On 2/2/21 2:15 PM, Cristian Marussi wrote:
> Port driver to the new SCMI Sensor interface based on protocol handles
> and common devm_get_ops().
> 
> Cc: Guenter Roeck <li...@roeck-us.net>
> Cc: Jean Delvare <jdelv...@suse.com>
> Signed-off-by: Cristian Marussi <cristian.maru...@arm.com>

Assuming this will be handled with the series.

Acked-by: Guenter Roeck <li...@roeck-us.net>

> ---
> v4 --> v5
> - using renamed devm_get/put_protocol
> ---
>  drivers/hwmon/scmi-hwmon.c | 24 +++++++++++++++---------
>  1 file changed, 15 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/hwmon/scmi-hwmon.c b/drivers/hwmon/scmi-hwmon.c
> index 17d064e58938..c5a260c6e3c6 100644
> --- a/drivers/hwmon/scmi-hwmon.c
> +++ b/drivers/hwmon/scmi-hwmon.c
> @@ -2,7 +2,7 @@
>  /*
>   * System Control and Management Interface(SCMI) based hwmon sensor driver
>   *
> - * Copyright (C) 2018 ARM Ltd.
> + * Copyright (C) 2018-2020 ARM Ltd.
>   * Sudeep Holla <sudeep.ho...@arm.com>
>   */
>  
> @@ -13,8 +13,10 @@
>  #include <linux/sysfs.h>
>  #include <linux/thermal.h>
>  
> +static const struct scmi_sensor_proto_ops *sensor_ops;
> +
>  struct scmi_sensors {
> -     const struct scmi_handle *handle;
> +     const struct scmi_protocol_handle *ph;
>       const struct scmi_sensor_info **info[hwmon_max];
>  };
>  
> @@ -69,10 +71,9 @@ static int scmi_hwmon_read(struct device *dev, enum 
> hwmon_sensor_types type,
>       u64 value;
>       const struct scmi_sensor_info *sensor;
>       struct scmi_sensors *scmi_sensors = dev_get_drvdata(dev);
> -     const struct scmi_handle *h = scmi_sensors->handle;
>  
>       sensor = *(scmi_sensors->info[type] + channel);
> -     ret = h->sensor_ops->reading_get(h, sensor->id, &value);
> +     ret = sensor_ops->reading_get(scmi_sensors->ph, sensor->id, &value);
>       if (ret)
>               return ret;
>  
> @@ -169,11 +170,16 @@ static int scmi_hwmon_probe(struct scmi_device *sdev)
>       struct hwmon_channel_info *scmi_hwmon_chan;
>       const struct hwmon_channel_info **ptr_scmi_ci;
>       const struct scmi_handle *handle = sdev->handle;
> +     struct scmi_protocol_handle *ph;
>  
> -     if (!handle || !handle->sensor_ops)
> +     if (!handle)
>               return -ENODEV;
>  
> -     nr_sensors = handle->sensor_ops->count_get(handle);
> +     sensor_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_SENSOR, &ph);
> +     if (IS_ERR(sensor_ops))
> +             return PTR_ERR(sensor_ops);
> +
> +     nr_sensors = sensor_ops->count_get(ph);
>       if (!nr_sensors)
>               return -EIO;
>  
> @@ -181,10 +187,10 @@ static int scmi_hwmon_probe(struct scmi_device *sdev)
>       if (!scmi_sensors)
>               return -ENOMEM;
>  
> -     scmi_sensors->handle = handle;
> +     scmi_sensors->ph = ph;
>  
>       for (i = 0; i < nr_sensors; i++) {
> -             sensor = handle->sensor_ops->info_get(handle, i);
> +             sensor = sensor_ops->info_get(ph, i);
>               if (!sensor)
>                       return -EINVAL;
>  
> @@ -236,7 +242,7 @@ static int scmi_hwmon_probe(struct scmi_device *sdev)
>       }
>  
>       for (i = nr_sensors - 1; i >= 0 ; i--) {
> -             sensor = handle->sensor_ops->info_get(handle, i);
> +             sensor = sensor_ops->info_get(ph, i);
>               if (!sensor)
>                       continue;
>  
> 

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