Re: [PATCH 14/15] hwmon: (scmi-hwmon) Match scmi device by both name and protocol id

[Guenter Roeck <linux@roeck-us.net>]

On Tue, Dec 10, 2019 at 02:53:44PM +0000, Sudeep Holla wrote:
> The scmi bus now has support to match the driver with devices not only
> based on their protocol id but also based on their device name if one is
> available. This was added to cater the need to support multiple devices
> and drivers for the same protocol.
> 
> Let us add the name "hwmon" to scmi_device_id table in the driver so
> that in matches only with device with the same name and protocol id
> SCMI_PROTOCOL_SENSOR. This will help to add IIO support in parallel if
> needed.

If you are planning to re-implement the driver as iio driver, it would
make more sense to drop the hwmon driver entirely and use the iio->hwmon
bridge to access the sensors as hwmon devices if needed.

Guenter

> 
> Cc: Jean Delvare <jdelvare@suse.com>
> Cc: Guenter Roeck <linux@roeck-us.net>
> Cc: linux-hwmon@vger.kernel.org
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
> ---
>  drivers/hwmon/scmi-hwmon.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hwmon/scmi-hwmon.c b/drivers/hwmon/scmi-hwmon.c
> index 8a7732c0bef3..286d3cfda7de 100644
> --- a/drivers/hwmon/scmi-hwmon.c
> +++ b/drivers/hwmon/scmi-hwmon.c
> @@ -259,7 +259,7 @@ static int scmi_hwmon_probe(struct scmi_device *sdev)
>  }
> 
>  static const struct scmi_device_id scmi_id_table[] = {
> -	{ SCMI_PROTOCOL_SENSOR },
> +	{ SCMI_PROTOCOL_SENSOR, "hwmon" },
>  	{ },
>  };
>  MODULE_DEVICE_TABLE(scmi, scmi_id_table);
> --
> 2.17.1
>