linux-kernel - Re: [PATCH 2/2] typec: tcpm: Provide fwnode pointer as part of psy

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Date:   Tue, 22 May 2018 09:08:15 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Adam Thomson <Adam.Thomson.Opensource@...semi.com>
Cc:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sebastian Reichel <sre@...nel.org>, linux-usb@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        support.opensource@...semi.com
Subject: Re: [PATCH 2/2] typec: tcpm: Provide fwnode pointer as part of
 psy_cfg

On Tue, May 22, 2018 at 04:16:24PM +0100, Adam Thomson wrote:
> For supply registration, provide fwnode pointer of the port device,
> via the power_supply_config structure, to allow other psy drivers
> to add us as a supplier. At present this only applies to DT
> based platforms using the 'power-supplies' DT property, but in the
> future should also work for ACPI platforms when the relevant support
> is added to the power_supply core.
> 
> Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@...semi.com>
> Suggested-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  drivers/usb/typec/tcpm.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c
> index 72996cc..0ccd2ce 100644
> --- a/drivers/usb/typec/tcpm.c
> +++ b/drivers/usb/typec/tcpm.c
> @@ -14,6 +14,7 @@
>  #include <linux/mutex.h>
>  #include <linux/power_supply.h>
>  #include <linux/proc_fs.h>
> +#include <linux/property.h>
>  #include <linux/sched/clock.h>
>  #include <linux/seq_file.h>
>  #include <linux/slab.h>
> @@ -4500,6 +4501,7 @@ static int devm_tcpm_psy_register(struct tcpm_port *port)
>  	char *psy_name;
>  
>  	psy_cfg.drv_data = port;
> +	psy_cfg.fwnode = dev_fwnode(port->dev);
>  	psy_name = devm_kzalloc(port->dev, psy_name_len, GFP_KERNEL);
>  	if (!psy_name)
>  		return -ENOMEM;
> -- 
> 1.9.1
>