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SubjectRe: [PATCH 2/7] thermal/drivers/qcom: Add new feat for soc without rpm
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Hi Dmitry,

On 8/29/2023 2:47 AM, Dmitry Baryshkov wrote:
> On Mon, 28 Aug 2023 at 22:20, Sricharan Ramabadhran
> <quic_srichara@quicinc.com> wrote:
>>
>> Some of the tsens IP like the one in IPQ5018 does not have a
>> RPM in the soc. Hence the early init to enable tsens would not
>
> Tsens IP doesn't have RPM. Please rephrase this.
>

ok.

>> be done. So add a flag for that in feat and skip enable checks.
>>
>> Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
>> ---
>> drivers/thermal/qcom/tsens.c | 2 +-
>> drivers/thermal/qcom/tsens.h | 3 +++
>> 2 files changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
>> index 98c356acfe98..f39495b61952 100644
>> --- a/drivers/thermal/qcom/tsens.c
>> +++ b/drivers/thermal/qcom/tsens.c
>> @@ -974,7 +974,7 @@ int __init init_common(struct tsens_priv *priv)
>> ret = regmap_field_read(priv->rf[TSENS_EN], &enabled);
>> if (ret)
>> goto err_put_device;
>> - if (!enabled) {
>> + if (!enabled && !(priv->feat->no_early_init)) {
>> dev_err(dev, "%s: device not enabled\n", __func__);
>> ret = -ENODEV;
>> goto err_put_device;
>> diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
>> index 2805de1c6827..fb73e3dd0de9 100644
>> --- a/drivers/thermal/qcom/tsens.h
>> +++ b/drivers/thermal/qcom/tsens.h
>> @@ -505,6 +505,8 @@ enum regfield_ids {
>> * @srot_split: does the IP neatly splits the register space into SROT and TM,
>> * with SROT only being available to secure boot firmware?
>> * @has_watchdog: does this IP support watchdog functionality?
>> + * @no_early_init: does this IP reside in a soc that does not have rpm to
>> + * do pre-init.
>> * @max_sensors: maximum sensors supported by this version of the IP
>> * @trip_min_temp: minimum trip temperature supported by this version of the IP
>> * @trip_max_temp: maximum trip temperature supported by this version of the IP
>> @@ -516,6 +518,7 @@ struct tsens_features {
>> unsigned int adc:1;
>> unsigned int srot_split:1;
>> unsigned int has_watchdog:1;
>> + unsigned int no_early_init:1;
>
> s/no_early_init/ignore_enable/
>

ok, will change.

Regards,
Sricharan

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