hw/usb-ohci.c: Implement remote wakeup
Implement the wakeup callback in the OHCI USBPortOps, so that when a downstream device wakes up it correctly causes the OHCI controller to come out of suspend. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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@ -367,6 +367,22 @@ static void ohci_detach(USBPort *port1)
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ohci_set_interrupt(s, OHCI_INTR_RHSC);
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ohci_set_interrupt(s, OHCI_INTR_RHSC);
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}
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}
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static void ohci_wakeup(USBDevice *dev)
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{
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USBBus *bus = usb_bus_from_device(dev);
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OHCIState *s = container_of(bus, OHCIState, bus);
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int portnum = dev->port->index;
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OHCIPort *port = &s->rhport[portnum];
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if (port->ctrl & OHCI_PORT_PSS) {
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DPRINTF("usb-ohci: port %d: wakeup\n", portnum);
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port->ctrl |= OHCI_PORT_PSSC;
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port->ctrl &= ~OHCI_PORT_PSS;
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if ((s->ctl & OHCI_CTL_HCFS) == OHCI_USB_SUSPEND) {
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ohci_set_interrupt(s, OHCI_INTR_RD);
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}
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}
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}
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/* Reset the controller */
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/* Reset the controller */
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static void ohci_reset(void *opaque)
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static void ohci_reset(void *opaque)
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{
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{
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@ -1675,6 +1691,7 @@ static CPUWriteMemoryFunc * const ohci_writefn[3]={
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static USBPortOps ohci_port_ops = {
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static USBPortOps ohci_port_ops = {
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.attach = ohci_attach,
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.attach = ohci_attach,
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.detach = ohci_detach,
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.detach = ohci_detach,
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.wakeup = ohci_wakeup,
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.complete = ohci_async_complete_packet,
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.complete = ohci_async_complete_packet,
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};
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};
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