From: Juuso Oikarinen <juuso.oikarinen@xxxxxxxxx>
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@xxxxxxxxx>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@xxxxxxxxx>
Signed-off-by: Luciano Coelho <luciano.coelho@xxxxxxxxx>
---
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 a29969e..7894600 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 4adc516..5517141 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 5a04482..a5e60e0 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));
--
1.6.3.3
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