On Sun, 2006-11-05 at 12:25 -0500, Alan Stern wrote:
> On Sun, 5 Nov 2006, Benjamin Herrenschmidt wrote:
> 
> > Hi !
> > 
> > I'm sending this patch on behalf of Toshiba. This version of the patch
> > is mostly for comments, I'll forward a more "final" one as soon as I get
> > it from them, possibly addressing comments you guys might have.
> > 
> > The goal is to have that in 2.6.20 along with the support for the
> > platforms that need this (Toshiba Cell based "Celleb" platform, and a
> > soon-to-be-released-long-awaited other Cell one I can't talk about right
> > now :-)
> > 
> > The issue is that those have an EHCI/OHCI pair which has big endian
> > registers but little manipulates DMA data structures in little endian
> > form (some would say they are only half broken :-)
> > 
> > The OHCI change is trivial. The EHCI change is more invasive as EHCI
> > didn't have any support for big-endian cells so far, but it's also
> > pretty much on the trivial side of things, mostly replacing readl/writel
> > with ehci_readl/ehci_writel.
> 
> Just so that you know -- I'm in the middle of submitting one or more
> patches that do MMIO in ehci-hcd.  Once Greg has accepted them you will
> have to update your patch to change my patch's readl() and writel() calls
> to ehci_readl() and ehci_writel().  No big deal.
> 
> There doesn't seem to be anything objectionable in the patch itself.

As you said, no big deal. Can you send me your patch so I can prepare a
new version of the Toshiba one in advance ?

Thanks !
Ben.



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