linux-kernel - Re: [PATCH v2 2/2] usb: typec: tcpm: Remove altmode active state updates

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Message-ID: <CANLzEkvmCOR3B-Sx3z=wyPB+6h_OyvbHqhsShAiT368N1-3pFQ@mail.gmail.com>
Date:   Tue, 24 Jan 2023 07:27:33 -0800
From:   Benson Leung <bleung@...omium.org>
To:     Prashant Malani <pmalani@...omium.org>
Cc:     linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        heikki.krogerus@...ux.intel.com, gregkh@...uxfoundation.org,
        Guenter Roeck <linux@...ck-us.net>,
        Benson Leung <bleung@...gle.com>
Subject: Re: [PATCH v2 2/2] usb: typec: tcpm: Remove altmode active state updates

On Fri, Jan 20, 2023 at 1:00 PM Prashant Malani <pmalani@...omium.org> wrote:
>
> Since the "active" state for partner altmodes is now being taken care of
> by the altmode driver itself (specifically, DisplayPort altmode), we
> no longer need to do so from the port driver. So remove the calls to
> typec_altmode_update_active() from TCPM.
>
> Suggested-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> Signed-off-by: Prashant Malani <pmalani@...omium.org>

Reviewed-by: Benson Leung <bleung@...omium.org>

> ---
>
> Changes since v1:
> - Patch first introduced in v2.
>
>  drivers/usb/typec/tcpm/tcpm.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
> index 904c7b4ce2f0..0f5a9d4db105 100644
> --- a/drivers/usb/typec/tcpm/tcpm.c
> +++ b/drivers/usb/typec/tcpm/tcpm.c
> @@ -1693,14 +1693,11 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
>                         }
>                         break;
>                 case CMD_ENTER_MODE:
> -                       if (adev && pdev) {
> -                               typec_altmode_update_active(pdev, true);
> +                       if (adev && pdev)
>                                 *adev_action = ADEV_QUEUE_VDM_SEND_EXIT_MODE_ON_FAIL;
> -                       }
>                         return 0;
>                 case CMD_EXIT_MODE:
>                         if (adev && pdev) {
> -                               typec_altmode_update_active(pdev, false);
>                                 /* Back to USB Operation */
>                                 *adev_action = ADEV_NOTIFY_USB_AND_QUEUE_VDM;
>                                 return 0;
> --
> 2.39.0.246.g2a6d74b583-goog
>


-- 
Benson Leung
Staff Software Engineer
Chrome OS Kernel
Google Inc.
bleung@...gle.com
Chromium OS Project
bleung@...omium.org