staging: wilc1000: removes unnecessary debug logs

This patch removes unnecessary debug logs.

Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c
index 1446b194c4efee2ef06334b7c2284c396c8194b0..13c6cb2b676fc56420be10b82ce14bade8303324 100644 (file)
--- a/drivers/staging/wilc1000/linux_wlan.c
+++ b/drivers/staging/wilc1000/linux_wlan.c
@@ -70,47 +70,32 @@ static int dev_state_ev_handler(struct notifier_block *this,
        u8 null_ip[4] = {0};
        char wlan_dev_name[5] = "wlan0";
 
-       if (!dev_iface || !dev_iface->ifa_dev || !dev_iface->ifa_dev->dev) {
-               PRINT_D(GENERIC_DBG, "dev_iface = NULL\n");
+       if (!dev_iface || !dev_iface->ifa_dev || !dev_iface->ifa_dev->dev)
                return NOTIFY_DONE;
-       }
 
        if (memcmp(dev_iface->ifa_label, "wlan0", 5) &&
-           memcmp(dev_iface->ifa_label, "p2p0", 4)) {
-               PRINT_D(GENERIC_DBG, "Interface is neither WLAN0 nor P2P0\n");
+           memcmp(dev_iface->ifa_label, "p2p0", 4))
                return NOTIFY_DONE;
-       }
 
        dev  = (struct net_device *)dev_iface->ifa_dev->dev;
-       if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy) {
-               PRINT_D(GENERIC_DBG, "No Wireless registerd\n");
+       if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
                return NOTIFY_DONE;
-       }
+
        priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
-       if (!priv) {
-               PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
+       if (!priv)
                return NOTIFY_DONE;
-       }
+
        hif_drv = (struct host_if_drv *)priv->hif_drv;
        vif = netdev_priv(dev);
-       if (!vif || !hif_drv) {
-               PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
+       if (!vif || !hif_drv)
                return NOTIFY_DONE;
-       }
-
-       PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler +++\n");
 
        switch (event) {
        case NETDEV_UP:
-               PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_UP %p\n", dev);
-
-               PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Obtained ===============\n\n");
-
                if (vif->iftype == STATION_MODE || vif->iftype == CLIENT_MODE) {
                        hif_drv->IFC_UP = 1;
                        wilc_optaining_ip = false;
                        del_timer(&wilc_during_ip_timer);
-                       PRINT_D(GENERIC_DBG, "IP obtained , enable scan\n");
                }
 
                if (wilc_enable_ps)
@@ -127,9 +112,6 @@ static int dev_state_ev_handler(struct notifier_block *this,
                break;
 
        case NETDEV_DOWN:
-               PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_DOWN %p\n", dev);
-
-               PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Released ===============\n\n");
                if (vif->iftype == STATION_MODE || vif->iftype == CLIENT_MODE) {
                        hif_drv->IFC_UP = 0;
                        wilc_optaining_ip = false;
@@ -152,9 +134,6 @@ static int dev_state_ev_handler(struct notifier_block *this,
                break;
 
        default:
-               PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler event=default\n");
-               PRINT_INFO(GENERIC_DBG, "[%s] unknown dev event: %lu\n", dev_iface->ifa_label, event);
-
                break;
        }
 
@@ -169,7 +148,6 @@ static irqreturn_t isr_uh_routine(int irq, void *user_data)
 
        vif = netdev_priv(dev);
        wilc = vif->wilc;
-       PRINT_D(INT_DBG, "Interrupt received UH\n");
 
        if (wilc->close) {
                PRINT_ER("Driver is CLOSING: Can't handle UH interrupt\n");
@@ -191,7 +169,6 @@ static irqreturn_t isr_bh_routine(int irq, void *userdata)
                return IRQ_HANDLED;
        }
 
-       PRINT_D(INT_DBG, "Interrupt received BH\n");
        wilc_handle_isr(wilc);
 
        return IRQ_HANDLED;
@@ -255,12 +232,9 @@ int wilc_lock_timeout(struct wilc *nic, void *vp, u32 timeout)
        /* FIXME: replace with mutex_lock or wait_for_completion */
        int error = -1;
 
-       PRINT_D(LOCK_DBG, "Locking %p\n", vp);
        if (vp)
                error = down_timeout((struct semaphore *)vp,
                                     msecs_to_jiffies(timeout));
-       else
-               PRINT_ER("Failed, mutex is NULL\n");
        return error;
 }
 
@@ -358,28 +332,21 @@ static int linux_wlan_txq_task(void *vp)
 
        up(&wl->txq_thread_started);
        while (1) {
-               PRINT_D(TX_DBG, "txq_task Taking a nap :)\n");
                down(&wl->txq_event);
-               PRINT_D(TX_DBG, "txq_task Who waked me up :$\n");
 
                if (wl->close) {
                        up(&wl->txq_thread_started);
 
