diff options
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/main.c')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/main.c | 41 |
1 files changed, 32 insertions, 9 deletions
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index d47921a84509..09714034dbf1 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; @@ -388,7 +389,6 @@ static void wl12xx_irq_update_links_status(struct wl1271 *wl, static int wlcore_fw_status(struct wl1271 *wl, struct wl_fw_status *status) { struct wl12xx_vif *wlvif; - struct timespec ts; u32 old_tx_blk_count = wl->tx_blocks_available; int avail, freed_blocks; int i; @@ -485,8 +485,7 @@ static int wlcore_fw_status(struct wl1271 *wl, struct wl_fw_status *status) } /* update the host-chipset time offset */ - getnstimeofday(&ts); - wl->time_offset = (timespec_to_ns(&ts) >> 10) - + wl->time_offset = (ktime_get_boot_ns() >> 10) - (s64)(status->fw_localtime); wl->fw_fast_lnk_map = status->link_fast_bitmap; @@ -979,6 +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); @@ -1326,7 +1343,6 @@ static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) } -#ifdef CONFIG_PM static int wl1271_validate_wowlan_pattern(struct cfg80211_pkt_pattern *p) { @@ -1698,8 +1714,8 @@ static void wl1271_configure_resume(struct wl1271 *wl, struct wl12xx_vif *wlvif) } } -static int wl1271_op_suspend(struct ieee80211_hw *hw, - struct cfg80211_wowlan *wow) +static int __maybe_unused wl1271_op_suspend(struct ieee80211_hw *hw, + struct cfg80211_wowlan *wow) { struct wl1271 *wl = hw->priv; struct wl12xx_vif *wlvif; @@ -1749,7 +1765,6 @@ 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) { @@ -1782,10 +1797,19 @@ 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; } -static int wl1271_op_resume(struct ieee80211_hw *hw) +static int __maybe_unused wl1271_op_resume(struct ieee80211_hw *hw) { struct wl1271 *wl = hw->priv; struct wl12xx_vif *wlvif; @@ -1869,7 +1893,6 @@ out: return 0; } -#endif static int wl1271_op_start(struct ieee80211_hw *hw) { |