->id].sensors[i], raw); > - } else { > - temp = raw_to_mcelsius_v2( > - mt, conf->bank_data[bank->id].sensors[i], raw); > - } > + for (i = 0; i < mt->conf->bank_data[bank->id].num_sensors; i++) { > > - /* > - * The first read of a sensor often contains very high bogus > - * temperature value. Filter these out so that the system does > - * not immediately shut down. > - */ > - if (temp > 200000) > - temp = 0; > + temp = _get_sensor_temp(mt, i); > > if (temp > max) > max = temp; > @@ -679,7 +691,8 @@ static int mtk_thermal_bank_temperature(struct mtk_thermal_bank *bank) > > static int mtk_read_temp(void *data, int *temperature) > { > - struct mtk_thermal *mt = data; > + struct mtk_thermal_zone *tz = data; > + struct mtk_thermal *mt = tz->mt; > int i; > int tempmax = INT_MIN; > > @@ -698,10 +711,28 @@ static int mtk_read_temp(void *data, int *temperature) > return 0; > } > > +static int mtk_read_sensor_temp(void *data, int *temperature) > +{ > + struct mtk_thermal_zone *tz = data; > + struct mtk_thermal *mt = tz->mt; > + int id = tz->id - 1; > + > + if (id < 0) > + return -EACCES; How this can happen ? > + > + *temperature = _get_sensor_temp(mt, id); > + > + return 0; > +} > + > static const struct thermal_zone_of_device_ops mtk_thermal_ops = { > .get_temp = mtk_read_temp, > }; > > +static const struct thermal_zone_of_device_ops mtk_thermal_sensor_ops = { > + .get_temp = mtk_read_sensor_temp, > +}; > + > static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num, > u32 apmixed_phys_base, u32 auxadc_phys_base, > int ctrl_id) > @@ -992,6 +1023,7 @@ static int mtk_thermal_probe(struct platform_device *pdev) > u64 auxadc_phys_base, apmixed_phys_base; > struct thermal_zone_device *tzdev; > void __iomem *apmixed_base, *auxadc_base; > + struct mtk_thermal_zone *tz; > > mt = devm_kzalloc(&pdev->dev, sizeof(*mt), GFP_KERNEL); > if (!mt) > @@ -1080,11 +1112,29 @@ static int mtk_thermal_probe(struct platform_device *pdev) > > platform_set_drvdata(pdev, mt); > > - tzdev = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, mt, > - &mtk_thermal_ops); > - if (IS_ERR(tzdev)) { > - ret = PTR_ERR(tzdev); > - goto err_disable_clk_peri_therm; > + for (i = 0; i < mt->conf->num_sensors + 1; i++) { > + tz = devm_kmalloc(&pdev->dev, sizeof(*tz), GFP_KERNEL); > + if (!tz) > + return -ENOMEM; > + > + tz->mt = mt; > + tz->id = i; > + > + tzdev = devm_thermal_zone_of_sensor_register(&pdev->dev, i, tz, (i == 0) ? > + &mtk_thermal_ops : > + &mtk_thermal_sensor_ops); > + > + if (IS_ERR(tzdev)) { > + if (PTR_ERR(tzdev) == -ENODEV) { > + dev_warn(&pdev->dev, > + "sensor %d not registered in thermal zone in dt\n", i); > + continue; > + } > + if (PTR_ERR(tzdev) == -EACCES) { > + ret = PTR_ERR(tzdev); > + goto err_disable_clk_peri_therm; > + } If the error is none of the above, the loop continues. Is that what you want ? > + } > } > > return 0; >
