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SubjectRe: [PATCH 1/5 v13] arm: omap: usb: ehci and ohci hwmod structures for omap4
On Tue, Oct 11, 2011 at 12:52:05PM -0600, Paul Walmsley wrote:
> Hi Felipe
> On Tue, 11 Oct 2011, Felipe Balbi wrote:
> > maybe, but let's go with EXPORT_SYMBOL_GPL(). My only concern is that
> > this IP comes from synopsys, and I'm not really keen on adding
> > OMAP-specific, integration-related knowledge on a driver which was
> > supposed to be reusable ;-)
> >
> > But at least for the time being, I guess that's what we need to do ;-)
> Which IP is coming from Synopsys - the TLL ? The EXPORT_SYMBOL approach

TLL and UHH are OMAP-only wrappers. EHCI and OHCI are Synopsys IPs for
all I know.

> shouldn't add anything OMAP-specific to the TLL driver. So the exported
> symbols should still be usable by drivers on other SoCs. But perhaps I am
> misunderstanding your point?

A bit :-)

EHCI/OHCI will need to ask TLL to enable TLL clock, because it's
EHCI/OHCI who configure the port. Unless I misunderstood what Keshava
did (and no, I didn't just read the code, too lazy :-)

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