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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>
This commit is contained in:
Andy Lutomirski 2014-06-07 09:21:15 -07:00 committed by Emmanuel Grumbach
parent f40faf6237
commit c9e38e7709
1 changed files with 9 additions and 0 deletions
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9
drivers/net/wireless/iwlwifi/dvm/power.c
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@ -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)