aboutsummaryrefslogtreecommitdiff
path: root/hw/usb/hcd-xhci.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/usb/hcd-xhci.c')
-rw-r--r--hw/usb/hcd-xhci.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index ff5f68135c..58c88b8a6b 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -2672,7 +2672,7 @@ static void xhci_port_update(XHCIPort *port, int is_detach)
xhci_port_notify(port, PORTSC_CSC);
}
-static void xhci_port_reset(XHCIPort *port)
+static void xhci_port_reset(XHCIPort *port, bool warm_reset)
{
trace_usb_xhci_port_reset(port->portnr);
@@ -2683,6 +2683,11 @@ static void xhci_port_reset(XHCIPort *port)
usb_device_reset(port->uport->dev);
switch (port->uport->dev->speed) {
+ case USB_SPEED_SUPER:
+ if (warm_reset) {
+ port->portsc |= PORTSC_WRC;
+ }
+ /* fall through */
case USB_SPEED_LOW:
case USB_SPEED_FULL:
case USB_SPEED_HIGH:
@@ -2845,8 +2850,12 @@ static void xhci_port_write(void *ptr, hwaddr reg,
switch (reg) {
case 0x00: /* PORTSC */
/* write-1-to-start bits */
+ if (val & PORTSC_WPR) {
+ xhci_port_reset(port, true);
+ break;
+ }
if (val & PORTSC_PR) {
- xhci_port_reset(port);
+ xhci_port_reset(port, false);
break;
}