src/mainboard/starlabs/lite/smihandler.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <acpi/acpi.h>
   4 #include <cpu/x86/smm.h>
   5 #include <intelblocks/xhci.h>
   6
   7 void mainboard_smi_sleep(u8 slp_typ)
   8 {
   9         /*
  10          * Workaround: Reset the XHCI controller prior to S5 to avoid
  11          * XHCI preventing shutdown. Linux needs to put the XHCI into D3
  12          * before shutting down but the powerstate commands do not
  13          * perform a reset.
  14          */
  15         if (slp_typ == ACPI_S5)
  16                 xhci_host_reset();
  17 }