Re: [PATCH v3 06/20] usb: host: xhci-plat: Add support for the Armada 38x

[Arnd Bergmann]

On Tuesday 06 May 2014 13:34:46 Bartlomiej Zolnierkiewicz wrote:
> On Tuesday, May 06, 2014 02:14:01 AM Gregory CLEMENT wrote:
> > For the Armada 38x SoCs which come with an xhci controller, specific
> > initialization must be done during probe related to the MBus windows
> > configuration. This patch adds the support of this quirk.
> > 
> > Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
> > ---
> >  drivers/usb/host/Kconfig      |  7 +++++
> >  drivers/usb/host/Makefile     |  1 +
> >  drivers/usb/host/xhci-mvebu.c | 71 +++++++++++++++++++++++++++++++++++++++++++
> >  drivers/usb/host/xhci-mvebu.h | 21 +++++++++++++
> >  drivers/usb/host/xhci-plat.c  |  6 ++++
> >  5 files changed, 106 insertions(+)
> >  create mode 100644 drivers/usb/host/xhci-mvebu.c
> >  create mode 100644 drivers/usb/host/xhci-mvebu.h
> > 
> > diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
> > index 3d9e54062d62..e70943fac4a1 100644
> > --- a/drivers/usb/host/Kconfig
> > +++ b/drivers/usb/host/Kconfig
> > @@ -29,6 +29,13 @@ if USB_XHCI_HCD
> >  config USB_XHCI_PLATFORM
> >       tristate
> >  
> > +config USB_XHCI_MVEBU
> > +     tristate "xHCI support for Marvell Armada 38x"
> 
> Please limit this driver to mvebu arch and compile testing, i.e.
> 
>         depends on ARCH_MVEBU || COMPILE_TEST

I think it actually needs a dependency on MVEBU_MBUS.

You probably need something like

	depends on MVEBU_MBUS=y || (MVEBU_MBUS=m && USB_XHCI=m)

Also, having the option 'tristate' makes no sense, since you
can't have it as a loadable module.

	Arnd
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