Re: [PATCH 2/7] thermal/drivers/qcom: Add new feat for soc without rpm

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On Mon, 28 Aug 2023 at 22:20, Sricharan Ramabadhran
<quic_srichara@xxxxxxxxxxx> 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.

> be done. So add a flag for that in feat and skip enable checks.
>
> Signed-off-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>
> ---
>  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/

>         unsigned int max_sensors;
>         int trip_min_temp;
>         int trip_max_temp;
> --
> 2.34.1
>


-- 
With best wishes
Dmitry



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