Commit 2763cbc7 authored by Hans de Goede's avatar Hans de Goede Committed by Gerd Hoffmann
Browse files

usb-ehci: Any packet completion except for NAK should set the interrupt 



As clearly stated in the 2.3.2 of the EHCI spec, any time USBERRINT get
sets then if the td has its IOC bit set USBINT should be set as well.

This means that for any status except for USB_RET_NAK we should set
USBINT if the IOC bit is set.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent e850c2b4

hw/usb-ehci.c

+1 −1
Original line number Diff line number Diff line
@@ -1360,7 +1360,7 @@ err: 
    q->qh.token ^= QTD_TOKEN_DTOGGLE;

    q->qh.token &= ~QTD_TOKEN_ACTIVE;



    if ((q->usb_status >= 0) && (q->qh.token & QTD_TOKEN_IOC)) {

    if ((q->usb_status != USB_RET_NAK) && (q->qh.token & QTD_TOKEN_IOC)) {

        ehci_record_interrupt(q->ehci, USBSTS_INT);

    }

}