linux-kernel - Re: [PATCH v2] usb: chipidea: Use extcon framework for VBUS and ID detect

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Date:	Thu, 16 Apr 2015 15:46:50 +0800
From:	Peter Chen <peter.chen@...escale.com>
To:	"Ivan T. Ivanov" <ivan.ivanov@...aro.org>, <cw00.choi@...sung.com>
CC:	Kumar Gala <galak@...eaurora.org>,
	Rob Herring <robh+dt@...nel.org>,
	"Pawel Moll" <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-usb@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH v2] usb: chipidea: Use extcon framework for VBUS and ID
 detect

On Wed, Apr 15, 2015 at 04:35:15PM +0300, Ivan T. Ivanov wrote:
> On recent Qualcomm platforms VBUS and ID lines are not routed to
> USB PHY LINK controller. Use extcon framework to receive connect
> and disconnect ID and VBUS notification.
> 
> Signed-off-by: Ivan T. Ivanov <ivan.ivanov@...aro.org>
> ---
> 
> Changes since v0 [1], as per Peter Chen suggestions:
> 
> * Moved external connector parsing code to ci_get_platdata()
> * Moved external connector related variables to struct ci_hdrc_platform_data
> * Rename ci_host_notifier() to ci_id_notifier()
> * Fixed device bindings description
> * Use select EXTCON framework, instead of depends on.

Hi Chanwoo,

It seems the CONFIG_EXTCON is better as a hide config.
See below thread for GENERIC_PHY.

http://marc.info/?l=linux-kernel&m=142902133811818&w=2

Peter

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