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wl12xx: set the ELP entry delay to the FW dyn-ps timeout 

With PSM handled in FW, the checks in wl1271_elp_work() are always true.
Thus during active traffic we constantly enter and exit ELP (many times
per second). As each ELP exit takes ~10ms, this can have an adverse
effect on throughput and interactivity.
Set the ELP timeout to the dyn-ps timeout. This period is longer and
avoids the above problem. It also makes sense to stay out of ELP while
we are awake on the network, to minimize delays in Tx/Rx. The same thing
was done by the mac80211 dynamic-ps mechanism before the FW DPS changes.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Arik Nemtsov 2012-02-28 00:41:28 +02:00 committed by Luciano Coelho
parent e8b461c377
commit 5af70c864a
1 changed files with 1 additions and 3 deletions
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4
drivers/net/wireless/wl12xx/ps.c
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@ -69,8 +69,6 @@ out:
mutex_unlock(&wl->mutex);
}
#define ELP_ENTRY_DELAY 5
/* Routines to toggle sleep mode while in ELP */
void wl1271_ps_elp_sleep(struct wl1271 *wl)
{
@ -90,7 +88,7 @@ void wl1271_ps_elp_sleep(struct wl1271 *wl)
}
ieee80211_queue_delayed_work(wl->hw, &wl->elp_work,
msecs_to_jiffies(ELP_ENTRY_DELAY));
msecs_to_jiffies(wl->conf.conn.dynamic_ps_timeout));
}
int wl1271_ps_elp_wakeup(struct wl1271 *wl)