ath9k: Handle full sleep in ps_restore.
IDLE PS (Full Sleep) doesn't work when ifconfig up
is done during Idle unassociated state.
Fix this by restoring FULL SLEEP in ps_restore if CONF_IDLE
is set.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index bdbcc70..3f8a7e7 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -480,6 +480,7 @@
u8 nbcnvifs;
u16 nvifs;
bool ps_enabled;
+ bool ps_idle;
unsigned long ps_usecount;
enum ath9k_int imask;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 6f3e71c5..e04835c 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -143,8 +143,10 @@
if (--sc->ps_usecount != 0)
goto unlock;
- if (sc->ps_enabled &&
- !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
+ if (sc->ps_idle)
+ ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
+ else if (sc->ps_enabled &&
+ !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
PS_WAIT_FOR_CAB |
PS_WAIT_FOR_PSPOLL_DATA |
PS_WAIT_FOR_TX_ACK)))
@@ -1528,6 +1530,7 @@
spin_unlock_bh(&sc->wiphy_lock);
if (enable_radio) {
+ sc->ps_idle = false;
ath_radio_enable(sc, hw);
ath_print(common, ATH_DBG_CONFIG,
"not-idle: enabling radio\n");
@@ -1635,6 +1638,7 @@
if (disable_radio) {
ath_print(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
+ sc->ps_idle = true;
ath_radio_disable(sc, hw);
}