                        while (!kthread_should_stop())
                                schedule();
-
-                       PRINT_D(TX_DBG, "TX thread stopped\n");
                        break;
                }
-               PRINT_D(TX_DBG, "txq_task handle the sending packet and let me go to sleep.\n");
 #if !defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
                ret = wilc_wlan_handle_txq(dev, &txq_count);
 #else
                do {
                        ret = wilc_wlan_handle_txq(dev, &txq_count);
                        if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD) {
-                               PRINT_D(TX_DBG, "Waking up queue\n");
-
                                if (netif_queue_stopped(wl->vif[0]->ndev))
                                        netif_wake_queue(wl->vif[0]->ndev);
                                if (netif_queue_stopped(wl->vif[1]->ndev))
@@ -428,15 +395,11 @@ int wilc_wlan_get_firmware(struct net_device *dev)
 
        netdev_info(dev, "loading firmware %s\n", firmware);
 
-       if (!vif) {
-               PRINT_ER("vif is NULL\n");
+       if (!vif)
                goto _fail_;
-       }
 
-       if (!(&vif->ndev->dev)) {
-               PRINT_ER("&vif->ndev->dev  is NULL\n");
+       if (!(&vif->ndev->dev))
                goto _fail_;
-       }
 
        if (request_firmware(&wilc_firmware, firmware, wilc->dev) != 0) {
                PRINT_ER("%s - firmare not available\n", firmware);
@@ -459,20 +422,13 @@ static int linux_wlan_start_firmware(struct net_device *dev)
        vif = netdev_priv(dev);
        wilc = vif->wilc;
 
-       PRINT_D(INIT_DBG, "Starting Firmware ...\n");
        ret = wilc_wlan_start(wilc);
-       if (ret < 0) {
-               PRINT_ER("Failed to start Firmware\n");
+       if (ret < 0)
                return ret;
-       }
 
-       PRINT_D(INIT_DBG, "Waiting for Firmware to get ready ...\n");
        ret = wilc_lock_timeout(wilc, &wilc->sync_event, 5000);
-       if (ret) {
-               PRINT_D(INIT_DBG, "Firmware start timed out");
+       if (ret)
                return ret;
-       }
-       PRINT_D(INIT_DBG, "Firmware successfully started\n");
 
        return 0;
 }
@@ -490,14 +446,12 @@ static int wilc1000_firmware_download(struct net_device *dev)
                PRINT_ER("Firmware buffer is NULL\n");
                return -ENOBUFS;
        }
-       PRINT_D(INIT_DBG, "Downloading Firmware ...\n");
+
        ret = wilc_wlan_firmware_download(wilc, wilc->firmware->data,
                                          wilc->firmware->size);
        if (ret < 0)
                return ret;
 
-       PRINT_D(INIT_DBG, "Freeing FW buffer ...\n");
-       PRINT_D(INIT_DBG, "Releasing firmware\n");
        release_firmware(wilc->firmware);
        wilc->firmware = NULL;
 
@@ -740,7 +694,6 @@ void wilc1000_wlan_deinit(struct net_device *dev)
        if (wl->initialized)    {
                netdev_info(dev, "Deinitializing wilc1000...\n");
 
-               PRINT_D(INIT_DBG, "Disabling IRQ\n");
                if (!wl->dev_irq_num &&
                    wl->hif_func->disable_interrupt) {
                        mutex_lock(&wl->hif_cs);
@@ -750,29 +703,19 @@ void wilc1000_wlan_deinit(struct net_device *dev)
                if (&wl->txq_event)
                        up(&wl->txq_event);
 
-               PRINT_D(INIT_DBG, "Deinitializing Threads\n");
                wlan_deinitialize_threads(dev);
-
-               PRINT_D(INIT_DBG, "Deinitializing IRQ\n");
                deinit_irq(dev);
 
                wilc_wlan_stop(wl);
-
-               PRINT_D(INIT_DBG, "Deinitializing WILC Wlan\n");
                wilc_wlan_cleanup(dev);
 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
                if (!wl->dev_irq_num &&
                    wl->hif_func->disable_interrupt) {
-
-                       PRINT_D(INIT_DBG, "Disabling IRQ 2\n");
-
                        mutex_lock(&wl->hif_cs);
                        wl->hif_func->disable_interrupt(wl);
                        mutex_unlock(&wl->hif_cs);
                }
 #endif
-
-               PRINT_D(INIT_DBG, "Deinitializing Locks\n");
                wlan_deinit_locks(dev);
 
                wl->initialized = false;
@@ -792,8 +735,6 @@ static int wlan_init_locks(struct net_device *dev)
        vif = netdev_priv(dev);
        wl = vif->wilc;
 
