From 6921c206918a2bd9882bbf77211d37a063233d95 Mon Sep 17 00:00:00 2001
From: Li Jun <jun.li@nxp.com>
Date: Thu, 8 Aug 2019 16:13:40 +0800
Subject: [PATCH] MLK-22099 usb: host: xhci: do warm reset for link state
rxdect
As some USB3 port will lose link state while system sleep, then
the link state will be at rxdect after resume, we need a warm
reset to bring it back, so add the rxdect condition for CAS
missing.
Signed-off-by: Li Jun <jun.li@nxp.com>
---
drivers/usb/host/xhci-hub.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1733,7 +1733,8 @@ static bool xhci_port_missing_cas_quirk(
return false;
if (((portsc & PORT_PLS_MASK) != XDEV_POLLING) &&
- ((portsc & PORT_PLS_MASK) != XDEV_COMP_MODE))
+ ((portsc & PORT_PLS_MASK) != XDEV_COMP_MODE) &&
+ ((portsc & PORT_PLS_MASK) != XDEV_RXDETECT))
return false;
/* clear wakeup/change bits, and do a warm port reset */