Dear Daniel, Sorry for the late reply On Mon, 2021-06-14 at 18:58 +0200, Daniel Lezcano wrote: > On 03/06/2021 13:00, Ben Tseng wrote: > > From: Michael Kao <michael.kao@mediatek.com> > > > > Provide thermal zone to read thermal sensor > > in the SoC. We can read all the thermal sensors > > value in the SoC by the node /sys/class/thermal/ > > > > In mtk_thermal_bank_temperature, return -EAGAIN instead of -EACCESS > > on the first read of sensor that often are bogus values. > > This can avoid following warning on boot: > > > > thermal thermal_zone6: failed to read out thermal zone (-13) > > > > Signed-off-by: Michael Kao <michael.kao@mediatek.com> > > Signed-off-by: Ben Tseng <ben.tseng@mediatek.com> > > > > --- > > > > This patchset supports for MT8183 chip to mtk_thermal.c. > > Add thermal zone of all the thermal sensor in SoC for > > another get temperatrue. They don't need to thermal throttle. > > And we bind coolers for thermal zone nodes of cpu_thermal. > > > > Changes in V8: > > - Rebase to kernel-v5.13-rc1 > > - Resend > > > > Changes in v7: > > - Fix build error in v6. > > > > Changes in v6: > > - Rebase to kernel-5.11-rc1. > > - [1/3] > > - add interrupts property. > > - [2/3] > > - add the Tested-by in the commit message. > > - [3/3] > > - use the mt->conf->msr[id] instead of conf->msr[id] in the > > _get_sensor_temp and mtk_thermal_bank_temperature. > > - remove the redundant space in _get_sensor_temp and > > mtk_read_sensor_temp. > > - change kmalloc to dev_kmalloc in mtk_thermal_probe. > > > > Changes in v5: > > - Rebase to kernel-5.9-rc1. > > - Revise the title of cover letter. > > - Drop "[v4,7/7] thermal: mediatek: use spinlock to protect > > PTPCORESEL" > > - [2/2] > > - Add the judgement to the version of raw_to_mcelsius. > > > > Changes in v4: > > - Rebase to kernel-5.6-rc1. > > - [1/7] > > - Squash thermal zone settings in the dtsi from [v3,5/8] > > arm64: dts: mt8183: Increase polling frequency for CPU > > thermal zone. > > - Remove the property of interrupts and mediatek,hw-reset- > > temp. > > - [2/7] > > - Correct commit message. > > - [4/7] > > - Change the target temperature to the 80C and change the > > commit message. > > - [6/7] > > - Adjust newline alignment. > > - Fix the judgement on the return value of registering > > thermal zone. > > > > Changes in v3: > > - Rebase to kernel-5.5-rc1. > > - [1/8] > > - Update sustainable power of cpu, tzts1~5 and tztsABB. > > - [7/8] > > - Bypass the failure that non cpu_thermal sensor is not > > find in thermal-zones > > in dts, which is normal for mt8173, so prompt a warning > > here instead of > > failing. > > > > Return -EAGAIN instead of -EACCESS on the first read of sensor > > that > > often are bogus values. This can avoid following warning on > > boot: > > > > thermal thermal_zone6: failed to read out thermal zone (- > > 13) > > > > Changes in v2: > > - [1/8] > > - Add the sustainable-power,trips,cooling-maps to the > > tzts1~tztsABB. > > - [4/8] > > - Add the min opp of cpu throttle. > > > > Matthias Kaehlcke (1): > > arm64: dts: mt8183: Configure CPU cooling > > > > Michael Kao (2): > > thermal: mediatek: add another get_temp ops for thermal sensors > > arm64: dts: mt8183: add thermal zone node > > --- > > drivers/thermal/mtk_thermal.c | 100 > > +++++++++++++++++++++++++++++++----------- > > 1 file changed, 75 insertions(+), 25 deletions(-) > > > > diff --git a/drivers/thermal/mtk_thermal.c > > b/drivers/thermal/mtk_thermal.c > > index 97e8678..b6bee451 100644 > > --- a/drivers/thermal/mtk_thermal.c > > +++ b/drivers/thermal/mtk_thermal.c > > @@ -245,6 +245,11 @@ enum mtk_thermal_version { > > > > struct mtk_thermal; > > > > +struct mtk_thermal_zone { > > + struct mtk_thermal *mt; > > + int id; > > +}; > > How does it differ from 'struct mtk_thermal_bank' ? "truct mtk_thermal_zone" is duplicated. It will be removed next version > > > struct thermal_bank_cfg { > > unsigned int num_sensors; > > const int *sensors; > > @@ -637,6 +642,30 @@ static void mtk_thermal_put_bank(struct > > mtk_thermal_bank *bank) > > mutex_unlock(&mt->lock); > > } > > > > +static u32 _get_sensor_temp(struct mtk_thermal *mt, int id) > > +{ > > + u32 raw; > > + int temp; > > + > > + raw = readl(mt->thermal_base + mt->conf->msr[id]); > > + > > + if (mt->conf->version == MTK_THERMAL_V1) > > + temp = raw_to_mcelsius_v1(mt, id, raw); > > + else > > + temp = raw_to_mcelsius_v2(mt, id, raw); > > Please add the proper conversion function as a callback and set it at > probe time, instead of checking at every call. > Thanks for your advisement. V1 or V2 will be assigned to a function pointer during probe. > > + /* > > + * The first read of a sensor often contains very high bogus > > + * temperature value. Filter these out so that the system does > > + * not immediately shut down. > > + */ > > If it happens only once, why not call this function at probe time so > this test won't be needed. > It's exist in previous upstream version, and old chips should be compatible. So we need to keep this filter to avoid wrong sensor reading. > > + if (temp > 200000) > > + return -EAGAIN; > > + else > > + return temp; > > +} > > + > > /** > > * mtk_thermal_bank_temperature - get the temperature of a bank > > * @bank: The bank > > @@ -647,28 +676,11 @@ static void mtk_thermal_put_bank(struct > > mtk_thermal_bank *bank) > > static int mtk_thermal_bank_temperature(struct mtk_thermal_bank > > *bank) > > { > > struct mtk_thermal *mt = bank->mt; > > - const struct mtk_thermal_data *conf = mt->conf; > > int i, temp = INT_MIN, max = INT_MIN; > > - u32 raw; > > - > > - for (i = 0; i < conf->bank_data[bank->id].num_sensors; i++) { > > - raw = readl(mt->thermal_base + conf->msr[i]); > > > > - if (mt->conf->version == MTK_THERMAL_V1) { > > - temp = raw_to_mcelsius_v1( > > - mt, conf->bank_data[bank- > > >id].sensors[i], raw); > > - } else { > > - temp = raw_to_mcelsius_v2( > > - mt, conf->bank_data[bank- > > >id].sensors[i], raw); > > - } > > + for (i = 0; i < mt->conf->bank_data[bank->id].num_sensors; i++) > > { > > > > - /* > > - * The first read of a sensor often contains very high > > bogus > > - * temperature value. Filter these out so that the > > system does > > - * not immediately shut down. > > - */ > > - if (temp > 200000) > > - temp = 0; > > + temp = _get_sensor_temp(mt, i); > > > > if (temp > max) > > max = temp; > > @@ -679,7 +691,8 @@ static int mtk_thermal_bank_temperature(struct > > mtk_thermal_bank *bank) > > > > static int mtk_read_temp(void *data, int *temperature) > > { > > - struct mtk_thermal *mt = data; > > + struct mtk_thermal_zone *tz = data; > > + struct mtk_thermal *mt = tz->mt; > > int i; > > int tempmax = INT_MIN; > > > > @@ -698,10 +711,28 @@ static int mtk_read_temp(void *data, int > > *temperature) > > return 0; > > } > > > > +static