Commit 9f0f1a0c authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files

uhci: egsm fix 



When the guest goes suspend the uhci controller while there are
pending resume requests on the ports go signal global resume
instantly.

Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent ed60ff02

hw/usb/hcd-uhci.c

+7 −0
Original line number Diff line number Diff line
@@ -189,6 +189,7 @@ typedef struct UHCI_QH { 


static void uhci_async_cancel(UHCIAsync *async);

static void uhci_queue_fill(UHCIQueue *q, UHCI_TD *td);

static void uhci_resume(void *opaque);



static inline int32_t uhci_queue_token(UHCI_TD *td)

{
@@ -498,6 +499,12 @@ static void uhci_port_write(void *opaque, hwaddr addr, 
            return;

        }

        s->cmd = val;

        if (val & UHCI_CMD_EGSM) {

            if ((s->ports[0].ctrl & UHCI_PORT_RD) ||

                (s->ports[1].ctrl & UHCI_PORT_RD)) {

                uhci_resume(s);

            }

        }

        break;

    case 0x02:

        s->status &= ~val;