linux-kernel - RE: [PATCHv5 7/7] usb: dwc2: Update Kconfig to support dual-role

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Date:	Thu, 23 Oct 2014 18:28:03 +0000
From:	Paul Zimmerman <Paul.Zimmerman@...opsys.com>
To:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	"dinguyen@...nsource.altera.com" <dinguyen@...nsource.altera.com>
CC:	"balbi@...com" <balbi@...com>,
	"dinh.linux@...il.com" <dinh.linux@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"swarren@...dotorg.org" <swarren@...dotorg.org>,
	"matthijs@...in.nl" <matthijs@...in.nl>,
	"r.baldyga@...sung.com" <r.baldyga@...sung.com>,
	"jg1.han@...sung.com" <jg1.han@...sung.com>,
	"sachin.kamat@...aro.org" <sachin.kamat@...aro.org>,
	"ben-linux@...ff.org" <ben-linux@...ff.org>,
	"dianders@...omium.org" <dianders@...omium.org>,
	"kever.yang@...k-chips.com" <kever.yang@...k-chips.com>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
Subject: RE: [PATCHv5 7/7] usb: dwc2: Update Kconfig to support dual-role

> From: Bartlomiej Zolnierkiewicz [mailto:b.zolnierkie@...sung.com]
> Sent: Wednesday, October 22, 2014 5:26 AM
> 
> On Monday, October 20, 2014 01:52:06 PM dinguyen@...nsource.altera.com wrote:
> > From: Dinh Nguyen <dinguyen@...nsource.altera.com>
> >
> >  config USB_DWC2_PLATFORM
> >  	bool "DWC2 Platform"
> > -	depends on USB_DWC2_HOST
> >  	default USB_DWC2_HOST
> 
> It should be "default USB_DWC2_HOST || USB_DWC2_PERIPHERAL" because
> USB_DWC2_PLATFORM replaces current USB_DWC2_PERIPHERAL functionality.
> 
> Additionaly USB_DWC2_PLATFORM should be changed to tristate
> (USB_DWC2_PERIPHERAL was a tristeate before your changes).

Dinh, I think this is a good point. Is there any reason why
USB_DWC2_PLATFORM (and USB_DWC2_PCI for that matter) can't be
tristate? That's what DWC3 does.

-- 
Paul

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