[U-Boot] [PATCH v6 4/4] Add USB support for Efika

[Marek Vasut <marek.vasut@gmail.com>]

On Tuesday, September 27, 2011 10:40:26 PM Jana Rapava wrote:
> 2011/9/27 Marek Vasut <marek.vasut@gmail.com>
> 
> > > diff --git a/board/efikamx/efika.h b/board/efikamx/efika.h
> > > new file mode 100644
> > > index 0000000..2134e75
> > > --- /dev/null
> > > +++ b/board/efikamx/efika.h
> > > @@ -0,0 +1,8 @@
> > 
> > Proper header is missing here, with license, author etc.
> 
> What should I write into copyright field, if I copied your code into this
> header file?

You're introducing your file here, it's your stuff.

> 
> > > +void ulpi_write(struct usb_ehci *ehci, u32 reg, u32 value)
> > > +{
> > > +     if (!(readl(&ehci->ulpi_viewpoint) & ULPI_SS)) {
> > > +             writel(ULPI_WU, &ehci->ulpi_viewpoint);
> > > +             ulpi_wait(ehci, ULPI_WU, "wakeup");
> > 
> > This function returns some value, but you're not checking it. It's
> > probably if
> > the wait timed out, right ? Why aren't you checking it ?
> 
> I''ll check it, but I don't know what function calling ulpi_write/read/wait
> should do if call fails. Should it write error message and return, should
> it write message and return error value...?

Return error value until you reach ulpi_{read/write}, write error message there 
?