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Merge remote-tracking branch 'kraxel/usb.50' into staging 

* kraxel/usb.50:
  usb-host: handle guest-issued clear halt
This commit is contained in:
Anthony Liguori 2012-05-14 10:07:23 -05:00
parent caa3d6d37b a2498f76b8
commit 7a85d1cf1c
1 changed files with 9 additions and 0 deletions
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9
hw/usb/host-linux.c
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@ -1058,6 +1058,15 @@ static int usb_host_handle_control(USBDevice *dev, USBPacket *p,
ret = usb_host_set_interface(s, index, value);
trace_usb_host_req_emulated(s->bus_num, s->addr, p, ret);
return ret;
case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
if (value == 0) { /* clear halt */
int pid = (index & USB_DIR_IN) ? USB_TOKEN_IN : USB_TOKEN_OUT;
ioctl(s->fd, USBDEVFS_CLEAR_HALT, &index);
clear_halt(s, pid, index & 0x0f);
trace_usb_host_req_emulated(s->bus_num, s->addr, p, 0);
return 0;
}
}
/* The rest are asynchronous */