Re: [PATCH v3] usb host: Faraday USB2.0 FUSBH200-HCD driver

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On Thu, 25 Apr 2013, Yuan-Hsin Chen wrote:

> Hi,
> 
> Are there any comments?

This is okay.  There's just one thing...

> On Tue, Apr 16, 2013 at 8:43 PM, Yuan-Hsin Chen <yuanlmm@xxxxxxxxx> wrote:
> 
> > FUSBH200-HCD is an USB2.0 hcd for Faraday FUSBH200.
> > FUSBH200 is an ehci-like controller with some differences.
> > First, register layout of FUSBH200 is incompatible with EHCI.
> > Furthermore, FUSBH200 is lack of siTDs which means iTDs
> > are used for both HS and FS ISO transfer.
> >
> > Signed-off-by: Yuan-Hsin Chen <yhchen@xxxxxxxxxxxxxxxx>
> > ---
> >
> > v2:
> > use ehci-platform.c
> > use anonymous union and struct
> > add is_fusbh200 to struct ehci_hcd
> >
> > v3:
> > duplicate most of code from Linux-3.8 ehci hcd

> > --- a/drivers/usb/host/Kconfig
> > +++ b/drivers/usb/host/Kconfig
> > @@ -287,6 +287,14 @@ config USB_ISP1362_HCD
> >           To compile this driver as a module, choose M here: the
> >           module will be called isp1362-hcd.
> >
> > +config USB_FUSBH200_HCD
> > +       bool "Faraday FUSBH200 HCD support"

Shouldn't this be tristate?

> > +       depends on USB
> > +       default N
> > +       ---help---
> > +       The USB HCD Driver of Faraday FUSBH200 is designed to
> > +       meet USB2.0 EHCI specification with minor modification
> > +

Alan Stern

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