From: Arik Nemtsov <arik@wizery.com>
Date: Mon, 10 Feb 2014 10:49:39 +0000 (+0200)
Subject: iwlwifi: mvm: abort scan on sched_scan request
X-Git-Tag: v3.15-rc1~113^2~93^2^2~12^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91b80256b6ef64c3ec21210f7b4a0256c2c47f64;p=pandora-kernel.git

iwlwifi: mvm: abort scan on sched_scan request

A scheduled scan is a more persistent setting and should take priority
over temporary regular scans. Abort the regular when a sched_scan
request arrives and then request the sched_scan.

The kernel API allows sending a sched_scan without canceling a regular
scan in progress, so this is our way to abstract the FW's limitations.

Make the scan-cancel Rx handler async and flush after invocation to
ensure new scans can't creep in before it.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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