Commit 6a32f80f authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files

xhci: add xhci_port_have_device 



Factor out the code which checks whenever a usb device is attached
to the port in question.  No functional change.

Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent f3214027

hw/usb/hcd-xhci.c

+12 −2
Original line number Diff line number Diff line
@@ -2337,11 +2337,21 @@ static void xhci_process_commands(XHCIState *xhci) 
    }

}



static bool xhci_port_have_device(XHCIPort *port)

{

    if (!port->uport->dev || !port->uport->dev->attached) {

        return false; /* no device present */

    }

    if (!((1 << port->uport->dev->speed) & port->speedmask)) {

        return false; /* speed mismatch */

    }

    return true;

}



static void xhci_port_update(XHCIPort *port, int is_detach)

{

    port->portsc = PORTSC_PP;

    if (port->uport->dev && port->uport->dev->attached && !is_detach &&

        (1 << port->uport->dev->speed) & port->speedmask) {

    if (!is_detach && xhci_port_have_device(port)) {

        port->portsc |= PORTSC_CCS;

        switch (port->uport->dev->speed) {

        case USB_SPEED_LOW: