linux-kernel - Re: [PATCH 00/21] Support qcom's HSIC USB and rewrite USB2 HS phy support

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Date:	Fri, 1 Jul 2016 23:03:38 -0700
From:	John Stultz <john.stultz@...aro.org>
To:	Stephen Boyd <stephen.boyd@...aro.org>
Cc:	linux-usb@...r.kernel.org, Felipe Balbi <balbi@...nel.org>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Arnd Bergmann <arnd@...db.de>,
	Neil Armstrong <narmstrong@...libre.com>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Bjorn Andersson <bjorn.andersson@...aro.org>,
	devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
	Peter Chen <peter.chen@....com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andy Gross <andy.gross@...aro.org>,
	"Ivan T. Ivanov" <iivanov.xz@...il.com>,
	Kishon Vijay Abraham I <kishon@...com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 00/21] Support qcom's HSIC USB and rewrite USB2 HS phy support

On Tue, Jun 28, 2016 at 1:34 AM, Stephen Boyd <stephen.boyd@...aro.org> wrote:
> Quoting John Stultz (2016-06-27 20:09:30)
>>
>> I haven't yet been able to test with this, as I need some other fixes
>> it seems too to deal with some of the iommu changes in my flo-WIP tree
>> (it can't find of_dma_configure), but will let you know how things
>> work once I have all that sorted.
>
> Cool, thanks for testing.

So after working out some merge issues w/ my flo-WIP branch for the
nexus7, I was still having trouble, so I backed out to just your
(updated) branch.

But even there, I'm not able to get the usb gadget up. I see:

[    1.869717] msm_hsusb 12500000.usb: failed to get phandle in
/soc/usb@...00000 node
[    1.882347] 12500000.usb supply vbus not found, using dummy regulator

So I'm not sure if the dts changes were quite right. I've got all the
ULPI configs enabled. Any ideas?

thanks
-john