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authorAnthony Liguori <aliguori@us.ibm.com>2012-05-14 10:07:23 -0500
committerAnthony Liguori <aliguori@us.ibm.com>2012-05-14 10:07:23 -0500
commit7a85d1cf1cf9b2b9379c35f1b672d1661e2d8132 (patch)
treef195391b0a02d6beb04ea87be056b14dce156909 /hw
parentcaa3d6d37b596e5fb59d4f7e845b84fa8f583fe7 (diff)
parenta2498f76b8ddd4011645e54faf6eb9281bd6f401 (diff)
Merge remote-tracking branch 'kraxel/usb.50' into staging
* kraxel/usb.50: usb-host: handle guest-issued clear halt
Diffstat (limited to 'hw')
-rw-r--r--hw/usb/host-linux.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/usb/host-linux.c b/hw/usb/host-linux.c
index 048f8ffa8b..a95b0eda55 100644
--- a/hw/usb/host-linux.c
+++ b/hw/usb/host-linux.c
@@ -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 */