diff options
| -rw-r--r-- | hw/usb/hcd-xhci.c | 13 |
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; } |