From 11c39809070fc0eb3aacb0d9ee71cd3678144f66 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 fa252870c926..95a90ea08975 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;
 
-- 
2.17.1