diff options
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/main.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 946a7124b09e..6ce457022dc9 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -42,6 +42,7 @@ #include "sysfs.h" #define WL1271_BOOT_RETRIES 3 +#define WL1271_SUSPEND_SLEEP 100 static char *fwlog_param; static int fwlog_mem_blocks = -1; @@ -977,6 +978,24 @@ static int wlcore_fw_wakeup(struct wl1271 *wl) return wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); } +static int wlcore_fw_sleep(struct wl1271 *wl) +{ + int ret; + + mutex_lock(&wl->mutex); + ret = wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_SLEEP); + if (ret < 0) { + wl12xx_queue_recovery_work(wl); + goto out; + } + set_bit(WL1271_FLAG_IN_ELP, &wl->flags); +out: + mutex_unlock(&wl->mutex); + mdelay(WL1271_SUSPEND_SLEEP); + + return 0; +} + static int wl1271_setup(struct wl1271 *wl) { wl->raw_fw_status = kzalloc(wl->fw_status_len, GFP_KERNEL); @@ -1747,7 +1766,6 @@ static int wl1271_op_suspend(struct ieee80211_hw *hw, goto out_sleep; out_sleep: - wl1271_ps_elp_sleep(wl); mutex_unlock(&wl->mutex); if (ret < 0) { @@ -1780,6 +1798,15 @@ out_sleep: */ cancel_delayed_work(&wl->tx_watchdog_work); + /* + * Use an immediate call for allowing the firmware to go into power + * save during suspend. + * Using a workque for this last write was only hapenning on resume + * leaving the firmware with power save disabled during suspend, + * while consuming full power during wowlan suspend. + */ + wlcore_fw_sleep(wl); + return 0; } |