diff options
| -rw-r--r-- | drivers/net/wireless/ti/wl18xx/debugfs.c | 26 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/acx.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/cmd.c | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/debugfs.c | 79 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/main.c | 410 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/ps.c | 146 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/ps.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/scan.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/sysfs.c | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/testmode.c | 18 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/tx.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/vendor_cmd.c | 27 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/wlcore.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/wlcore_i.h | 1 |
14 files changed, 416 insertions, 338 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c index 86ccf84ea0c6..f84a4963fa81 100644 --- a/drivers/net/wireless/ti/wl18xx/debugfs.c +++ b/drivers/net/wireless/ti/wl18xx/debugfs.c @@ -20,6 +20,8 @@ * */ +#include <linux/pm_runtime.h> + #include "../wlcore/debugfs.h" #include "../wlcore/wlcore.h" #include "../wlcore/debug.h" @@ -276,15 +278,17 @@ static ssize_t radar_detection_write(struct file *file, if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl18xx_cmd_radar_detection_debug(wl, channel); if (ret < 0) count = ret; - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); return count; @@ -315,15 +319,17 @@ static ssize_t dynamic_fw_traces_write(struct file *file, if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl18xx_acx_dynamic_fw_traces(wl); if (ret < 0) count = ret; - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); return count; @@ -374,9 +380,11 @@ static ssize_t radar_debug_mode_write(struct file *file, if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl12xx_for_each_wlvif_ap(wl, wlvif) { wlcore_cmd_generic_cfg(wl, wlvif, @@ -384,7 +392,7 @@ static ssize_t radar_debug_mode_write(struct file *file, wl->radar_debug_mode, 0); } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); return count; diff --git a/drivers/net/wireless/ti/wlcore/acx.c b/drivers/net/wireless/ti/wlcore/acx.c index 3ca9167d6146..7c83915a7c5e 100644 --- a/drivers/net/wireless/ti/wlcore/acx.c +++ b/drivers/net/wireless/ti/wlcore/acx.c @@ -31,7 +31,6 @@ #include "wlcore.h" #include "debug.h" #include "wl12xx_80211.h" -#include "ps.h" #include "hw_ops.h" int wl1271_acx_wake_up_conditions(struct wl1271 *wl, struct wl12xx_vif *wlvif, diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index f48c3f62966d..9359e02856dc 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -23,6 +23,7 @@ #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/spi/spi.h> #include <linux/etherdevice.h> #include <linux/ieee80211.h> @@ -35,7 +36,6 @@ #include "wl12xx_80211.h" #include "cmd.h" #include "event.h" -#include "ps.h" #include "tx.h" #include "hw_ops.h" @@ -192,9 +192,12 @@ int wlcore_cmd_wait_for_event_or_timeout(struct wl1271 *wl, timeout_time = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); + return ret; + } do { if (time_after(jiffies, timeout_time)) { @@ -227,7 +230,7 @@ int wlcore_cmd_wait_for_event_or_timeout(struct wl1271 *wl, } while (!event); out: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); kfree(events_vector); return ret; } diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index a2cb408be8aa..b33dbec9b531 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -26,6 +26,7 @@ #include <linux/skbuff.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/pm_runtime.h> #include "wlcore.h" #include "debug.h" @@ -65,9 +66,11 @@ void wl1271_debugfs_update_stats(struct wl1271 *wl) if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } if (!wl->plt && time_after(jiffies, wl->stats.fw_stats_update + @@ -76,7 +79,7 @@ void wl1271_debugfs_update_stats(struct wl1271 *wl) wl->stats.fw_stats_update = jiffies; } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -118,14 +121,17 @@ static void chip_op_handler(struct wl1271 *wl, unsigned long value, return; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); + return; + } chip_op = arg; chip_op(wl); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); } @@ -292,9 +298,11 @@ static ssize_t dynamic_ps_timeout_write(struct file *file, if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } /* In case we're already in PSM, trigger it again to set new timeout * immediately without waiting for re-association @@ -305,7 +313,7 @@ static ssize_t dynamic_ps_timeout_write(struct file *file, wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE); } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -359,9 +367,11 @@ static ssize_t forced_ps_write(struct file *file, if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } /* In case we're already in PSM, trigger it again to switch mode * immediately without waiting for re-association @@ -374,7 +384,7 @@ static ssize_t forced_ps_write(struct file *file, wl1271_ps_set_mode(wl, wlvif, ps_mode); } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -838,15 +848,17 @@ static ssize_t rx_streaming_interval_write(struct file *file, wl->conf.rx_streaming.interval = value; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl12xx_for_each_wlvif_sta(wl, wlvif) { wl1271_recalc_rx_streaming(wl, wlvif); } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); return count; @@ -893,15 +905,17 @@ static ssize_t rx_streaming_always_write(struct file *file, wl->conf.rx_streaming.always = value; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl12xx_for_each_wlvif_sta(wl, wlvif) { wl1271_recalc_rx_streaming(wl, wlvif); } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); return count; @@ -940,15 +954,17 @@ static ssize_t beacon_filtering_write(struct file *file, mutex_lock(&wl->mutex); - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl12xx_for_each_wlvif(wl, wlvif) { ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value); } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); return count; @@ -1019,16 +1035,18 @@ static ssize_t sleep_auth_write(struct file *file, goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl1271_acx_sleep_auth(wl, value); if (ret < 0) goto out_sleep; out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); return count; @@ -1083,7 +1101,7 @@ static ssize_t dev_mem_read(struct file *file, * Don't fail if elp_wakeup returns an error, so the device's memory * could be read even if the FW crashed */ - wl1271_ps_elp_wakeup(wl); + pm_runtime_get_sync(wl->dev); /* store current partition and switch partition */ memcpy(&old_part, &wl->curr_part, sizeof(old_part)); @@ -1102,7 +1120,7 @@ read_err: goto part_err; part_err: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); skip_read: mutex_unlock(&wl->mutex); @@ -1164,7 +1182,7 @@ static ssize_t dev_mem_write(struct file *file, const char __user *user_buf, * Don't fail if elp_wakeup returns an error, so the device's memory * could be read even if the FW crashed */ - wl1271_ps_elp_wakeup(wl); + pm_runtime_get_sync(wl->dev); /* store current partition and switch partition */ memcpy(&old_part, &wl->curr_part, sizeof(old_part)); @@ -1183,7 +1201,7 @@ write_err: goto part_err; part_err: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); skip_write: mutex_unlock(&wl->mutex); @@ -1247,8 +1265,9 @@ static ssize_t fw_logger_write(struct file *file, } mutex_lock(&wl->mutex); - ret = wl1271_ps_elp_wakeup(wl); + ret = pm_runtime_get_sync(wl->dev); if (ret < 0) { + pm_runtime_put_noidle(wl->dev); count = ret; goto out; } @@ -1257,7 +1276,7 @@ static ssize_t fw_logger_write(struct file *file, ret = wl12xx_cmd_config_fwlog(wl); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 14bb84cccdf0..8eccd0d1f329 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -26,6 +26,7 @@ #include <linux/vmalloc.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/pm_runtime.h> #include "wlcore.h" #include "debug.h" @@ -43,6 +44,7 @@ #define WL1271_BOOT_RETRIES 3 #define WL1271_SUSPEND_SLEEP 100 +#define WL1271_WAKEUP_TIMEOUT 500 static char *fwlog_param; static int fwlog_mem_blocks = -1; @@ -153,9 +155,11 @@ static void wl1271_rx_streaming_enable_work(struct work_struct *work) if (!wl->conf.rx_streaming.interval) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl1271_set_rx_streaming(wl, wlvif, true); if (ret < 0) @@ -166,7 +170,7 @@ static void wl1271_rx_streaming_enable_work(struct work_struct *work) jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); } @@ -183,16 +187,18 @@ static void wl1271_rx_streaming_disable_work(struct work_struct *work) if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl1271_set_rx_streaming(wl, wlvif, false); if (ret) goto out_sleep; out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); } @@ -229,9 +235,11 @@ static void wlcore_rc_update_work(struct work_struct *work) if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } if (ieee80211_vif_is_mesh(vif)) { ret = wl1271_acx_set_ht_capabilities(wl, &wlvif->rc_ht_cap, @@ -243,7 +251,7 @@ static void wlcore_rc_update_work(struct work_struct *work) } out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); } @@ -539,15 +547,16 @@ static int wlcore_irq_locked(struct wl1271 *wl) if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } while (!done && loopcount--) { /* * In order to avoid a race with the hardirq, clear the flag - * before acknowledging the chip. Since the mutex is held, - * wl1271_ps_elp_wakeup cannot be called concurrently. + * before acknowledging the chip. */ clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); smp_mb__after_atomic(); @@ -641,7 +650,7 @@ static int wlcore_irq_locked(struct wl1271 *wl) wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: return ret; @@ -817,6 +826,7 @@ size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) static void wl12xx_read_fwlog_panic(struct wl1271 *wl) { u32 end_of_log = 0; + int error; if (wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) return; @@ -828,8 +838,11 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl) * Do not send a stop fwlog command if the fw is hanged or if * dbgpins are used (due to some fw bug). */ - if (wl1271_ps_elp_wakeup(wl)) + error = pm_runtime_get_sync(wl->dev); + if (error < 0) { + pm_runtime_put_noidle(wl->dev); return; + } if (!wl->watchdog_recovery && wl->conf.fwlog.output != WL12XX_FWLOG_OUTPUT_DBG_PINS) wl12xx_cmd_stop_fwlog(wl); @@ -924,9 +937,11 @@ static void wl1271_recovery_work(struct work_struct *work) if (wl->state == WLCORE_STATE_OFF || wl->plt) goto out_unlock; - error = wl1271_ps_elp_wakeup(wl); - if (error < 0) + error = pm_runtime_get_sync(wl->dev); + if (error < 0) { wl1271_warning("Enable for recovery failed"); + pm_runtime_put_noidle(wl->dev); + } wlcore_disable_interrupts_nosync(wl); if (!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) { @@ -971,7 +986,7 @@ static void wl1271_recovery_work(struct work_struct *work) */ wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out_unlock: wl->watchdog_recovery = false; @@ -1190,7 +1205,6 @@ int wl1271_plt_stop(struct wl1271 *wl) wl1271_flush_deferred_work(wl); cancel_work_sync(&wl->netstack_work); cancel_work_sync(&wl->recovery_work); - cancel_delayed_work_sync(&wl->elp_work); cancel_delayed_work_sync(&wl->tx_watchdog_work); mutex_lock(&wl->mutex); @@ -1740,8 +1754,9 @@ static int __maybe_unused wl1271_op_suspend(struct ieee80211_hw *hw, mutex_lock(&wl->mutex); - ret = wl1271_ps_elp_wakeup(wl); + ret = pm_runtime_get_sync(wl->dev); if (ret < 0) { + pm_runtime_put_noidle(wl->dev); mutex_unlock(&wl->mutex); return ret; } @@ -1771,6 +1786,7 @@ static int __maybe_unused wl1271_op_suspend(struct ieee80211_hw *hw, goto out_sleep; out_sleep: + pm_runtime_put_noidle(wl->dev); mutex_unlock(&wl->mutex); if (ret < 0) { @@ -1795,7 +1811,6 @@ out_sleep: wlcore_enable_interrupts(wl); flush_work(&wl->tx_work); - flush_delayed_work(&wl->elp_work); /* * Cancel the watchdog even if above tx_flush failed. We will detect @@ -1863,9 +1878,11 @@ static int __maybe_unused wl1271_op_resume(struct ieee80211_hw *hw) goto out_sleep; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl12xx_for_each_wlvif(wl, wlvif) { if (wlcore_is_p2p_mgmt(wlvif)) @@ -1884,7 +1901,7 @@ static int __maybe_unused wl1271_op_resume(struct ieee80211_hw *hw) goto out_sleep; out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: wl->wow_enabled = false; @@ -1951,7 +1968,6 @@ static void wlcore_op_stop_locked(struct wl1271 *wl) cancel_delayed_work_sync(&wl->scan_complete_work); cancel_work_sync(&wl->netstack_work); cancel_work_sync(&wl->tx_work); - cancel_delayed_work_sync(&wl->elp_work); cancel_delayed_work_sync(&wl->tx_watchdog_work); /* let's notify MAC80211 about the remaining pending TX frames */ @@ -2066,13 +2082,15 @@ static void wlcore_channel_switch_work(struct work_struct *work) vif = wl12xx_wlvif_to_vif(wlvif); ieee80211_chswitch_done(vif, false); - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl12xx_cmd_stop_channel_switch(wl, wlvif); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); } @@ -2134,14 +2152,16 @@ static void wlcore_pending_auth_complete_work(struct work_struct *work) if (!time_after(time_spare, wlvif->pending_auth_reply_time)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } /* cancel the ROC if active */ wlcore_update_inconn_sta(wl, wlvif, NULL, false); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); } @@ -2543,9 +2563,11 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, wl12xx_get_vif_count(hw, vif, &vif_count); mutex_lock(&wl->mutex); - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out_unlock; + } /* * in some very corner case HW recovery scenarios its possible to @@ -2628,7 +2650,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, else wl->sta_count++; out: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out_unlock: mutex_unlock(&wl->mutex); @@ -2683,9 +2705,11 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl, if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { /* disable active roles */ - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto deinit; + } if (wlvif->bss_type == BSS_TYPE_STA_BSS || wlvif->bss_type == BSS_TYPE_IBSS) { @@ -2703,7 +2727,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl, goto deinit; } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); } deinit: wl12xx_tx_reset_wlvif(wl, wlvif); @@ -3127,9 +3151,11 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } /* configure each interface */ wl12xx_for_each_wlvif(wl, wlvif) { @@ -3139,7 +3165,7 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) } out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -3208,9 +3234,11 @@ static void wl1271_op_configure_filter(struct ieee80211_hw *hw, if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl12xx_for_each_wlvif(wl, wlvif) { if (wlcore_is_p2p_mgmt(wlvif)) @@ -3253,7 +3281,7 @@ static void wl1271_op_configure_filter(struct ieee80211_hw *hw, */ out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -3460,13 +3488,15 @@ static int wlcore_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, goto out_wake_queues; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out_wake_queues; + } ret = wlcore_hw_set_key(wl, cmd, vif, sta, key_conf); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out_wake_queues: if (might_change_spare) @@ -3606,9 +3636,11 @@ static void wl1271_op_set_default_key_idx(struct ieee80211_hw *hw, goto out_unlock; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out_unlock; + } wlvif->default_key = key_idx; @@ -3622,7 +3654,7 @@ static void wl1271_op_set_default_key_idx(struct ieee80211_hw *hw, } out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out_unlock: mutex_unlock(&wl->mutex); @@ -3640,7 +3672,7 @@ void wlcore_regdomain_config(struct wl1271 *wl) if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); + ret = pm_runtime_get_sync(wl->dev); if (ret < 0) goto out; @@ -3650,7 +3682,7 @@ void wlcore_regdomain_config(struct wl1271 *wl) goto out; } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); } @@ -3684,9 +3716,11 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw, goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } /* fail if there is any role in ROC */ if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { @@ -3697,7 +3731,7 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw, ret = wlcore_scan(hw->priv, vif, ssid, len, req); out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -3724,9 +3758,11 @@ static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, if (wl->scan.state == WL1271_SCAN_STATE_IDLE) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } if (wl->scan.state != WL1271_SCAN_STATE_DONE) { ret = wl->ops->scan_stop(wl, wlvif); @@ -3747,7 +3783,7 @@ static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, ieee80211_scan_completed(wl->hw, &info); out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -3772,9 +3808,11 @@ static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl->ops->sched_scan_start(wl, wlvif, req, ies); if (ret < 0) @@ -3783,7 +3821,7 @@ static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, wl->sched_vif = wlvif; out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); return ret; @@ -3803,13 +3841,15 @@ static int wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl->ops->sched_scan_stop(wl, wlvif); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -3828,15 +3868,17 @@ static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl1271_acx_frag_threshold(wl, value); if (ret < 0) wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -3857,16 +3899,18 @@ static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl12xx_for_each_wlvif(wl, wlvif) { ret = wl1271_acx_rts_threshold(wl, wlvif, value); if (ret < 0) wl1271_warning("set rts threshold failed: %d", ret); } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -4613,9 +4657,11 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } if ((changed & BSS_CHANGED_TXPOWER) && bss_conf->txpower != wlvif->power_level) { @@ -4632,7 +4678,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, else wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -4671,9 +4717,11 @@ static void wlcore_op_change_chanctx(struct ieee80211_hw *hw, mutex_lock(&wl->mutex); - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl12xx_for_each_wlvif(wl, wlvif) { struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); @@ -4696,7 +4744,7 @@ static void wlcore_op_change_chanctx(struct ieee80211_hw *hw, } } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); } @@ -4725,9 +4773,11 @@ static int wlcore_op_assign_vif_chanctx(struct ieee80211_hw *hw, if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wlvif->band = ctx->def.chan->band; wlvif->channel = channel; @@ -4743,7 +4793,7 @@ static int wlcore_op_assign_vif_chanctx(struct ieee80211_hw *hw, wlvif->radar_enabled = true; } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -4774,9 +4824,11 @@ static void wlcore_op_unassign_vif_chanctx(struct ieee80211_hw *hw, if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } if (wlvif->radar_enabled) { wl1271_debug(DEBUG_MAC80211, "Stop radar detection"); @@ -4784,7 +4836,7 @@ static void wlcore_op_unassign_vif_chanctx(struct ieee80211_hw *hw, wlvif->radar_enabled = false; } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); } @@ -4841,9 +4893,11 @@ wlcore_op_switch_vif_chanctx(struct ieee80211_hw *hw, mutex_lock(&wl->mutex); - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } for (i = 0; i < n_vifs; i++) { struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vifs[i].vif); @@ -4853,7 +4907,7 @@ wlcore_op_switch_vif_chanctx(struct ieee80211_hw *hw, goto out_sleep; } out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -4884,9 +4938,11 @@ static int wl1271_op_conf_tx(struct ieee80211_hw *hw, if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } /* * the txop is confed in units of 32us by the mac80211, @@ -4905,7 +4961,7 @@ static int wl1271_op_conf_tx(struct ieee80211_hw *hw, 0, 0); out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -4929,16 +4985,18 @@ static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw, if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl12xx_acx_tsf_info(wl, wlvif, &mactime); if (ret < 0) goto out_sleep; out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -5244,13 +5302,15 @@ static int wl12xx_op_sta_state(struct ieee80211_hw *hw, goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl12xx_update_sta_state(wl, wlvif, sta, old_state, new_state); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); if (new_state < old_state) @@ -5299,9 +5359,11 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, ba_bitmap = &wl->links[hlid].ba_bitmap; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", tid, action); @@ -5374,7 +5436,7 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, ret = -EINVAL; } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -5408,16 +5470,18 @@ static int wl12xx_set_bitrate_mask(struct ieee80211_hw *hw, if (wlvif->bss_type == BSS_TYPE_STA_BSS && !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl1271_set_band_rate(wl, wlvif); wlvif->basic_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); ret = wl1271_acx_sta_rate_policies(wl, wlvif); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); } out: mutex_unlock(&wl->mutex); @@ -5447,9 +5511,11 @@ static void wl12xx_op_channel_switch(struct ieee80211_hw *hw, goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } /* TODO: change mac80211 to pass vif as param */ @@ -5471,7 +5537,7 @@ static void wl12xx_op_channel_switch(struct ieee80211_hw *hw, } out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -5538,9 +5604,11 @@ static void wlcore_op_channel_switch_beacon(struct ieee80211_hw *hw, goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl->ops->channel_switch(wl, wlvif, &ch_switch); if (ret) @@ -5549,7 +5617,7 @@ static void wlcore_op_channel_switch_beacon(struct ieee80211_hw *hw, set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); } @@ -5590,9 +5658,11 @@ static int wlcore_op_remain_on_channel(struct ieee80211_hw *hw, goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl12xx_start_dev(wl, wlvif, chan->band, channel); if (ret < 0) @@ -5602,7 +5672,7 @@ static int wlcore_op_remain_on_channel(struct ieee80211_hw *hw, ieee80211_queue_delayed_work(hw, &wl->roc_complete_work, msecs_to_jiffies(duration)); out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); return ret; @@ -5644,13 +5714,15 @@ static int wlcore_roc_completed(struct wl1271 *wl) goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = __wlcore_roc_completed(wl); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -5725,9 +5797,11 @@ static void wlcore_op_sta_statistics(struct ieee80211_hw *hw, if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out_sleep; + } ret = wlcore_acx_average_rssi(wl, wlvif, &rssi_dbm); if (ret < 0) @@ -5737,7 +5811,7 @@ static void wlcore_op_sta_statistics(struct ieee80211_hw *hw, sinfo->signal = rssi_dbm; out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -6306,7 +6380,6 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size, skb_queue_head_init(&wl->deferred_rx_queue); skb_queue_head_init(&wl->deferred_tx_queue); - INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); INIT_WORK(&wl->netstack_work, wl1271_netstack_work); INIT_WORK(&wl->tx_work, wl1271_tx_work); INIT_WORK(&wl->recovery_work, wl1271_recovery_work); @@ -6581,6 +6654,99 @@ out: complete_all(&wl->nvs_loading_complete); } +static int __maybe_unused wlcore_runtime_suspend(struct device *dev) +{ + struct wl1271 *wl = dev_get_drvdata(dev); + struct wl12xx_vif *wlvif; + int error; + + /* We do not enter elp sleep in PLT mode */ + if (wl->plt) + return 0; + + /* Nothing to do if no ELP mode requested */ + if (wl->sleep_auth != WL1271_PSM_ELP) + return 0; + + wl12xx_for_each_wlvif(wl, wlvif) { + if (!test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags) && + test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) + return -EBUSY; + } + + wl1271_debug(DEBUG_PSM, "chip to elp"); + error = wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_SLEEP); + if (error < 0) { + wl12xx_queue_recovery_work(wl); + + return error; + } + + set_bit(WL1271_FLAG_IN_ELP, &wl->flags); + + return 0; +} + +static int __maybe_unused wlcore_runtime_resume(struct device *dev) +{ + struct wl1271 *wl = dev_get_drvdata(dev); + DECLARE_COMPLETION_ONSTACK(compl); + unsigned long flags; + int ret; + unsigned long start_time = jiffies; + bool pending = false; + + /* Nothing to do if no ELP mode requested */ + if (!test_bit(WL1271_FLAG_IN_ELP, &wl->flags)) + return 0; + + wl1271_debug(DEBUG_PSM, "waking up chip from elp"); + + spin_lock_irqsave(&wl->wl_lock, flags); + if (test_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags)) + pending = true; + else + wl->elp_compl = &compl; + spin_unlock_irqrestore(&wl->wl_lock, flags); + + ret = wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); + if (ret < 0) { + wl12xx_queue_recovery_work(wl); + goto err; + } + + if (!pending) { + ret = wait_for_completion_timeout(&compl, + msecs_to_jiffies(WL1271_WAKEUP_TIMEOUT)); + if (ret == 0) { + wl1271_error("ELP wakeup timeout!"); + wl12xx_queue_recovery_work(wl); + + /* Return no error for runtime PM for recovery */ + return 0; + } + } + + clear_bit(WL1271_FLAG_IN_ELP, &wl->flags); + + wl1271_debug(DEBUG_PSM, "wakeup time: %u ms", + jiffies_to_msecs(jiffies - start_time)); + + return 0; + +err: + spin_lock_irqsave(&wl->wl_lock, flags); + wl->elp_compl = NULL; + spin_unlock_irqrestore(&wl->wl_lock, flags); + return ret; +} + +static const struct dev_pm_ops wlcore_pm_ops = { + SET_RUNTIME_PM_OPS(wlcore_runtime_suspend, + wlcore_runtime_resume, + NULL) +}; + int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) { struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev); @@ -6608,6 +6774,9 @@ int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) wlcore_nvs_cb(NULL, wl); } + wl->dev->driver->pm = &wlcore_pm_ops; + pm_runtime_enable(wl->dev); + return ret; } EXPORT_SYMBOL_GPL(wlcore_probe); @@ -6616,6 +6785,13 @@ int wlcore_remove(struct platform_device *pdev) { struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev); struct wl1271 *wl = platform_get_drvdata(pdev); + int error; + + error = pm_runtime_get_sync(wl->dev); + if (error < 0) + dev_warn(wl->dev, "PM runtime failed: %i\n", error); + + wl->dev->driver->pm = NULL; if (pdev_data->family && pdev_data->family->nvs_name) wait_for_completion(&wl->nvs_loading_complete); @@ -6627,6 +6803,10 @@ int wlcore_remove(struct platform_device *pdev) disable_irq_wake(wl->irq); } wl1271_unregister_hw(wl); + + pm_runtime_put_sync(wl->dev); + pm_runtime_disable(wl->dev); + free_irq(wl->irq, wl); wlcore_free_hw(wl); diff --git a/drivers/net/wireless/ti/wlcore/ps.c b/drivers/net/wireless/ti/wlcore/ps.c index b36133b739cb..9de843d1984b 100644 --- a/drivers/net/wireless/ti/wlcore/ps.c +++ b/drivers/net/wireless/ti/wlcore/ps.c @@ -26,152 +26,6 @@ #include "tx.h" #include "debug.h" -#define WL1271_WAKEUP_TIMEOUT 500 - -#define ELP_ENTRY_DELAY 30 -#define ELP_ENTRY_DELAY_FORCE_PS 5 - -void wl1271_elp_work(struct work_struct *work) -{ - struct delayed_work *dwork; - struct wl1271 *wl; - struct wl12xx_vif *wlvif; - int ret; - - dwork = to_delayed_work(work); - wl = container_of(dwork, struct wl1271, elp_work); - - wl1271_debug(DEBUG_PSM, "elp work"); - - mutex_lock(&wl->mutex); - - if (unlikely(wl->state != WLCORE_STATE_ON)) - goto out; - - /* our work might have been already cancelled */ - if (unlikely(!test_bit(WL1271_FLAG_ELP_REQUESTED, &wl->flags))) - goto out; - - if (test_bit(WL1271_FLAG_IN_ELP, &wl->flags)) - goto out; - - wl12xx_for_each_wlvif(wl, wlvif) { - if (!test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags) && - test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) - goto out; - } - - wl1271_debug(DEBUG_PSM, "chip to elp"); - 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); -} - -/* Routines to toggle sleep mode while in ELP */ -void wl1271_ps_elp_sleep(struct wl1271 *wl) -{ - struct wl12xx_vif *wlvif; - u32 timeout; - - /* We do not enter elp sleep in PLT mode */ - if (wl->plt) - return; - - if (wl->sleep_auth != WL1271_PSM_ELP) - return; - - /* we shouldn't get consecutive sleep requests */ - if (WARN_ON(test_and_set_bit(WL1271_FLAG_ELP_REQUESTED, &wl->flags))) - return; - - wl12xx_for_each_wlvif(wl, wlvif) { - if (!test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags) && - test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) - return; - } - - timeout = wl->conf.conn.forced_ps ? - ELP_ENTRY_DELAY_FORCE_PS : ELP_ENTRY_DELAY; - ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, - msecs_to_jiffies(timeout)); -} -EXPORT_SYMBOL_GPL(wl1271_ps_elp_sleep); - -int wl1271_ps_elp_wakeup(struct wl1271 *wl) -{ - DECLARE_COMPLETION_ONSTACK(compl); - unsigned long flags; - int ret; - unsigned long start_time = jiffies; - bool pending = false; - - /* - * we might try to wake up even if we didn't go to sleep - * before (e.g. on boot) - */ - if (!test_and_clear_bit(WL1271_FLAG_ELP_REQUESTED, &wl->flags)) - return 0; - - /* don't cancel_sync as it might contend for a mutex and deadlock */ - cancel_delayed_work(&wl->elp_work); - - if (!test_bit(WL1271_FLAG_IN_ELP, &wl->flags)) - return 0; - - wl1271_debug(DEBUG_PSM, "waking up chip from elp"); - - /* - * The spinlock is required here to synchronize both the work and - * the completion variable in one entity. - */ - spin_lock_irqsave(&wl->wl_lock, flags); - if (test_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags)) - pending = true; - else - wl->elp_compl = &compl; - spin_unlock_irqrestore(&wl->wl_lock, flags); - - ret = wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); - if (ret < 0) { - wl12xx_queue_recovery_work(wl); - goto err; - } - - if (!pending) { - ret = wait_for_completion_timeout( - &compl, msecs_to_jiffies(WL1271_WAKEUP_TIMEOUT)); - if (ret == 0) { - wl1271_error("ELP wakeup timeout!"); - wl12xx_queue_recovery_work(wl); - ret = -ETIMEDOUT; - goto err; - } - } - - clear_bit(WL1271_FLAG_IN_ELP, &wl->flags); - - wl1271_debug(DEBUG_PSM, "wakeup time: %u ms", - jiffies_to_msecs(jiffies - start_time)); - goto out; - -err: - spin_lock_irqsave(&wl->wl_lock, flags); - wl->elp_compl = NULL; - spin_unlock_irqrestore(&wl->wl_lock, flags); - return ret; - -out: - return 0; -} -EXPORT_SYMBOL_GPL(wl1271_ps_elp_wakeup); - int wl1271_ps_set_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, enum wl1271_cmd_ps_mode mode) { diff --git a/drivers/net/wireless/ti/wlcore/ps.h b/drivers/net/wireless/ti/wlcore/ps.h index de4f9da8ed26..411727587f95 100644 --- a/drivers/net/wireless/ti/wlcore/ps.h +++ b/drivers/net/wireless/ti/wlcore/ps.h @@ -29,9 +29,6 @@ int wl1271_ps_set_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, enum wl1271_cmd_ps_mode mode); -void wl1271_ps_elp_sleep(struct wl1271 *wl); -int wl1271_ps_elp_wakeup(struct wl1271 *wl); -void wl1271_elp_work(struct work_struct *work); void wl12xx_ps_link_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid, bool clean_queues); void wl12xx_ps_link_end(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid); diff --git a/drivers/net/wireless/ti/wlcore/scan.c b/drivers/net/wireless/ti/wlcore/scan.c index 5612f5916b4e..69d0f28fc0dd 100644 --- a/drivers/net/wireless/ti/wlcore/scan.c +++ b/drivers/net/wireless/ti/wlcore/scan.c @@ -22,13 +22,13 @@ */ #include <linux/ieee80211.h> +#include <linux/pm_runtime.h> #include "wlcore.h" #include "debug.h" #include "cmd.h" #include "scan.h" #include "acx.h" -#include "ps.h" #include "tx.h" void wl1271_scan_complete_work(struct work_struct *work) @@ -67,16 +67,18 @@ void wl1271_scan_complete_work(struct work_struct *work) wl->scan.req = NULL; wl->scan_wlvif = NULL; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { /* restore hardware connection monitoring template */ wl1271_cmd_build_ap_probe_req(wl, wlvif, wlvif->probereq); } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); if (wl->scan.failed) { wl1271_info("Scan completed due to error."); diff --git a/drivers/net/wireless/ti/wlcore/sysfs.c b/drivers/net/wireless/ti/wlcore/sysfs.c index d31eb775e023..fc20fba6bb18 100644 --- a/drivers/net/wireless/ti/wlcore/sysfs.c +++ b/drivers/net/wireless/ti/wlcore/sysfs.c @@ -19,9 +19,11 @@ * */ +#include <linux/pm_runtime.h> + +#include "acx.h" #include "wlcore.h" #include "debug.h" -#include "ps.h" #include "sysfs.h" static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, @@ -68,12 +70,14 @@ static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, if (unlikely(wl->state != WLCORE_STATE_ON)) goto out; - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } wl1271_acx_sg_enable(wl, wl->sg_enabled); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); diff --git a/drivers/net/wireless/ti/wlcore/testmode.c b/drivers/net/wireless/ti/wlcore/testmode.c index 009ec07c4cec..f87709134238 100644 --- a/drivers/net/wireless/ti/wlcore/testmode.c +++ b/drivers/net/wireless/ti/wlcore/testmode.c @@ -22,13 +22,13 @@ */ #include "testmode.h" +#include <linux/pm_runtime.h> #include <linux/slab.h> #include <net/genetlink.h> #include "wlcore.h" #include "debug.h" #include "acx.h" -#include "ps.h" #include "io.h" #define WL1271_TM_MAX_DATA_LENGTH 1024 @@ -97,9 +97,11 @@ static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[]) goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wl1271_cmd_test(wl, buf, buf_len, answer); if (ret < 0) { @@ -141,7 +143,7 @@ static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[]) } out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -169,9 +171,11 @@ static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[]) goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { @@ -205,7 +209,7 @@ static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[]) out_free: kfree(cmd); out_sleep: - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index 00e9b4624dcf..12920d1c1c65 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -24,6 +24,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/etherdevice.h> +#include <linux/pm_runtime.h> #include <linux/spinlock.h> #include "wlcore.h" @@ -868,9 +869,11 @@ void wl1271_tx_work(struct work_struct *work) int ret; mutex_lock(&wl->mutex); - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wlcore_tx_work_locked(wl); if (ret < 0) { @@ -878,7 +881,7 @@ void wl1271_tx_work(struct work_struct *work) goto out; } - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); } diff --git a/drivers/net/wireless/ti/wlcore/vendor_cmd.c b/drivers/net/wireless/ti/wlcore/vendor_cmd.c index 5c0bcb1fe1a1..c5008c633e59 100644 --- a/drivers/net/wireless/ti/wlcore/vendor_cmd.c +++ b/drivers/net/wireless/ti/wlcore/vendor_cmd.c @@ -8,12 +8,13 @@ * version 2 as published by the Free Software Foundation. */ +#include <linux/pm_runtime.h> + #include <net/mac80211.h> #include <net/netlink.h> #include "wlcore.h" #include "debug.h" -#include "ps.h" #include "hw_ops.h" #include "vendor_cmd.h" @@ -55,14 +56,16 @@ wlcore_vendor_cmd_smart_config_start(struct wiphy *wiphy, goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wlcore_smart_config_start(wl, nla_get_u32(tb[WLCORE_VENDOR_ATTR_GROUP_ID])); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -87,13 +90,15 @@ wlcore_vendor_cmd_smart_config_stop(struct wiphy *wiphy, goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wlcore_smart_config_stop(wl); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); @@ -131,16 +136,18 @@ wlcore_vendor_cmd_smart_config_set_group_key(struct wiphy *wiphy, goto out; } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) + ret = pm_runtime_get_sync(wl->dev); + if (ret < 0) { + pm_runtime_put_noidle(wl->dev); goto out; + } ret = wlcore_smart_config_set_group_key(wl, nla_get_u32(tb[WLCORE_VENDOR_ATTR_GROUP_ID]), nla_len(tb[WLCORE_VENDOR_ATTR_GROUP_KEY]), nla_data(tb[WLCORE_VENDOR_ATTR_GROUP_KEY])); - wl1271_ps_elp_sleep(wl); + pm_runtime_put(wl->dev); out: mutex_unlock(&wl->mutex); diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 95fbedc8ea34..d4b1f66ef457 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -348,7 +348,6 @@ struct wl1271 { enum nl80211_band band; struct completion *elp_compl; - struct delayed_work elp_work; /* in dBm */ int power_level; diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h index e840985385fc..32ec121ccac2 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore_i.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -233,7 +233,6 @@ enum wl12xx_flags { WL1271_FLAG_TX_QUEUE_STOPPED, WL1271_FLAG_TX_PENDING, WL1271_FLAG_IN_ELP, - WL1271_FLAG_ELP_REQUESTED, WL1271_FLAG_IRQ_RUNNING, WL1271_FLAG_FW_TX_BUSY, WL1271_FLAG_DUMMY_PACKET_PENDING, |