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From: "Peter Chen (CIX)" <peter.chen@kernel.org>
To: Xu Yang <xu.yang_2@nxp.com>
Cc: gregkh@linuxfoundation.org, jun.li@nxp.com,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	imx@lists.linux.dev
Subject: Re: [PATCH v2 1/3] usb: chipidea: core: refactor ci_usb_role_switch_set()
Date: Wed, 8 Apr 2026 13:24:09 +0800	[thread overview]
Message-ID: <adXmeZoRuOrR7T6w@nchen-desktop> (raw)
In-Reply-To: <20260402071457.2516021-1-xu.yang_2@nxp.com>

On 26-04-02 15:14:55, Xu Yang wrote:
> Current code is redundant, refactor the code, no function change.
> 
> Signed-off-by: Xu Yang <xu.yang_2@nxp.com>

Acked-by: Peter Chen <peter.chen@kernel.org>

Peter
> 
> ---
> Changes in v2:
>  - new patch
> ---
>  drivers/usb/chipidea/core.c | 29 +++++++----------------------
>  1 file changed, 7 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
> index fac11f20cf0a..87be716dff3e 100644
> --- a/drivers/usb/chipidea/core.c
> +++ b/drivers/usb/chipidea/core.c
> @@ -618,28 +618,13 @@ static int ci_usb_role_switch_set(struct usb_role_switch *sw,
>  	struct ci_hdrc *ci = usb_role_switch_get_drvdata(sw);
>  	struct ci_hdrc_cable *cable;
>  
> -	if (role == USB_ROLE_HOST) {
> -		cable = &ci->platdata->id_extcon;
> -		cable->changed = true;
> -		cable->connected = true;
> -		cable = &ci->platdata->vbus_extcon;
> -		cable->changed = true;
> -		cable->connected = false;
> -	} else if (role == USB_ROLE_DEVICE) {
> -		cable = &ci->platdata->id_extcon;
> -		cable->changed = true;
> -		cable->connected = false;
> -		cable = &ci->platdata->vbus_extcon;
> -		cable->changed = true;
> -		cable->connected = true;
> -	} else {
> -		cable = &ci->platdata->id_extcon;
> -		cable->changed = true;
> -		cable->connected = false;
> -		cable = &ci->platdata->vbus_extcon;
> -		cable->changed = true;
> -		cable->connected = false;
> -	}
> +	cable = &ci->platdata->id_extcon;
> +	cable->changed = true;
> +	cable->connected = (role == USB_ROLE_HOST);
> +
> +	cable = &ci->platdata->vbus_extcon;
> +	cable->changed = true;
> +	cable->connected = (role == USB_ROLE_DEVICE);
>  
>  	ci_irq(ci);
>  	return 0;
> -- 
> 2.34.1
> 

-- 

Best regards,
Peter

      parent reply	other threads:[~2026-04-08  5:24 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-02  7:14 [PATCH v2 1/3] usb: chipidea: core: refactor ci_usb_role_switch_set() Xu Yang
2026-04-02  7:14 ` [PATCH v2 2/3] usb: chipidea: core: allow ci_irq_handler() handle both ID and VBUS change Xu Yang
2026-04-08  5:39   ` Peter Chen (CIX)
2026-04-09  6:11     ` Xu Yang
2026-04-02  7:14 ` [PATCH v2 3/3] usb: chipidea: otg: not wait vbus drop if use role_switch Xu Yang
2026-04-08  5:24 ` Peter Chen (CIX) [this message]

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