[RFC PATCH 00/11 V7] MXS: Add i.MX28 USB Host driver

[Chen Peter-B29397]

> 
> > > Still use IRQF_SHARED for the usb interrupt, but:
> > > * The IRQ handler in ehci-mxs, that's set in hc_driver.irq would be
> > > always
> > > returning IRQ_NONE.
> > > * The IRQ handler in imx-otg would call the callback registered via
> > > imx_otg_set_irq_handler() only if the port was actually in host mode
> >
> > The interrupt which is registered by hcd core is usb_hcd_irq, it will
> call
> > ehci_irq. The hc_driver.irq is included in usb_hcd_irq.
> 
> Hm, that's correct. I'll dive in and see if there's any other way around.
> I
> think I saw IRQF_DISABLED somewhere there, but that might be just some
> phantom.
> Either way, is this direction I'm taking the correct one (have irq
> handler in
> imx-otg and send IRQs to gadget/host drivers from there)?
> 
Sorry for late as I can't see this email at my inbox.
If you can handle hcd irq well, I think it is correct direction. 


 
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