linux-kernel - [ 016/127] iwlwifi: mvm: Always use SCAN_TYPE

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Date:	Wed,  5 Jun 2013 14:33:03 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Ilan Peer <ilan.peer@...el.com>,
	Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
	Johannes Berg <johannes.berg@...el.com>
Subject: [ 016/127] iwlwifi: mvm: Always use SCAN_TYPE_FORCED

3.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ilan Peer <ilan.peer@...el.com>

commit f70ed7b330ce769828d402f920fb13da6c13ea63 upstream.

The FW AUX framework does not handle well cases where time events
fail to be scheduled (and as a result issues assert 0x3330). Until
a proper fix is in place, WA this by always setting the scan type to
SCAN_TYPE_FORCED.

Signed-off-by: Ilan Peer <ilan.peer@...el.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@...el.com>
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/wireless/iwlwifi/mvm/scan.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -298,6 +298,12 @@ int iwl_mvm_scan_request(struct iwl_mvm
 	else
 		cmd->type = cpu_to_le32(SCAN_TYPE_FORCED);
 
+	/*
+	 * TODO: This is a WA due to a bug in the FW AUX framework that does not
+	 * properly handle time events that fail to be scheduled
+	 */
+	cmd->type = cpu_to_le32(SCAN_TYPE_FORCED);
+
 	cmd->repeats = cpu_to_le32(1);
 
 	/*


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