From: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
iwldvm stalls are often blamed on power management. Add an option
to force it all the way off.
Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/dvm/power.c | 9 +++++++++
1 file changed, 9 insertions(+)
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)
--
1.8.3.2
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