gigaset: reduce syslog clutter

Improve readability of the Gigaset driver's kernel messages by
removing a few unnecessary messages and limiting the emission
of some debug messages more narrowly.

Impact: logging
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 files changed, 77 insertions, 147 deletions

diff --git a/drivers/isdn/gigaset/asyncdata.c b/drivers/isdn/gigaset/asyncdata.c
index e913beb63f24..c5016bd2d94f 100644
--- a/drivers/isdn/gigaset/asyncdata.c
+++ b/drivers/isdn/gigaset/asyncdata.c
@@ -67,14 +67,14 @@ static unsigned cmd_loop(unsigned numbytes, struct inbuf_t *inbuf)
                         /* --v-- fall through --v-- */
                 case '\r':
                         /* end of message line, pass to response handler */
-                        gig_dbg(DEBUG_TRANSCMD, "%s: End of Message (%d Bytes)",
-                                __func__, cbytes);
                         if (cbytes >= MAX_RESP_SIZE) {
                                 dev_warn(cs->dev, "response too large (%d)\n",
                                          cbytes);
                                 cbytes = MAX_RESP_SIZE;
                         }
                         cs->cbytes = cbytes;
+                        gigaset_dbg_buffer(DEBUG_TRANSCMD, "received response",
+                                           cbytes, cs->respdata);
                         gigaset_handle_modem_response(cs);
                         cbytes = 0;
 
diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index 95ebc5129895..0be15c70c16d 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -347,12 +347,7 @@ static inline void error_hangup(struct bc_state *bcs)
 {
         struct cardstate *cs = bcs->cs;
 
-        gig_dbg(DEBUG_ANY, "%s: scheduling HUP for channel %d",
-                __func__, bcs->channel);
-
-        if (!gigaset_add_event(cs, &bcs->at_state, EV_HUP, NULL, 0, NULL))
-                dev_err(cs->dev, "event queue full\n");
-
+        gigaset_add_event(cs, &bcs->at_state, EV_HUP, NULL, 0, NULL);
         gigaset_schedule_event(cs);
 }
 
@@ -1706,8 +1701,7 @@ static void complete_cb(struct cardstate *cs)
 
         /* unqueue completed buffer */
         cs->cmdbytes -= cs->curlen;
-        gig_dbg(DEBUG_TRANSCMD|DEBUG_LOCKCMD,
-                "write_command: sent %u bytes, %u left",
+        gig_dbg(DEBUG_OUTPUT, "write_command: sent %u bytes, %u left",
                 cs->curlen, cs->cmdbytes);
         if (cb->next != NULL) {
                 cs->cmdbuf = cb->next;
@@ -1881,13 +1875,13 @@ static int start_cbsend(struct cardstate *cs)
 
         /* check if suspend requested */
         if (ucs->basstate & BS_SUSPEND) {
-                gig_dbg(DEBUG_TRANSCMD|DEBUG_LOCKCMD, "suspending");
+                gig_dbg(DEBUG_OUTPUT, "suspending");
                 return -EHOSTUNREACH;
         }
 
         /* check if AT channel is open */
         if (!(ucs->basstate & BS_ATOPEN)) {
-                gig_dbg(DEBUG_TRANSCMD|DEBUG_LOCKCMD, "AT channel not open");
+                gig_dbg(DEBUG_OUTPUT, "AT channel not open");
                 rc = req_submit(cs->bcs, HD_OPEN_ATCHANNEL, 0, BAS_TIMEOUT);
                 if (rc < 0) {
                         /* flush command queue */
@@ -2251,7 +2245,7 @@ static int gigaset_probe(struct usb_interface *interface,
         int i, j;
         int rc;
 
