linux-surface/patches/4.19/0007-sdcard-reader.patch

From e8dfbab5b983d3b8dfa9cd4fa04916a5a7a94731 Mon Sep 17 00:00:00 2001
From: Jake Day <jake@ninebysix.com>
Date: Sat, 16 Feb 2019 13:24:38 -0500
Subject: [PATCH 07/11] sdcard-reader

---
 drivers/usb/core/hub.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 3adff4da2ee1..7980accfe9df 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4160,7 +4160,8 @@ void usb_enable_lpm(struct usb_device *udev)
 	if (!udev || !udev->parent ||
 			udev->speed < USB_SPEED_SUPER ||
 			!udev->lpm_capable ||
-			udev->state < USB_STATE_DEFAULT)
+			udev->state < USB_STATE_DEFAULT ||
+			!udev->bos || !udev->bos->ss_cap)
 		return;
 
 	udev->lpm_disable_count--;
-- 
2.19.1