linux-kernel - Re: [PATCH 2/8] usb: typec: altmode_match should handle TYPEC_ANY

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Message-ID: <oedfq4fkjlbalytba7fxg462tyutgxxk5wnhg2mhkfevclv33q@ugc472nkwpo6>
Date: Wed, 25 Sep 2024 19:54:45 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Abhishek Pandit-Subedi <abhishekpandit@...omium.org>
Cc: heikki.krogerus@...ux.intel.com, tzungbi@...nel.org, jthies@...gle.com, 
	pmalani@...omium.org, akuchynski@...gle.com, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 2/8] usb: typec: altmode_match should handle
 TYPEC_ANY_MODE

On Wed, Sep 25, 2024 at 09:25:03AM GMT, Abhishek Pandit-Subedi wrote:
> altmode_match is used when searching for the first port altmode that
> matches the partner or plug altmode. If the port registered with mode
> set to TYPEC_ANY_MODE, it should always match if the SVID matches.
> 
> Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@...omium.org>

Fixes?

> ---
> 
>  drivers/usb/typec/class.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
> index 9262fcd4144f..179856503d5d 100644
> --- a/drivers/usb/typec/class.c
> +++ b/drivers/usb/typec/class.c
> @@ -230,7 +230,8 @@ static int altmode_match(struct device *dev, void *data)
>  	if (!is_typec_altmode(dev))
>  		return 0;
>  
> -	return ((adev->svid == id->svid) && (adev->mode == id->mode));
> +	return ((adev->svid == id->svid) &&
> +		(adev->mode == id->mode || adev->mode == TYPEC_ANY_MODE));
>  }
>  
>  static void typec_altmode_set_partner(struct altmode *altmode)
> -- 
> 2.46.0.792.g87dc391469-goog
> 

-- 
With best wishes
Dmitry