Patch "rtl8xxxu: Work around issue with 8192eu and 8723bu devices not reconnecting" has been added to the 4.9-stable tree

Patch "rtl8xxxu: Work around issue with 8192eu and 8723bu devices not reconnecting" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    rtl8xxxu: Work around issue with 8192eu and 8723bu devices not reconnecting

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     rtl8xxxu-work-around-issue-with-8192eu-and-8723bu-devices-not-reconnecting.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From c59f13bbead475096bdfebc7ef59c12e180858de Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Tue, 29 Nov 2016 18:59:02 -0500
Subject: rtl8xxxu: Work around issue with 8192eu and 8723bu devices not reconnecting

From: Jes Sorensen <Jes.Sorensen@redhat.com>

commit c59f13bbead475096bdfebc7ef59c12e180858de upstream.

The H2C MEDIA_STATUS_RPT command for some reason causes 8192eu and
8723bu devices not being able to reconnect.

Reported-by: Barry Day <briselec@gmail.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -4372,6 +4372,13 @@ void rtl8xxxu_gen1_report_connect(struct
 void rtl8xxxu_gen2_report_connect(struct rtl8xxxu_priv *priv,
 				  u8 macid, bool connect)
 {
+#ifdef RTL8XXXU_GEN2_REPORT_CONNECT
+	/*
+	 * Barry Day reports this causes issues with 8192eu and 8723bu
+	 * devices reconnecting. The reason for this is unclear, but
+	 * until it is better understood, leave the code in place but
+	 * disabled, so it is not lost.
+	 */
 	struct h2c_cmd h2c;
 
 	memset(&h2c, 0, sizeof(struct h2c_cmd));
@@ -4383,6 +4390,7 @@ void rtl8xxxu_gen2_report_connect(struct
 		h2c.media_status_rpt.parm &= ~BIT(0);
 
 	rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.media_status_rpt));
+#endif
 }
 
 void rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv *priv)


Patches currently in stable-queue which might be from Jes.Sorensen@redhat.com are

queue-4.9/rtl8xxxu-work-around-issue-with-8192eu-and-8723bu-devices-not-reconnecting.patch