-        gig_dbg(DEBUG_ANY,
+        gig_dbg(DEBUG_INIT,
                 "%s: Check if device matches .. (Vendor: 0x%x, Product: 0x%x)",
                 __func__, le16_to_cpu(udev->descriptor.idVendor),
                 le16_to_cpu(udev->descriptor.idProduct));
@@ -2259,7 +2253,7 @@ static int gigaset_probe(struct usb_interface *interface,
         /* set required alternate setting */
         hostif = interface->cur_altsetting;
         if (hostif->desc.bAlternateSetting != 3) {
-                gig_dbg(DEBUG_ANY,
+                gig_dbg(DEBUG_INIT,
                         "%s: wrong alternate setting %d - trying to switch",
                         __func__, hostif->desc.bAlternateSetting);
                 if (usb_set_interface(udev, hostif->desc.bInterfaceNumber, 3)
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index 6f0ae32906bf..20ebcee9b0c0 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -1427,9 +1427,10 @@ static void do_connect_req(struct gigaset_capi_ctr *iif,
 
         /* queue & schedule EV_DIAL event */
         if (!gigaset_add_event(cs, &bcs->at_state, EV_DIAL, commands,
-                               bcs->at_state.seq_index, NULL))
-                goto oom;
-        gig_dbg(DEBUG_CMD, "scheduling DIAL");
+                               bcs->at_state.seq_index, NULL)) {
+                info = CAPI_MSGOSRESOURCEERR;
+                goto error;
+        }
         gigaset_schedule_event(cs);
         ap->connected = APCONN_SETUP;
         send_conf(iif, ap, skb, CapiSuccess);
@@ -1543,7 +1544,6 @@ static void do_connect_resp(struct gigaset_capi_ctr *iif,
                 if (!gigaset_add_event(cs, &cs->bcs[channel-1].at_state,
                                        EV_ACCEPT, NULL, 0, NULL))
                         return;
-                gig_dbg(DEBUG_CMD, "scheduling ACCEPT");
                 gigaset_schedule_event(cs);
                 return;
 
@@ -1584,7 +1584,6 @@ static void do_connect_resp(struct gigaset_capi_ctr *iif,
                 if (!gigaset_add_event(cs, &cs->bcs[channel-1].at_state,
                                        EV_HUP, NULL, 0, NULL))
                         return;
-                gig_dbg(DEBUG_CMD, "scheduling HUP");
                 gigaset_schedule_event(cs);
                 return;
         }
@@ -1667,11 +1666,9 @@ static void do_connect_b3_resp(struct gigaset_capi_ctr *iif,
                 /* trigger hangup, causing eventual DISCONNECT_IND */
                 if (!gigaset_add_event(cs, &bcs->at_state,
                                        EV_HUP, NULL, 0, NULL)) {
-                        dev_err(cs->dev, "%s: out of memory\n", __func__);
                         dev_kfree_skb_any(skb);
                         return;
                 }
-                gig_dbg(DEBUG_CMD, "scheduling HUP");
                 gigaset_schedule_event(cs);
 
                 /* emit DISCONNECT_B3_IND */
@@ -1770,11 +1767,9 @@ static void do_disconnect_req(struct gigaset_capi_ctr *iif,
 
         /* trigger hangup, causing eventual DISCONNECT_IND */
         if (!gigaset_add_event(cs, &bcs->at_state, EV_HUP, NULL, 0, NULL)) {
-                dev_err(cs->dev, "%s: out of memory\n", __func__);
                 send_conf(iif, ap, skb, CAPI_MSGOSRESOURCEERR);
                 return;
         }
-        gig_dbg(DEBUG_CMD, "scheduling HUP");
         gigaset_schedule_event(cs);
 
         /* emit reply */
@@ -1817,11 +1812,9 @@ static void do_disconnect_b3_req(struct gigaset_capi_ctr *iif,
         /* trigger hangup, causing eventual DISCONNECT_B3_IND */
         if (!gigaset_add_event(cs, &cs->bcs[channel-1].at_state,
                                EV_HUP, NULL, 0, NULL)) {
-                dev_err(cs->dev, "%s: out of memory\n", __func__);
                 send_conf(iif, ap, skb, CAPI_MSGOSRESOURCEERR);
                 return;
         }
-        gig_dbg(DEBUG_CMD, "scheduling HUP");
         gigaset_schedule_event(cs);
 
