Re: [PATCH v3 2/9] usb: typec: Add retimer handle to port

From: Sergey Shtylyov
Date: Fri Jul 08 2022 - 04:46:58 EST


Hello!

On 7/8/22 1:20 AM, Prashant Malani wrote:

> Similar to mux and orientation switch, add a handle for registered
> retimer to the port, so that it has handles to the various switches
> connected to it.
>
> Signed-off-by: Prashant Malani <pmalani@xxxxxxxxxxxx>
> ---
>
> Changes since v2:
> - No changes.
>
> Changes since v1:
> - Relinquish retimer reference during typec_release.
>
> drivers/usb/typec/class.c | 9 +++++++++
> drivers/usb/typec/class.h | 1 +
> 2 files changed, 10 insertions(+)
>
> diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
> index 9062836bb638..f08e32d552b4 100644
> --- a/drivers/usb/typec/class.c
> +++ b/drivers/usb/typec/class.c
[...]
> @@ -2249,6 +2251,13 @@ struct typec_port *typec_register_port(struct device *parent,
> return ERR_PTR(ret);
> }
>
> + port->retimer = typec_retimer_get(&port->dev);
> + if (IS_ERR(port->retimer)) {
> + ret = PTR_ERR(port->retimer);
> + put_device(&port->dev);
> + return ERR_PTR(ret);

Why convert it to and fro, and not just return port->retimer?

[...]

MBR, Sergey