[U-Boot] [PATCH 2/5] ehci-hcd: Boost transfer speed

Marek Vasut marex at denx.de
Sun Jul 29 20:08:50 CEST 2012


Dear Benoît Thébaudeau,

> Dear Marek Vasut,
> 
> On Sun, Jul 29, 2012 at 03:40:32 AM, Marek Vasut wrote:
> > > On Fri, Jul 27, 2012 at 04:13:45 PM, Benoît Thébaudeau wrote:
> > > > On Fri, Jul 27, 2012 at 04:01:11 PM, Marek Vasut wrote:
> > > > > [...]
> > > > > 
> > > > > > > > +			token = (toggle << 31) |
> > > > > > > > +			    (xfr_bytes << 16) |
> > > > > > > > +			    ((req == NULL ? 1 : 0) << 15) |
> > > > > > > > +			    (0 << 12) |
> > > > > > > > +			    (3 << 10) |
> > > > > > > > +			    ((usb_pipein(pipe) ? 1 : 0) << 8) | 
(0x80 <<
> > 
> > 0);
> > 
> > > > > > > If you could fix all this magic afterwards (not in these
> > > > > > > patches),
> > > > > > > that'd be
> > > > > > > great.
> > > > > > 
> > > > > > Do you only mean #defining all those values?
> > > > > 
> > > > > Yes, but let's do this in a subsequent patch. It can wait for
> > > > > later.
> > > > 
> > > > OK.
> > > 
> > > What would you think about merging that together with the
> > > definition of
> > > 4096 into the current patch 1/5? In the next version, this patch
> > > would
> > > thus become a general cosmetic patch for EHCI to define all used
> > > constants.
> > 
> > That's all right with me.
> 
> Great. There are also questions for you in my answer to Stefan. Please take
> a look at these. I know, it's long to read, sorry.

I'm still trying to make some sense of it, gimme one more day please.

> Best regards,
> Benoît

Best regards,
Marek Vasut


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