linux-kernel - Re: [PATCH v7 1/4] gadget: Introduce the usb charger framework

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Date:	Mon, 4 Apr 2016 09:04:48 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Felipe Balbi <balbi@...nel.org>
Cc:	Baolin Wang <baolin.wang@...aro.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Peter Chen <peter.chen@...escale.com>,
	Alan Stern <stern@...land.harvard.edu>, r.baldyga@...sung.com,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	Lee Jones <lee.jones@...aro.org>,
	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>,
	patches@...nsource.wolfsonmicro.com,
	Linux PM list <linux-pm@...r.kernel.org>,
	USB <linux-usb@...r.kernel.org>,
	device-mainlining@...ts.linuxfoundation.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 1/4] gadget: Introduce the usb charger framework

On Mon, Apr 04, 2016 at 01:47:50PM +0300, Felipe Balbi wrote:
> Mark Brown <broonie@...nel.org> writes:

> > It does in this new world order.  IIRC on an earlier round of review
> > there was some code that didn't use a bus but that got complaints that
> > it was trying to reimplement the bus functionality.

> fair enough, I'll wait for Greg to have some time to comment on
> this. Bottomline is that there is *no* real bus. Charger ICs will use

I've got a feeling Greg is zoning this out by now...

> SPI or I2C and that's a real bus, $subject is not.

Well, there's the physical connection between the system power supply
and the USB port if you're very keen on looking for hardware.

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