         /* NCPI parameter: not applicable for B3 Transparent */
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 664b0c519c3e..85de3399a2f2 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -149,10 +149,8 @@ static int test_timeout(struct at_state_t *at_state)
                 return 0;
         }
 
-        if (!gigaset_add_event(at_state->cs, at_state, EV_TIMEOUT, NULL,
-                               at_state->timer_index, NULL))
-                        dev_err(at_state->cs->dev, "%s: out of memory\n",
-                                __func__);
+        gigaset_add_event(at_state->cs, at_state, EV_TIMEOUT, NULL,
+                          at_state->timer_index, NULL);
         return 1;
 }
 
@@ -180,7 +178,7 @@ static void timer_tick(unsigned long data)
         if (cs->running) {
                 mod_timer(&cs->timer, jiffies + msecs_to_jiffies(GIG_TICK));
                 if (timeout) {
-                        gig_dbg(DEBUG_CMD, "scheduling timeout");
+                        gig_dbg(DEBUG_EVENT, "scheduling timeout");
                         tasklet_schedule(&cs->event_tasklet);
                 }
         }
@@ -194,14 +192,14 @@ int gigaset_get_channel(struct bc_state *bcs)
 
         spin_lock_irqsave(&bcs->cs->lock, flags);
         if (bcs->use_count || !try_module_get(bcs->cs->driver->owner)) {
-                gig_dbg(DEBUG_ANY, "could not allocate channel %d",
+                gig_dbg(DEBUG_CHANNEL, "could not allocate channel %d",
                         bcs->channel);
                 spin_unlock_irqrestore(&bcs->cs->lock, flags);
                 return 0;
         }
         ++bcs->use_count;
         bcs->busy = 1;
-        gig_dbg(DEBUG_ANY, "allocated channel %d", bcs->channel);
+        gig_dbg(DEBUG_CHANNEL, "allocated channel %d", bcs->channel);
         spin_unlock_irqrestore(&bcs->cs->lock, flags);
         return 1;
 }
@@ -213,7 +211,7 @@ struct bc_state *gigaset_get_free_channel(struct cardstate *cs)
 
         spin_lock_irqsave(&cs->lock, flags);
         if (!try_module_get(cs->driver->owner)) {
-                gig_dbg(DEBUG_ANY,
+                gig_dbg(DEBUG_CHANNEL,
                         "could not get module for allocating channel");
                 spin_unlock_irqrestore(&cs->lock, flags);
                 return NULL;
@@ -223,12 +221,12 @@ struct bc_state *gigaset_get_free_channel(struct cardstate *cs)
                         ++cs->bcs[i].use_count;
                         cs->bcs[i].busy = 1;
                         spin_unlock_irqrestore(&cs->lock, flags);
-                        gig_dbg(DEBUG_ANY, "allocated channel %d", i);
+                        gig_dbg(DEBUG_CHANNEL, "allocated channel %d", i);
                         return cs->bcs + i;
                 }
         module_put(cs->driver->owner);
         spin_unlock_irqrestore(&cs->lock, flags);
-        gig_dbg(DEBUG_ANY, "no free channel");
+        gig_dbg(DEBUG_CHANNEL, "no free channel");
         return NULL;
 }
 
