From c6666e0829fe6ef96aae922793c0d156ac8e993a Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Tue, 18 Feb 2020 17:12:18 +0200
Subject: [PATCH] usb: dwc3: Add ACPI support for xHCI ports

The ACPI companion of the adapter has to be set for xHCI controller
code to read and attach the ports described in the ACPI table.
Use ACPI_COMPANION_SET macro to set this.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
---
 drivers/usb/dwc3/host.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index fa252870c926f..95a90ea08975a 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -7,6 +7,7 @@
  * Authors: Felipe Balbi <balbi@ti.com>,
  */
 
+#include <linux/acpi.h>
 #include <linux/platform_device.h>
 
 #include "core.h"
@@ -75,6 +76,7 @@ int dwc3_host_init(struct dwc3 *dwc)
 	}
 
 	xhci->dev.parent	= dwc->dev;
+	ACPI_COMPANION_SET(&xhci->dev, ACPI_COMPANION(dwc->dev));
 
 	dwc->xhci = xhci;
 
-- 
2.39.5