int mtk_read_sensor_temp(void *data, int *temperature) > > +{ > > + struct mtk_thermal_zone *tz = data; > > + struct mtk_thermal *mt = tz->mt; > > + int id = tz->id - 1; > > + > > + if (id < 0) > > + return -EACCES; > > How this can happen ? > tz->id > 0 is always true. It will be removed in next version. > > > > + *temperature = _get_sensor_temp(mt, id); > > + > > + return 0; > > +} > > + > > static const struct thermal_zone_of_device_ops mtk_thermal_ops = { > > .get_temp = mtk_read_temp, > > }; > > > > +static const struct thermal_zone_of_device_ops > > mtk_thermal_sensor_ops = { > > + .get_temp = mtk_read_sensor_temp, > > +}; > > + > > static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num, > > u32 apmixed_phys_base, u32 > > auxadc_phys_base, > > int ctrl_id) > > @@ -992,6 +1023,7 @@ static int mtk_thermal_probe(struct > > platform_device *pdev) > > u64 auxadc_phys_base, apmixed_phys_base; > > struct thermal_zone_device *tzdev; > > void __iomem *apmixed_base, *auxadc_base; > > + struct mtk_thermal_zone *tz; > > > > mt = devm_kzalloc(&pdev->dev, sizeof(*mt), GFP_KERNEL); > > if (!mt) > > @@ -1080,11 +1112,29 @@ static int mtk_thermal_probe(struct > > platform_device *pdev) > > > > platform_set_drvdata(pdev, mt); > > > > - tzdev = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, mt, > > - &mtk_thermal_ops); > > - if (IS_ERR(tzdev)) { > > - ret = PTR_ERR(tzdev); > > - goto err_disable_clk_peri_therm; > > + for (i = 0; i < mt->conf->num_sensors + 1; i++) { > > + tz = devm_kmalloc(&pdev->dev, sizeof(*tz), GFP_KERNEL); > > + if (!tz) > > + return -ENOMEM; > > + > > + tz->mt = mt; > > + tz->id = i; > > + > > + tzdev = devm_thermal_zone_of_sensor_register(&pdev- > > >dev, i, tz, (i == 0) ? > > + &mtk_therm > > al_ops : > > + &mtk_therm > > al_sensor_ops); > > + > > + if (IS_ERR(tzdev)) { > > + if (PTR_ERR(tzdev) == -ENODEV) { > > + dev_warn(&pdev->dev, > > + "sensor %d not registered in > > thermal zone in dt\n", i); > > + continue; > > + } > > + if (PTR_ERR(tzdev) == -EACCES) { > > + ret = PTR_ERR(tzdev); > > + goto err_disable_clk_peri_therm; > > + } > > If the error is none of the above, the loop continues. Is that what > you > want ? Next version, As soon as thermal zone register fail, break and return. > > + } > > } > > > > return 0; > > > >
diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c index 97e8678..b6bee451 100644 --- a/drivers/thermal/mtk_thermal.c +++ b/drivers/thermal/mtk_thermal.c @@ -245,6 +245,11 @@ enum mtk_thermal_version { struct mtk_thermal; +struct mtk_thermal_zone { + struct mtk_thermal *mt; + int id; +}; + struct thermal_bank_cfg { unsigned int num_sensors; const int *sensors; @@ -637,6 +642,30 @@ static void mtk_thermal_put_bank(struct mtk_thermal_bank *bank) mutex_unlock(&mt->lock); } +static u32 _get_sensor_temp(struct mtk_thermal *mt, int id) +{ + u32 raw; + int temp; + + raw = readl(mt->thermal_base + mt->conf->msr[id]); + + if (mt->conf->version == MTK_THERMAL_V1) + temp = raw_to_mcelsius_v1(mt, id, raw); + else + temp = raw_to_mcelsius_v2(mt, id, raw); + + /* + * The first read of a sensor often contains very high bogus + * temperature value. Filter these out so that the system does + * not immediately shut