@@ -238,14 +236,15 @@ void gigaset_free_channel(struct bc_state *bcs)
 
         spin_lock_irqsave(&bcs->cs->lock, flags);
         if (!bcs->busy) {
-                gig_dbg(DEBUG_ANY, "could not free channel %d", bcs->channel);
+                gig_dbg(DEBUG_CHANNEL, "could not free channel %d",
+                        bcs->channel);
                 spin_unlock_irqrestore(&bcs->cs->lock, flags);
                 return;
         }
         --bcs->use_count;
         bcs->busy = 0;
         module_put(bcs->cs->driver->owner);
-        gig_dbg(DEBUG_ANY, "freed channel %d", bcs->channel);
+        gig_dbg(DEBUG_CHANNEL, "freed channel %d", bcs->channel);
         spin_unlock_irqrestore(&bcs->cs->lock, flags);
 }
 
@@ -258,14 +257,15 @@ int gigaset_get_channels(struct cardstate *cs)
         for (i = 0; i < cs->channels; ++i)
                 if (cs->bcs[i].use_count) {
                         spin_unlock_irqrestore(&cs->lock, flags);
-                        gig_dbg(DEBUG_ANY, "could not allocate all channels");
+                        gig_dbg(DEBUG_CHANNEL,
+                                "could not allocate all channels");
                         return 0;
                 }
         for (i = 0; i < cs->channels; ++i)
                 ++cs->bcs[i].use_count;
         spin_unlock_irqrestore(&cs->lock, flags);
 
-        gig_dbg(DEBUG_ANY, "allocated all channels");
+        gig_dbg(DEBUG_CHANNEL, "allocated all channels");
 
         return 1;
 }
@@ -275,7 +275,7 @@ void gigaset_free_channels(struct cardstate *cs)
         unsigned long flags;
         int i;
 
-        gig_dbg(DEBUG_ANY, "unblocking all channels");
+        gig_dbg(DEBUG_CHANNEL, "unblocking all channels");
         spin_lock_irqsave(&cs->lock, flags);
         for (i = 0; i < cs->channels; ++i)
                 --cs->bcs[i].use_count;
@@ -287,7 +287,7 @@ void gigaset_block_channels(struct cardstate *cs)
         unsigned long flags;
         int i;
 
-        gig_dbg(DEBUG_ANY, "blocking all channels");
+        gig_dbg(DEBUG_CHANNEL, "blocking all channels");
         spin_lock_irqsave(&cs->lock, flags);
         for (i = 0; i < cs->channels; ++i)
                 ++cs->bcs[i].use_count;
@@ -338,6 +338,8 @@ struct event_t *gigaset_add_event(struct cardstate *cs,
         unsigned next, tail;
         struct event_t *event = NULL;
 
+        gig_dbg(DEBUG_EVENT, "queueing event %d", type);
+
         spin_lock_irqsave(&cs->ev_lock, flags);
 
         tail = cs->ev_tail;
@@ -934,11 +936,8 @@ int gigaset_start(struct cardstate *cs)
 
         if (!gigaset_add_event(cs, &cs->at_state, EV_START, NULL, 0, NULL)) {
                 cs->waiting = 0;
-                dev_err(cs->dev, "%s: out of memory\n", __func__);
                 goto error;
         }
-
-        gig_dbg(DEBUG_CMD, "scheduling START");
         gigaset_schedule_event(cs);
 
         wait_event(cs->waitqueue, !cs->waiting);
@@ -973,12 +972,8 @@ int gigaset_shutdown(struct cardstate *cs)
 
         cs->waiting = 1;
 
-        if (!gigaset_add_event(cs, &cs->at_state, EV_SHUTDOWN, NULL, 0, NULL)) {
-                dev_err(cs->dev, "%s: out of memory\n", __func__);
+        if (!gigaset_add_event(cs, &cs->at_state, EV_SHUTDOWN, NULL, 0, NULL))
                 goto exit;
-        }
-
-        gig_dbg(DEBUG_CMD, "scheduling SHUTDOWN");
         gigaset_schedule_event(cs);
 
         wait_event(cs->waitqueue, !cs->waiting);
@@ -1004,12 +999,8 @@ void gigaset_stop(struct cardstate *cs)
 
         cs->waiting = 1;
 
