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@xxxxxxxxxxxxxxx> know about it.
>From c59f13bbead475096bdfebc7ef59c12e180858de Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
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@xxxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxxx are
queue-4.9/rtl8xxxu-work-around-issue-with-8192eu-and-8723bu-devices-not-reconnecting.patch
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