down. + */ + + if (temp > 200000) + return -EAGAIN; + else + return temp; +} + /** * mtk_thermal_bank_temperature - get the temperature of a bank * @bank: The bank @@ -647,28 +676,11 @@ static void mtk_thermal_put_bank(struct mtk_thermal_bank *bank) static int mtk_thermal_bank_temperature(struct mtk_thermal_bank *bank) { struct mtk_thermal *mt = bank->mt; - const struct mtk_thermal_data *conf = mt->conf; int i, temp = INT_MIN, max = INT_MIN; - u32 raw; - - for (i = 0; i < conf->bank_data[bank->id].num_sensors; i++) { - raw = readl(mt->thermal_base + conf->msr[i]); - if (mt->conf->version == MTK_THERMAL_V1) { - temp = raw_to_mcelsius_v1( - mt, conf->bank_data[bank->id].sensors[i], raw); - } else { - temp = raw_to_mcelsius_v2( - mt, conf->bank_data[bank->id].sensors[i], raw); - } + for (i = 0; i < mt->conf->bank_data[bank->id].num_sensors; i++) { - /* - * The first read of a sensor often contains very high bogus - * temperature value. Filter these out so that the system does - * not immediately shut down. - */ - if (temp > 200000) - temp = 0; + temp = _get_sensor_temp(mt, i); if (temp > max) max = temp; @@ -679,7 +691,8 @@ static int mtk_thermal_bank_temperature(struct mtk_thermal_bank *bank) static int mtk_read_temp(void *data, int *temperature) { - struct mtk_thermal *mt = data; + struct mtk_thermal_zone *tz = data; + struct mtk_thermal *mt = tz->mt; int i; int tempmax = INT_MIN; @@ -698,10 +711,28 @@ static int mtk_read_temp(void *data, int *temperature) return 0; } +static int mtk_read_sensor_temp(void *data, int *temperature) +{ + struct mtk_thermal_zone *tz = data; + struct mtk_thermal *mt = tz->mt; + int id = tz->id - 1; + + if (id < 0) + return -EACCES; + + *temperature = _get_sensor_temp(mt, id); + + return 0; +} + static const struct thermal_zone_of_device_ops mtk_thermal_ops = { .get_temp = mtk_read_temp, }; +static const struct thermal_zone_of_device_ops mtk_thermal_sensor_ops = { + .get_temp = mtk_read_sensor_temp, +}; + static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num, u32 apmixed_phys_base, u32 auxadc_phys_base, int ctrl_id) @@ -992,6 +1023,7 @@ static int mtk_thermal_probe(struct platform_device *pdev) u64 auxadc_phys_base, apmixed_phys_base; struct thermal_zone_device *tzdev; void __iomem *apmixed_base, *auxadc_base; + struct mtk_thermal_zone *tz; mt = devm_kzalloc(&pdev->dev, sizeof(*mt), GFP_KERNEL); if (!mt) @@ -1080,11 +1112,29 @@ static int mtk_thermal_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mt); - tzdev = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, mt, - &mtk_thermal_ops); - if (IS_ERR(tzdev)) { - ret = PTR_ERR(tzdev); - goto err_disable_clk_peri_therm; + for (i = 0; i < mt->conf->num_sensors + 1; i++) { + tz = devm_kmalloc(&pdev->dev, sizeof(*tz), GFP_KERNEL); + if (!tz) + return -ENOMEM; + + tz->mt = mt; + tz->id = i; + + tzdev = devm_thermal_zone_of_sensor_register(&pdev->dev, i, tz, (i == 0) ? + &mtk_thermal_ops : + &mtk_thermal_sensor_ops); + + if (IS_ERR(tzdev)) { + if (PTR_ERR(tzdev) == -ENODEV) { + dev_warn(&pdev->dev, + "sensor %d not registered in thermal zone in dt\n", i); + continue; + } + if (PTR_ERR(tzdev) == -EACCES) { + ret = PTR_ERR(tzdev); + goto err_disable_clk_peri_therm; + } + } } return 0;