-        if (!gigaset_add_event(cs, &cs->at_state, EV_STOP, NULL, 0, NULL)) {
-                dev_err(cs->dev, "%s: out of memory\n", __func__);
+        if (!gigaset_add_event(cs, &cs->at_state, EV_STOP, NULL, 0, NULL))
                 goto exit;
-        }
-
-        gig_dbg(DEBUG_CMD, "scheduling STOP");
         gigaset_schedule_event(cs);
 
         wait_event(cs->waitqueue, !cs->waiting);
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index ddeb0456d202..c8f89b78b233 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -427,7 +427,7 @@ static int isdn_getnum(char *p)
 {
         int v = -1;
 
-        gig_dbg(DEBUG_TRANSCMD, "string: %s", p);
+        gig_dbg(DEBUG_EVENT, "string: %s", p);
 
         while (*p >= '0' && *p <= '9')
                 v = ((v < 0) ? 0 : (v * 10)) + (int) ((*p++) - '0');
@@ -444,7 +444,7 @@ static int isdn_gethex(char *p)
         int v = 0;
         int c;
 
-        gig_dbg(DEBUG_TRANSCMD, "string: %s", p);
+        gig_dbg(DEBUG_EVENT, "string: %s", p);
 
         if (!*p)
                 return -1;
@@ -517,7 +517,6 @@ void gigaset_handle_modem_response(struct cardstate *cs)
                 return;
         }
         cs->respdata[len] = 0;
-        gig_dbg(DEBUG_TRANSCMD, "raw string: '%s'", cs->respdata);
         argv[0] = cs->respdata;
         params = 1;
         if (cs->at_state.getstring) {
@@ -552,14 +551,14 @@ void gigaset_handle_modem_response(struct cardstate *cs)
                 for (j = 1; j < params; ++j)
                         argv[j][-1] = 0;
 
-                gig_dbg(DEBUG_TRANSCMD, "CMD received: %s", argv[0]);
+                gig_dbg(DEBUG_EVENT, "CMD received: %s", argv[0]);
                 if (cid) {
                         --params;
-                        gig_dbg(DEBUG_TRANSCMD, "CID: %s", argv[params]);
+                        gig_dbg(DEBUG_EVENT, "CID: %s", argv[params]);
                 }
-                gig_dbg(DEBUG_TRANSCMD, "available params: %d", params - 1);
+                gig_dbg(DEBUG_EVENT, "available params: %d", params - 1);
                 for (j = 1; j < params; j++)
-                        gig_dbg(DEBUG_TRANSCMD, "param %d: %s", j, argv[j]);
+                        gig_dbg(DEBUG_EVENT, "param %d: %s", j, argv[j]);
         }
 
         spin_lock_irqsave(&cs->ev_lock, flags);
@@ -642,7 +641,7 @@ void gigaset_handle_modem_response(struct cardstate *cs)
                                         dev_err(cs->dev, "out of memory\n");
                                 ++curarg;
                         }
-                        gig_dbg(DEBUG_CMD, "string==%s",
+                        gig_dbg(DEBUG_EVENT, "string==%s",
                                 event->ptr ? (char *) event->ptr : "NULL");
                         break;
                 case RT_ZCAU:
@@ -669,7 +668,7 @@ void gigaset_handle_modem_response(struct cardstate *cs)
                                 ++curarg;
                         } else
                                 event->parameter = -1;
-                        gig_dbg(DEBUG_CMD, "parameter==%d", event->parameter);
+                        gig_dbg(DEBUG_EVENT, "parameter==%d", event->parameter);
                         break;
                 }
 
@@ -684,7 +683,7 @@ void gigaset_handle_modem_response(struct cardstate *cs)
         spin_unlock_irqrestore(&cs->ev_lock, flags);
 
         if (curarg != params)
-                gig_dbg(DEBUG_ANY,
+                gig_dbg(DEBUG_EVENT,
                         "invalid number of processed parameters: %d/%d",
                         curarg, params);
 }
@@ -705,8 +704,8 @@ static void disconnect(struct at_state_t **at_state_p)
         /* revert to selected idle mode */
         if (!cs->cidmode) {
                 cs->at_state.pending_commands |= PC_UMMODE;
+                gig_dbg(DEBUG_EVENT, "Scheduling PC_UMMODE");
                 cs->commands_pending = 1;
-                gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE");
         }
         spin_unlock_irqrestore(&cs->lock, flags);
 
@@ -784,15 +783,15 @@ static void init_failed(struct cardstate *cs, int mode)
 static void schedule_init(struct cardstate *cs, int state)
 {
         if (cs->at_state.pending_commands & PC_INIT) {
-                gig_dbg(DEBUG_CMD, "not scheduling PC_INIT again");
+                gig_dbg(DEBUG_EVENT, "not scheduling PC_INIT again");
                 return;
         }
         cs->mstate = state;
         cs->mode = M_UNKNOWN;
         gigaset_block_channels(cs);
         cs->at_state.pending_commands |= PC_INIT;
+        gig_dbg(DEBUG_EVENT, "Scheduling PC_INIT");
         cs->commands_pending = 1;
-        gig_dbg(DEBUG_CMD, "Scheduling PC_INIT");
 }
 
 /* Add "AT" to a command, add the cid, dle encode it, send the result to the
@@ -923,7 +922,7 @@ static void start_dial(struct at_state_t *at_state, void *data,
         }
 
         at_state->pending_commands |= PC_CID;
-        gig_dbg(DEBUG_CMD, "Scheduling PC_CID");
+        gig_dbg(DEBUG_EVENT, "Scheduling PC_CID");
         cs->commands_pending = 1;
         return;
 
@@ -933,7 +932,7 @@ error:
                 commands[i] = NULL;
         }
         at_state->pending_commands |= PC_NOCID;
-        gig_dbg(DEBUG_CMD, "Scheduling PC_NOCID");
+        gig_dbg(DEBUG_EVENT, "Scheduling PC_NOCID");
         cs->commands_pending = 1;
         return;
 }
@@ -955,7 +954,7 @@ static void start_accept(struct at_state_t *at_state)
                 dev_err(at_state->cs->dev, "out of memory\n");
                 /* error reset */
                 at_state->pending_commands |= PC_HUP;
-                gig_dbg(DEBUG_CMD, "Scheduling PC_HUP");
+                gig_dbg(DEBUG_EVENT, "Scheduling PC_HUP");
                 cs->commands_pending = 1;
                 return;
         }
@@ -964,7 +963,7 @@ static void start_accept(struct at_state_t *at_state)
         snprintf(bcs->commands[AT_ISO], 9, "^SISO=%u\r", bcs->channel + 1);
 
         at_state->pending_commands |= PC_ACCEPT;
-        gig_dbg(DEBUG_CMD, "Scheduling PC_ACCEPT");
+        gig_dbg(DEBUG_EVENT, "Scheduling PC_ACCEPT");
         cs->commands_pending = 1;
 }
 
