linux-kernel - Re: [PATCH 11/15] firmware: arm_scmi: Match scmi device by both name and protocol id

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Message-ID: <75b53cc5-1052-de65-dbd6-a2e32c7bed21@arm.com>
Date:   Wed, 11 Dec 2019 18:09:56 +0000
From:   Cristian Marussi <cristian.marussi@....com>
To:     Sudeep Holla <sudeep.holla@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 11/15] firmware: arm_scmi: Match scmi device by both name
 and protocol id

On 10/12/2019 14:53, 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 "genpd" to scmi_device_id table in the driver so
> that in matches only with device with the same name and protocol id
> SCMI_PROTOCOL_POWER.
> 
> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
> ---

>  drivers/firmware/arm_scmi/scmi_pm_domain.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/firmware/arm_scmi/scmi_pm_domain.c b/drivers/firmware/arm_scmi/scmi_pm_domain.c
> index 87f737e01473..bafbfe358f97 100644
> --- a/drivers/firmware/arm_scmi/scmi_pm_domain.c
> +++ b/drivers/firmware/arm_scmi/scmi_pm_domain.c
> @@ -112,7 +112,7 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev)
>  }
> 
>  static const struct scmi_device_id scmi_id_table[] = {
> -	{ SCMI_PROTOCOL_POWER },
> +	{ SCMI_PROTOCOL_POWER, "genpd" },
>  	{ },
>  };
>  MODULE_DEVICE_TABLE(scmi, scmi_id_table);
> --
> 2.17.1
>