The companion descriptor is present on all usb3 devices, not only
those with streams support. We need to check attributes to see
whenever the device uses streams or not.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
Message-id: 1473406890-30164-1-git-send-email-kra...@redhat.com
---
hw/usb/host-libusb.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index e94672c..bd81d71 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -743,10 +743,13 @@ static void usb_host_speed_compat(USBHostDevice *s)
rc = libusb_get_ss_endpoint_companion_descriptor
(ctx, endp, &endp_ss_comp);
if (rc == LIBUSB_SUCCESS) {
+ int streams = endp_ss_comp->bmAttributes & 0x1f;
+ if (streams) {
+ compat_full = false;
+ compat_high = false;
+ }
libusb_free_ss_endpoint_companion_descriptor
(endp_ss_comp);
- compat_full = false;
- compat_high = false;
}
#endif
break;
--
1.8.3.1
