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

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Message-ID: <564FA087.5050807@sonymobile.com>
Date:	Fri, 20 Nov 2015 14:36:55 -0800
From:	Tim Bird <tim.bird@...ymobile.com>
To:	Felipe Balbi <balbi@...com>, Peter Chen <peter.chen@...escale.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>,
	Andersson, Björn 
	<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



On 11/16/2015 09:21 AM, Felipe Balbi wrote:
> 
> 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 ?

I'm fine with splitting it up.  I'm sending a new series with 3 patches
right after this message.  Do both trees go to linux-next?
 -- Tim

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