Messages in this thread | | | Subject | Re: [PATCH 2/3] usb: enable pci MSI/MSIX in usb core | From | "Alex,Shi" <> | Date | Thu, 23 Feb 2012 17:11:47 +0800 |
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> What do you mean: there is a relation between event rings > msix_entries.vectors. and we need to presents this relationships in the > msix interrupt handler? > > So does the following mode you like? > > request_irq(hcd->msix_entries[i].vector, msix_irq_handler, 0, "", > hcd->ring_handler[i]); > > Or another way to do it if we know which ring will handle the irq, like:
here, I mean let the driver remember this relationships. > > irqreturn_t xhci_msi_irq(int irq, struct usb_hcd *hcd) > > switch (irq2ring(irq)) > case ring0: driver_handle_ring(ring0); > case ring1: driver_handle_ring(ring1); > > In fact, since there is no actual usage of multiple rings now, I have no > much idea of the relationships. > > BTW, if it is possible do this change to another patch?
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