-       PRINT_D(INIT_DBG, "Initializing Locks ...\n");
-
        mutex_init(&wl->hif_cs);
        mutex_init(&wl->rxq_cs);
 
@@ -818,8 +759,6 @@ static int wlan_deinit_locks(struct net_device *dev)
        vif = netdev_priv(dev);
        wilc = vif->wilc;
 
-       PRINT_D(INIT_DBG, "De-Initializing Locks\n");
-
        if (&wilc->hif_cs)
                mutex_destroy(&wilc->hif_cs);
 
@@ -837,8 +776,6 @@ static int wlan_initialize_threads(struct net_device *dev)
        vif = netdev_priv(dev);
        wilc = vif->wilc;
 
-       PRINT_D(INIT_DBG, "Initializing Threads ...\n");
-       PRINT_D(INIT_DBG, "Creating kthread for transmission\n");
        wilc->txq_thread = kthread_run(linux_wlan_txq_task, (void *)dev,
                                     "K_TXQ_TASK");
        if (!wilc->txq_thread) {
@@ -860,7 +797,6 @@ static void wlan_deinitialize_threads(struct net_device *dev)
        wl = vif->wilc;
 
        wl->close = 1;
-       PRINT_D(INIT_DBG, "Deinitializing Threads\n");
 
        if (&wl->txq_event)
                up(&wl->txq_event);
@@ -884,20 +820,17 @@ int wilc1000_wlan_init(struct net_device *dev, struct wilc_vif *vif)
 
                ret = wilc_wlan_init(dev);
                if (ret < 0) {
-                       PRINT_ER("Initializing WILC_Wlan FAILED\n");
                        ret = -EIO;
                        goto _fail_locks_;
                }
 
                if (wl->gpio >= 0 && init_irq(dev)) {
-                       PRINT_ER("couldn't initialize IRQ\n");
                        ret = -EIO;
                        goto _fail_locks_;
                }
 
                ret = wlan_initialize_threads(dev);
                if (ret < 0) {
-                       PRINT_ER("Initializing Threads FAILED\n");
                        ret = -EIO;
                        goto _fail_wilc_wlan_;
                }
@@ -905,27 +838,23 @@ int wilc1000_wlan_init(struct net_device *dev, struct wilc_vif *vif)
                if (!wl->dev_irq_num &&
                    wl->hif_func->enable_interrupt &&
                    wl->hif_func->enable_interrupt(wl)) {
-                       PRINT_ER("couldn't initialize IRQ\n");
                        ret = -EIO;
                        goto _fail_irq_init_;
                }
 
                if (wilc_wlan_get_firmware(dev)) {
-                       PRINT_ER("Can't get firmware\n");
                        ret = -EIO;
                        goto _fail_irq_enable_;
                }
 
                ret = wilc1000_firmware_download(dev);
                if (ret < 0) {
-                       PRINT_ER("Failed to download firmware\n");
                        ret = -EIO;
                        goto _fail_irq_enable_;
                }
 
                ret = linux_wlan_start_firmware(dev);
                if (ret < 0) {
-                       PRINT_ER("Failed to start firmware\n");
                        ret = -EIO;
                        goto _fail_irq_enable_;
                }
@@ -1007,16 +936,11 @@ int wilc_mac_open(struct net_device *ndev)
        PRINT_D(INIT_DBG, "MAC OPEN[%p]\n", ndev);
 
        ret = wilc_init_host_int(ndev);
-       if (ret < 0) {
-               PRINT_ER("Failed to initialize host interface\n");
-
+       if (ret < 0)
                return ret;
-       }
 
-       PRINT_D(INIT_DBG, "*** re-init ***\n");
        ret = wilc1000_wlan_init(ndev, vif);
        if (ret < 0) {
-               PRINT_ER("Failed to initialize wilc1000\n");
                wilc_deinit_host_int(ndev);
                return ret;
        }
@@ -1097,23 +1021,16 @@ static void wilc_set_multicast_list(struct net_device *dev)
        if (!dev)
                return;
 
-       PRINT_D(INIT_DBG, "Setting Multicast List with count = %d.\n",
-               dev->mc.count);
-
-       if (dev->flags & IFF_PROMISC) {
-               PRINT_D(INIT_DBG, "Set promiscuous mode ON, retrive all packets\n");
+       if (dev->flags & IFF_PROMISC)
                return;
-       }
 
        if ((dev->flags & IFF_ALLMULTI) ||
            (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
-               PRINT_D(INIT_DBG, "Disable multicast filter, retrive all multicast packets\n");
                wilc_setup_multicast_filter(vif, false, 0);
                return;
        }
 
        if ((dev->mc.count) == 0) {
-               PRINT_D(INIT_DBG, "Enable multicast filter, retrive directed packets only.\n");
                wilc_setup_multicast_filter(vif, true, 0);
                return;
        }
@@ -1160,8 +1077,6 @@ int wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev)
        vif = netdev_priv(ndev);
        wilc = vif->wilc;
 
