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authorAndy Lutomirski <luto@amacapital.net>2014-06-07 09:21:15 -0700
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2014-06-24 21:55:31 +0300
commitc9e38e770981ff25d203f0f5c1423a863c484446 (patch)
tree2d3ee0f2882c2470b5fb2f4acd07fe22b64d898e /drivers/net/wireless/iwlwifi/dvm
parentf40faf623712153a64f39d2bddad2fc5a4f5e12d (diff)
downloadop-kernel-dev-c9e38e770981ff25d203f0f5c1423a863c484446.zip
op-kernel-dev-c9e38e770981ff25d203f0f5c1423a863c484446.tar.gz
iwlwifi: dvm: add a force_cam module parameter to fully disable power saving
iwldvm stalls are often blamed on power management. Add an option to force it all the way off. Signed-off-by: Andy Lutomirski <luto@amacapital.net> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/dvm')
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/power.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/dvm/power.c b/drivers/net/wireless/iwlwifi/dvm/power.c
index f2c1439..760c45c 100644
--- a/drivers/net/wireless/iwlwifi/dvm/power.c
+++ b/drivers/net/wireless/iwlwifi/dvm/power.c
@@ -40,6 +40,10 @@
#include "commands.h"
#include "power.h"
+static bool force_cam;
+module_param(force_cam, bool, 0644);
+MODULE_PARM_DESC(force_cam, "force continuously aware mode (no power saving at all)");
+
/*
* Setting power level allows the card to go to sleep when not busy.
*
@@ -288,6 +292,11 @@ static void iwl_power_build_cmd(struct iwl_priv *priv,
bool enabled = priv->hw->conf.flags & IEEE80211_CONF_PS;
int dtimper;
+ if (force_cam) {
+ iwl_power_sleep_cam_cmd(priv, cmd);
+ return;
+ }
+
dtimper = priv->hw->conf.ps_dtim_period ?: 1;
if (priv->wowlan)
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