diff options
Diffstat (limited to 'hw/usb/hcd-xhci.c')
| -rw-r--r-- | hw/usb/hcd-xhci.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index c3377ee..220e99d 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -3025,6 +3025,14 @@ static void xhci_oper_write(void *ptr, hwaddr reg, } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { xhci_stop(xhci); } + if (val & USBCMD_CSS) { + /* save state */ + xhci->usbsts &= ~USBSTS_SRE; + } + if (val & USBCMD_CRS) { + /* restore state */ + xhci->usbsts |= USBSTS_SRE; + } xhci->usbcmd = val & 0xc0f; xhci_mfwrap_update(xhci); if (val & USBCMD_HCRST) { |