-       PRINT_D(TX_DBG, "Sending packet just received from TCP/IP\n");
-
        if (skb->dev != ndev) {
                PRINT_ER("Packet not destined to this device\n");
                return 0;
@@ -1169,7 +1084,6 @@ int wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev)
 
        tx_data = kmalloc(sizeof(*tx_data), GFP_ATOMIC);
        if (!tx_data) {
-               PRINT_ER("Failed to allocate memory for tx_data structure\n");
                dev_kfree_skb(skb);
                netif_wake_queue(ndev);
                return 0;
@@ -1191,8 +1105,6 @@ int wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev)
                PRINT_D(GENERIC_DBG, "DHCP Message transmitted, type:%x %x %x\n",
                        udp_buf[248], udp_buf[249], udp_buf[250]);
 
-       PRINT_D(TX_DBG, "Sending packet - Size = %d - Address = %p - SKB = %p\n", tx_data->size, tx_data->buff, tx_data->skb);
-       PRINT_D(TX_DBG, "Adding tx packet to TX Queue\n");
        vif->netstats.tx_packets++;
        vif->netstats.tx_bytes += tx_data->size;
        tx_data->bssid = wilc->vif[vif->u8IfIdx]->bssid;
@@ -1218,39 +1130,29 @@ int wilc_mac_close(struct net_device *ndev)
        vif = netdev_priv(ndev);
 
        if (!vif || !vif->ndev || !vif->ndev->ieee80211_ptr ||
-           !vif->ndev->ieee80211_ptr->wiphy) {
-               PRINT_ER("vif = NULL\n");
+           !vif->ndev->ieee80211_ptr->wiphy)
                return 0;
-       }
 
        priv = wiphy_priv(vif->ndev->ieee80211_ptr->wiphy);
        wl = vif->wilc;
 
-       if (!priv) {
-               PRINT_ER("priv = NULL\n");
+       if (!priv)
                return 0;
-       }
 
        hif_drv = (struct host_if_drv *)priv->hif_drv;
 
        PRINT_D(GENERIC_DBG, "Mac close\n");
 
-       if (!wl) {
-               PRINT_ER("wl = NULL\n");
+       if (!wl)
                return 0;
-       }
 
-       if (!hif_drv) {
-               PRINT_ER("hif_drv = NULL\n");
+       if (!hif_drv)
                return 0;
-       }
 
-       if ((wl->open_ifcs) > 0) {
+       if ((wl->open_ifcs) > 0)
                wl->open_ifcs--;
-       } else {
-               PRINT_ER("ERROR: MAC close called while number of opened interfaces is zero\n");
+       else
                return 0;
-       }
 
        if (vif->ndev) {
                netif_stop_queue(vif->ndev);
@@ -1303,8 +1205,6 @@ static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
                        if (strncasecmp(buff, "RSSI", length) == 0) {
                                priv = wiphy_priv(vif->ndev->ieee80211_ptr->wiphy);
                                ret = wilc_get_rssi(vif, &rssi);
-                               if (ret)
-                                       PRINT_ER("Failed to send get rssi param's message queue ");
                                PRINT_INFO(GENERIC_DBG, "RSSI :%d\n", rssi);
 
                                rssi += 5;
@@ -1360,10 +1260,9 @@ void wilc_frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset)
                buff_to_send = buff;
 
                skb = dev_alloc_skb(frame_len);
-               if (!skb) {
-                       PRINT_ER("Low memory - packet droped\n");
+               if (!skb)
                        return;
-               }
+
                skb->dev = wilc_netdev;
 
                memcpy(skb_put(skb, frame_len), buff_to_send, frame_len);
@@ -1453,10 +1352,8 @@ int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
 
        for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
                ndev = alloc_etherdev(sizeof(struct wilc_vif));
-               if (!ndev) {
-                       PRINT_ER("Failed to allocate ethernet dev\n");
+               if (!ndev)
                        return -1;
-               }
 
                vif = netdev_priv(ndev);
                memset(vif, 0, sizeof(struct wilc_vif));
@@ -1495,11 +1392,8 @@ int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
                        vif->netstats.tx_bytes = 0;
                }
 
-               if (register_netdev(ndev)) {
-                       PRINT_ER("Device couldn't be registered - %s\n",
-                                ndev->name);
+               if (register_netdev(ndev))
                        return -1;
-               }
 
                vif->iftype = STATION_MODE;
                vif->mac_opened = 0;