linux-kernel - Re: [PATCH] ARM: OMAP4: USB_EHCI_HCD needs USB_PHY and NOP_USB

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Date:	Tue, 28 May 2013 09:30:20 -0400
From:	Adrien Vergé <adrienverge@...il.com>
To:	Roger Quadros <rogerq@...com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Florian Fainelli <florian@...nwrt.org>,
	Manjunath Goudar <manjunath.goudar@...aro.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Yannick Brosseau <yannick.brosseau@...il.com>,
	"Balbi, Felipe" <balbi@...com>
Subject: Re: [PATCH] ARM: OMAP4: USB_EHCI_HCD needs USB_PHY and NOP_USB_XCEIV

Dear Arnd and Roger, thank you for your answers.

2013/5/28 Roger Quadros <rogerq@...com>
> Selecting NOP_USB_XCEIV is wrong as it in turn depends on USB_PHY.
>
> I'm not for depends as it would hide USB_EHCI_HCD_OMAP in menuconfig.
> I'm for explicitly selecting both, as it makes the user's life much
> easier.
> But I'm afraid maintainers might object to that.
>
> The other option is to enable the required drivers in omap2plus_defconfig.
> http://comments.gmane.org/gmane.linux.ports.arm.omap/97899

This seems a good idea to me, since many OMAP users boot with NFS and
need USB directly working (Ethernet over USB).

> Maybe you could just resend that patch after addressing Kevin's comments?

It's sad that USB_EHCI_HCD is too instable to be added in omap2plus_defconfig.
Still, USB_PHY and NOP_USB_XCEIV are needed since v3.10 for USB
support (and harmless): should I send a patch adding those two in
omap2plus_defconfig?

Cheers,
Adrien
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