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Date:	Mon, 14 Jul 2014 11:50:40 -0700
From:	Andrew Bresticker <>
To:	Julius Werner <>
Cc:	Greg Kroah-Hartman <>,
	Mathias Nyman <>,
	Alan Stern <>,
	"" <>,
	LKML <>,
	"" <>,
Subject: Re: [PATCH 4/4] xhci: Allow xHCI drivers to be built as separate modules


On Mon, Jul 14, 2014 at 11:36 AM, Julius Werner <> wrote:
>> Nope - since CONFIG_USB_XHCI_MVEBU can be 'y' or 'm' we need the ifneq
>> here (which matches against both) to ensure xhci-mvebu.o is built is
>> part of xhci-plat-hcd.o.
> Oh... does it make sense to have it tristate at all, then? Looks like
> was never really buildable as an independent module (and still won't
> be after this patch), so I bet that was just a mistake when the
> Kconfig for it was first written that should be fixed.

Making it a bool wouldn't really be accurate either since it could
still be built as part of the xhci-plat-hcd loadable module.  Gregory,
do you have a preference?  I could also re-spin making xhci-mvebu and
independently-loadable module.

> (Ideally, xhci-plat.c should probably go away in favor of dwc3/host.c
> and xhci-mvebu.c implementing the wrapper to xhci_init_driver()
> directly, but that is a longer-term goal.)

Well I don't think xhci-plat can ever go away (it's possible that
there are XHCI platform devices that need no extra platform-specific
setup), but yes, I agree that dwc3 and xhci-mvebu should be converted
over to use xhci_init_driver().
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