diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 17:14:38 +1100 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 17:14:38 +1100 |
commit | bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71 (patch) | |
tree | 2f6dffd2d3e4dd67355a224de7e7a960335a92fd /drivers/net/wireless/wl12xx/wl1251_ps.c | |
parent | 11c34c7deaeeebcee342cbc35e1bb2a6711b2431 (diff) | |
parent | 3ff6a468b45b5dfeb0e903e56f4eb27d34b2437c (diff) |
Merge commit 'origin/master' into next
Conflicts:
include/linux/kvm.h
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1251_ps.c')
-rw-r--r-- | drivers/net/wireless/wl12xx/wl1251_ps.c | 44 |
1 files changed, 39 insertions, 5 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1251_ps.c b/drivers/net/wireless/wl12xx/wl1251_ps.c index c53e28727ed..9931b197ff7 100644 --- a/drivers/net/wireless/wl12xx/wl1251_ps.c +++ b/drivers/net/wireless/wl12xx/wl1251_ps.c @@ -28,17 +28,41 @@ #define WL1251_WAKEUP_TIMEOUT 2000 -/* Routines to toggle sleep mode while in ELP */ -void wl1251_ps_elp_sleep(struct wl1251 *wl) +void wl1251_elp_work(struct work_struct *work) { + struct delayed_work *dwork; + struct wl1251 *wl; + + dwork = container_of(work, struct delayed_work, work); + wl = container_of(dwork, struct wl1251, elp_work); + + wl1251_debug(DEBUG_PSM, "elp work"); + + mutex_lock(&wl->mutex); + if (wl->elp || !wl->psm) - return; + goto out; wl1251_debug(DEBUG_PSM, "chip to elp"); - wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP); - wl->elp = true; + +out: + mutex_unlock(&wl->mutex); +} + +#define ELP_ENTRY_DELAY 5 + +/* Routines to toggle sleep mode while in ELP */ +void wl1251_ps_elp_sleep(struct wl1251 *wl) +{ + unsigned long delay; + + if (wl->psm) { + cancel_delayed_work(&wl->elp_work); + delay = msecs_to_jiffies(ELP_ENTRY_DELAY); + ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, delay); + } } int wl1251_ps_elp_wakeup(struct wl1251 *wl) @@ -119,6 +143,11 @@ int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode) case STATION_POWER_SAVE_MODE: wl1251_debug(DEBUG_PSM, "entering psm"); + /* enable beacon filtering */ + ret = wl1251_acx_beacon_filter_opt(wl, true); + if (ret < 0) + return ret; + ret = wl1251_acx_wake_up_conditions(wl, WAKE_UP_EVENT_DTIM_BITMAP, wl->listen_int); @@ -142,6 +171,11 @@ int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode) if (ret < 0) return ret; + /* disable beacon filtering */ + ret = wl1251_acx_beacon_filter_opt(wl, false); + if (ret < 0) + return ret; + ret = wl1251_acx_wake_up_conditions(wl, WAKE_UP_EVENT_DTIM_BITMAP, wl->listen_int); |