linux-kernel - Re: [PATCH] USB: ehci-omap: Select USB

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Date:	Thu, 11 Apr 2013 15:42:58 +0300
From:	Roger Quadros <rogerq@...com>
To:	<balbi@...com>
CC:	Greg KH <gregkh@...uxfoundation.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Linux USB Mailing List <linux-usb@...r.kernel.org>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>
Subject: Re: [PATCH] USB: ehci-omap: Select USB_PHY

On 04/11/2013 01:55 PM, Felipe Balbi wrote:
> Hi,
> 
> On Thu, Apr 11, 2013 at 01:51:16PM +0300, Roger Quadros wrote:
>> On 04/11/2013 01:04 PM, Felipe Balbi wrote:
>>> Hi,
>>>
>>> On Thu, Apr 11, 2013 at 12:42:04PM +0300, Roger Quadros wrote:
>>>> Hi Greg,
>>>>
>>>> The following patch gets rid of Kbuild warnings when USB_EHCI_HCD_OMAP
>>>> is enabled.
>>>>
>>>> Patch is based on your usb-next branch and is needed for 3.10.
>>>>
>>>> From: Roger Quadros <rogerq@...com>
>>>> Date: Thu, 11 Apr 2013 12:08:19 +0300
>>>> Subject: [PATCH] USB: ehci-omap: Select USB_PHY
>>>>
>>>> As we need NOP_USB_XCEIV which depends on USB_PHY
>>>> we need to select USB_PHY as well.
>>>>
>>>> Gets rid of the below warnings when USB_EHCI_HCD_OMAP
>>>> is enabled.
>>>>
>>>> warning: (USB_EHCI_HCD_OMAP) selects NOP_USB_XCEIV which has unmet direct dependencies (USB_SUPPORT && USB_PHY)
>>>> warning: (USB_EHCI_HCD_OMAP) selects NOP_USB_XCEIV which has unmet direct dependencies (USB_SUPPORT && USB_PHY)
>>>>
>>>> Signed-off-by: Roger Quadros <rogerq@...com>
>>>
>>> Ideally, however, we wouldn't select any PHY in particular as different
>>> boards might need a different PHY driver, even on OMAP ;-)
>>>
>> Right, but we need to select USB_PHY here as the driver uses
>> the USB_PHY APIs.
>>
>> The NOP_USB_XCEIV selection could be done by the board config.
> 
> I would avoid 'select' completely and just update omap2plus_defconfig
> adding those two as modules.
> 

OK, makes sense. I will update the patch to remove "select NOP_USB_XCEIV".

cheers,
-roger

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