From e19728181ca7187fa0ecb7076ce681311cf785e7 Mon Sep 17 00:00:00 2001 From: Juuso Oikarinen Date: Fri, 9 Apr 2010 11:07:29 +0300 Subject: [PATCH] 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 Reviewed-by: Teemu Paasikivi Signed-off-by: Luciano Coelho Signed-off-by: John W. Linville --- drivers/net/wireless/wl12xx/wl1271.h | 1 + drivers/net/wireless/wl12xx/wl1271_main.c | 4 +++- 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 a29969efc86..78946007467 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 4adc5162e7e..551714164ff 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 5a04482b935..a5e60e0403e 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)); -- 2.20.1