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SubjectRe: [PATCH] typec: tcpm: Provide of_node pointer as part of psy_cfg
Hi Adam,

On Wed, May 16, 2018 at 05:00:46PM +0100, Adam Thomson wrote:
> For supply registration, provide of_node pointer of the port device,
> via the power_supply_config structure, to allow other psy drivers
> to add us as a supplier using the 'power-supplies' DT property.
>
> Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
> ---
> drivers/usb/typec/tcpm.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c
> index 72996cc..e7c0b95 100644
> --- a/drivers/usb/typec/tcpm.c
> +++ b/drivers/usb/typec/tcpm.c
> @@ -4500,6 +4500,7 @@ static int devm_tcpm_psy_register(struct tcpm_port *port)
> char *psy_name;
>
> psy_cfg.drv_data = port;
> + psy_cfg.of_node = port->dev->of_node;
> psy_name = devm_kzalloc(port->dev, psy_name_len, GFP_KERNEL);
> if (!psy_name)
> return -ENOMEM;

Would it be possible to use fwnode here instead? It would mean that
you add a member for it to the struct power_supply_config, and handle
it separately in power_supply_core.c. You could just convert it to
of_node there for now.

That is just a request, I'm fine with this, but it would prepare this
driver for all types of platforms, so less patching would be needed
once we add ACPI support to the power_supply_core.c.


Thanks,

--
heikki

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