diff options
author | Juuso Oikarinen <juuso.oikarinen@nokia.com> | 2010-04-09 10:07:29 +0200 |
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committer | John W. Linville <linville@tuxdriver.com> | 2010-04-09 19:43:10 +0200 |
commit | e19728181ca7187fa0ecb7076ce681311cf785e7 (patch) | |
tree | f766521cd0a678317fbedf20edccb6ed981ddaf9 | |
parent | wl1271: Fix mac80211 RTS threshold requests during WL1271_STATE_OFF (diff) | |
download | linux-e19728181ca7187fa0ecb7076ce681311cf785e7.tar.xz linux-e19728181ca7187fa0ecb7076ce681311cf785e7.zip |
wl1271: Go to ELP in idle
Allow the wl1271 go to ELP mode also in idle. This will reduce current
consumption remarkably in idle mode (~12mA -> ~0.2mA)
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r-- | drivers/net/wireless/wl12xx/wl1271.h | 1 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_main.c | 4 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_ps.c | 6 |
3 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h index a29969efc861..789460074670 100644 --- a/drivers/net/wireless/wl12xx/wl1271.h +++ b/drivers/net/wireless/wl12xx/wl1271.h @@ -374,6 +374,7 @@ struct wl1271 { #define WL1271_FLAG_PSM_REQUESTED (8) #define WL1271_FLAG_IRQ_PENDING (9) #define WL1271_FLAG_IRQ_RUNNING (10) +#define WL1271_FLAG_IDLE (11) unsigned long flags; struct wl1271_partition_set part; diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c index 4adc5162e7e5..551714164ff5 100644 --- a/drivers/net/wireless/wl12xx/wl1271_main.c +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -1272,7 +1272,9 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) wl1271_acx_keep_alive_config( wl, CMD_TEMPL_KLV_IDX_NULL_DATA, ACX_KEEP_ALIVE_TPL_INVALID); - } + set_bit(WL1271_FLAG_IDLE, &wl->flags); + } else + clear_bit(WL1271_FLAG_IDLE, &wl->flags); } if (conf->flags & IEEE80211_CONF_PS && diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.c b/drivers/net/wireless/wl12xx/wl1271_ps.c index 5a04482b9353..a5e60e0403e5 100644 --- a/drivers/net/wireless/wl12xx/wl1271_ps.c +++ b/drivers/net/wireless/wl12xx/wl1271_ps.c @@ -40,7 +40,8 @@ void wl1271_elp_work(struct work_struct *work) mutex_lock(&wl->mutex); if (test_bit(WL1271_FLAG_IN_ELP, &wl->flags) || - !test_bit(WL1271_FLAG_PSM, &wl->flags)) + (!test_bit(WL1271_FLAG_PSM, &wl->flags) && + !test_bit(WL1271_FLAG_IDLE, &wl->flags))) goto out; wl1271_debug(DEBUG_PSM, "chip to elp"); @@ -56,7 +57,8 @@ out: /* Routines to toggle sleep mode while in ELP */ void wl1271_ps_elp_sleep(struct wl1271 *wl) { - if (test_bit(WL1271_FLAG_PSM, &wl->flags)) { + if (test_bit(WL1271_FLAG_PSM, &wl->flags) || + test_bit(WL1271_FLAG_IDLE, &wl->flags)) { cancel_delayed_work(&wl->elp_work); ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, msecs_to_jiffies(ELP_ENTRY_DELAY)); |