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

From 1e11b04bcc92b87388927282f8801e0b6f14ec91 Mon Sep 17 00:00:00 2001
From: Jake Day <jake@ninebysix.com>
Date: Thu, 6 Jun 2019 13:35:09 -0400
Subject: [PATCH 07/12] 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 eb24ec0e160d..8327ac3880c8 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4157,7 +4157,8 @@ 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