linux-kernel - Re: [PATCH 2/2] usb: phy: msm: fix connect/disconnect bug for dragonboard OTG port

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Message-ID: <877flhn9mh.fsf@saruman.tx.rr.com>
Date:	Mon, 16 Nov 2015 11:21:10 -0600
From:	Felipe Balbi <balbi@...com>
To:	Peter Chen <peter.chen@...escale.com>,
	Tim Bird <tim.bird@...ymobile.com>
CC:	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	"pawel.moll@....com" <pawel.moll@....com>,
	"mark.rutland@....com" <mark.rutland@....com>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	Björn Andersson 
	<bjorn.andersson@...ymobile.com>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"tbird20d@...il.com" <tbird20d@...il.com>
Subject: Re: [PATCH 2/2] usb: phy: msm: fix connect/disconnect bug for dragonboard OTG port


Hi,

Peter Chen <peter.chen@...escale.com> writes:
> On Wed, Nov 11, 2015 at 09:48:00AM -0800, Tim Bird wrote:
>> 
>> 
>> On 11/10/2015 07:14 PM, Peter Chen wrote:
>> > On Tue, Nov 10, 2015 at 04:46:51PM -0800, Tim Bird wrote:
>> >> This fixes a bug where if you disconnect and re-connect the USB cable,
>> >> the gadget driver stops working.
>> >>
>> >> Add support for async_irq to wake up driver from low power mode.
>> >> Without this, the power management code never calls resume.
>> >> Also, have the phy driver kick the gadget driver (chipidea otg)
>> >> by having the chipidea driver register with it, for vbus connect
>> >> notifications.
>> >>
>> >> Signed-off-by: Tim Bird <tim.bird@...ymobile.com>
>> >> ---
>> >>  drivers/usb/chipidea/udc.c    |  6 ++++++
>> >>  drivers/usb/phy/phy-msm-usb.c | 16 ++++++++++++++++
>> >>  include/linux/usb/msm_hsusb.h |  1 +
>> >>  3 files changed, 23 insertions(+)

I just wanna know how you guys want this to be handled ? Through my tree
or chipidea's ? Or do we break the dependencies between the changes ?

-- 
balbi

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