linux-kernel - Re: [PATCH v2 2/8] platform/chrome: cros_ec_typec: Correct the Thunderbolt rounded/non-rounded cable support

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Message-ID: <5c919cea-3773-2782-2855-904e131fe057@collabora.com>
Date:   Tue, 17 Nov 2020 11:49:12 +0100
From:   Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:     Utkarsh Patel <utkarsh.h.patel@...el.com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Cc:     heikki.krogerus@...ux.intel.com, pmalani@...omium.org,
        rajmohan.mani@...el.com, azhar.shaikh@...el.com
Subject: Re: [PATCH v2 2/8] platform/chrome: cros_ec_typec: Correct the
 Thunderbolt rounded/non-rounded cable support



On 13/11/20 21:24, Utkarsh Patel wrote:
> Thunderbolt rounded/non-rounded cable support is two bits value. Correcting
> it as per the Thunderbolt 3 cable discover mode VDO changes done in the
> Thunderbolt 3 alternate mode header.
> 
> Signed-off-by: Utkarsh Patel <utkarsh.h.patel@...el.com>

Acked-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>

> --
> Changes in v2:
> - Removed the fixes tag as there is no functional implication.
> --
> ---
>  drivers/platform/chrome/cros_ec_typec.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
> index 31be31161350..8111ed1fc574 100644
> --- a/drivers/platform/chrome/cros_ec_typec.c
> +++ b/drivers/platform/chrome/cros_ec_typec.c
> @@ -438,8 +438,7 @@ static int cros_typec_enable_tbt(struct cros_typec_data *typec,
>  	if (pd_ctrl->control_flags & USB_PD_CTRL_ACTIVE_LINK_UNIDIR)
>  		data.cable_mode |= TBT_CABLE_LINK_TRAINING;
>  
> -	if (pd_ctrl->cable_gen)
> -		data.cable_mode |= TBT_CABLE_ROUNDED;
> +	data.cable_mode |= TBT_SET_CABLE_ROUNDED(pd_ctrl->cable_gen);
>  
>  	/* Enter Mode VDO */
>  	data.enter_vdo = TBT_SET_CABLE_SPEED(pd_ctrl->cable_speed);
>