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From: Adrian Chadd <adrian@FreeBSD.org>
Date: Sun, 20 Sep 2015 22:52:40 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r288049 - head/sys/dev/usb/wlan
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Author: adrian
Date: Sun Sep 20 22:52:40 2015
New Revision: 288049
URL: https://svnweb.freebsd.org/changeset/base/288049

Log:
  Disable HT40 in if_rsu for now.  There's something missing in the HT40
  setup pieces and so (at least) transmit doesn't work.
  
  It'll just fall back to being a straight HT20 device and negotiate
  HT20 only.
  
  Tested by: Idwer Vollering <vidwer@gmail.com>

Modified:
  head/sys/dev/usb/wlan/if_rsu.c

Modified: head/sys/dev/usb/wlan/if_rsu.c
==============================================================================
--- head/sys/dev/usb/wlan/if_rsu.c	Sun Sep 20 22:27:19 2015	(r288048)
+++ head/sys/dev/usb/wlan/if_rsu.c	Sun Sep 20 22:52:40 2015	(r288049)
@@ -445,7 +445,13 @@ rsu_attach(device_t self)
 		    IEEE80211_HTCAP_MAXAMSDU_3839 |
 		    IEEE80211_HTCAP_SMPS_OFF;
 
+		/*
+		 * XXX HT40 isn't working in this driver yet - there's
+		 * something missing.  Disable it for now.
+		 */
+#if 0
 		ic->ic_htcaps |= IEEE80211_HTCAP_CHWIDTH40;
+#endif
 
 		/* set number of spatial streams */
 		ic->ic_txstream = 1;