Search Linux Wireless

[PATCH 13/27] iwlwifi: dvm: add a force_cam module parameter to fully disable power saving

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux