1 files changed, 55 insertions, 24 deletions

diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index d9b8ee130c45..abfecc4814b4 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -625,16 +625,13 @@ static int lbs_thread(void *data)
         return 0;
 }
 
-static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy,
-                                struct cmd_header *cmd)
+static int lbs_ret_host_sleep_activate(struct lbs_private *priv,
+                unsigned long dummy,
+                struct cmd_header *cmd)
 {
         lbs_deb_enter(LBS_DEB_FW);
-
-        netif_device_detach(priv->dev);
-        if (priv->mesh_dev)
-                netif_device_detach(priv->mesh_dev);
-
-        priv->fw_ready = 0;
+        priv->is_host_sleep_activated = 1;
+        wake_up_interruptible(&priv->host_sleep_q);
         lbs_deb_leave(LBS_DEB_FW);
         return 0;
 }
@@ -646,39 +643,65 @@ int lbs_suspend(struct lbs_private *priv)
 
         lbs_deb_enter(LBS_DEB_FW);
 
-        if (priv->wol_criteria == 0xffffffff) {
-                lbs_pr_info("Suspend attempt without configuring wake params!\n");
-                return -EINVAL;
+        if (priv->is_deep_sleep) {
+                ret = lbs_set_deep_sleep(priv, 0);
+                if (ret) {
+                        lbs_pr_err("deep sleep cancellation failed: %d\n", ret);
+                        return ret;
+                }
+                priv->deep_sleep_required = 1;
         }
 
         memset(&cmd, 0, sizeof(cmd));
+        ret = lbs_host_sleep_cfg(priv, priv->wol_criteria,
+                                                (struct wol_config *)NULL);
+        if (ret) {
+                lbs_pr_info("Host sleep configuration failed: %d\n", ret);
+                return ret;
+        }
+        if (priv->psstate == PS_STATE_FULL_POWER) {
+                ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd,
+                                sizeof(cmd), lbs_ret_host_sleep_activate, 0);
+                if (ret)
+                        lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret);
+        }
 
-        ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd,
-                        sizeof(cmd), lbs_suspend_callback, 0);
-        if (ret)
-                lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret);
+        if (!wait_event_interruptible_timeout(priv->host_sleep_q,
+                                priv->is_host_sleep_activated, (10 * HZ))) {
+                lbs_pr_err("host_sleep_q: timer expired\n");
+                ret = -1;
+        }
+        netif_device_detach(priv->dev);
+        if (priv->mesh_dev)
+                netif_device_detach(priv->mesh_dev);
 
         lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
         return ret;
 }
 EXPORT_SYMBOL_GPL(lbs_suspend);
 
-void lbs_resume(struct lbs_private *priv)
+int lbs_resume(struct lbs_private *priv)
 {
-        lbs_deb_enter(LBS_DEB_FW);
+        int ret;
+        uint32_t criteria = EHS_REMOVE_WAKEUP;
 
-        priv->fw_ready = 1;
+        lbs_deb_enter(LBS_DEB_FW);
 
-        /* Firmware doesn't seem to give us RX packets any more
-           until we send it some command. Might as well update */
-        lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
-                                     0, 0, NULL);
+        ret = lbs_host_sleep_cfg(priv, criteria, (struct wol_config *)NULL);
 
         netif_device_attach(priv->dev);
         if (priv->mesh_dev)
                 netif_device_attach(priv->mesh_dev);
 
-        lbs_deb_leave(LBS_DEB_FW);
+        if (priv->deep_sleep_required) {
+                priv->deep_sleep_required = 0;
+                ret = lbs_set_deep_sleep(priv, 1);
+                if (ret)
+                        lbs_pr_err("deep sleep activation failed: %d\n", ret);
+        }
+
+        lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
+        return ret;
 }
 EXPORT_SYMBOL_GPL(lbs_resume);
 
@@ -834,10 +857,13 @@ static int lbs_init_adapter(struct lbs_private *priv)
         priv->psstate = PS_STATE_FULL_POWER;
         priv->is_deep_sleep = 0;
         priv->is_auto_deep_sleep_enabled = 0;
+        priv->deep_sleep_required = 0;
         priv->wakeup_dev_required = 0;
         init_waitqueue_head(&priv->ds_awake_q);
         priv->authtype_auto = 1;
-
+        priv->is_host_sleep_configured = 0;
+        priv->is_host_sleep_activated = 0;
+        init_waitqueue_head(&priv->host_sleep_q);
         mutex_init(&priv->lock);
 
         setup_timer(&priv->command_timer, lbs_cmd_timeout_handler,
@@ -976,6 +1002,7 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
 
         priv->wol_criteria = 0xffffffff;
         priv->wol_gpio = 0xff;
+        priv->wol_gap = 20;
 
         goto done;
 
@@ -1031,6 +1058,10 @@ void lbs_remove_card(struct lbs_private *priv)
                 wake_up_interruptible(&priv->ds_awake_q);
         }
 
+        priv->is_host_sleep_configured = 0;
+        priv->is_host_sleep_activated = 0;
+        wake_up_interruptible(&priv->host_sleep_q);
+
         /* Stop the thread servicing the interrupts */
         priv->surpriseremoved = 1;
         kthread_stop(priv->main_thread);