@@ -1009,8 +1008,8 @@ static void do_shutdown(struct cardstate *cs)
         if (cs->mstate == MS_READY) {
                 cs->mstate = MS_SHUTDOWN;
                 cs->at_state.pending_commands |= PC_SHUTDOWN;
+                gig_dbg(DEBUG_EVENT, "Scheduling PC_SHUTDOWN");
                 cs->commands_pending = 1;
-                gig_dbg(DEBUG_CMD, "Scheduling PC_SHUTDOWN");
         } else
                 finish_shutdown(cs);
 }
@@ -1191,8 +1190,8 @@ static void do_action(int action, struct cardstate *cs,
                 }
                 spin_unlock_irqrestore(&cs->lock, flags);
                 cs->at_state.pending_commands |= PC_CIDMODE;
+                gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE");
                 cs->commands_pending = 1;
-                gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
                 break;
         case ACT_FAILINIT:
                 dev_warn(cs->dev, "Could not initialize the device.\n");
@@ -1443,7 +1442,7 @@ static void do_action(int action, struct cardstate *cs,
         case ACT_GOTVER:
                 if (cs->gotfwver == 0) {
                         cs->gotfwver = 1;
-                        gig_dbg(DEBUG_ANY,
+                        gig_dbg(DEBUG_EVENT,
                                 "firmware version %02d.%03d.%02d.%02d",
                                 cs->fwver[0], cs->fwver[1],
                                 cs->fwver[2], cs->fwver[3]);
@@ -1481,8 +1480,8 @@ static void do_action(int action, struct cardstate *cs,
                 break;
         case ACT_HUP:
                 at_state->pending_commands |= PC_HUP;
+                gig_dbg(DEBUG_EVENT, "Scheduling PC_HUP");
                 cs->commands_pending = 1;
-                gig_dbg(DEBUG_CMD, "Scheduling PC_HUP");
                 break;
 
         /* hotplug events */
@@ -1519,10 +1518,10 @@ static void do_action(int action, struct cardstate *cs,
                         cs->cidmode = ev->parameter;
                         if (ev->parameter) {
                                 cs->at_state.pending_commands |= PC_CIDMODE;
-                                gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
+                                gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE");
                         } else {
                                 cs->at_state.pending_commands |= PC_UMMODE;
-                                gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE");
+                                gig_dbg(DEBUG_EVENT, "Scheduling PC_UMMODE");
                         }
                         cs->commands_pending = 1;
                 }
@@ -1573,6 +1572,8 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
         if (ev->cid >= 0) {
                 at_state = at_state_from_cid(cs, ev->cid);
                 if (!at_state) {
+                        gig_dbg(DEBUG_EVENT, "event %d for invalid cid %d",
+                                ev->type, ev->cid);
                         gigaset_add_event(cs, &cs->at_state, RSP_WRONG_CID,
                                           NULL, 0, NULL);
                         return;
@@ -1580,13 +1581,13 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
         } else {
                 at_state = ev->at_state;
                 if (at_state_invalid(cs, at_state)) {
-                        gig_dbg(DEBUG_ANY, "event for invalid at_state %p",
+                        gig_dbg(DEBUG_EVENT, "event for invalid at_state %p",
                                 at_state);
                         return;
                 }
         }
 
-        gig_dbg(DEBUG_CMD, "connection state %d, event %d",
+        gig_dbg(DEBUG_EVENT, "connection state %d, event %d",
                 at_state->ConState, ev->type);
 
         bcs = at_state->bcs;
@@ -1600,11 +1601,11 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
                 if (ev->parameter != at_state->timer_index
                     || !at_state->timer_active) {
                         ev->type = RSP_NONE; /* old timeout */
-                        gig_dbg(DEBUG_ANY, "old timeout");
+                        gig_dbg(DEBUG_EVENT, "old timeout");
                 } else if (!at_state->waiting)
-                        gig_dbg(DEBUG_ANY, "timeout occurred");
+                        gig_dbg(DEBUG_EVENT, "timeout occurred");
                 else
-                        gig_dbg(DEBUG_ANY, "stopped waiting");
+                        gig_dbg(DEBUG_EVENT, "stopped waiting");
         }
         spin_unlock_irqrestore(&cs->lock, flags);
 
@@ -1712,11 +1713,11 @@ static void process_command_flags(struct cardstate *cs)
         cs->commands_pending = 0;
 
         if (cs->cur_at_seq) {
-                gig_dbg(DEBUG_CMD, "not searching scheduled commands: busy");
+                gig_dbg(DEBUG_EVENT, "not searching scheduled commands: busy");
                 return;
         }
 
-        gig_dbg(DEBUG_CMD, "searching scheduled commands");
+        gig_dbg(DEBUG_EVENT, "searching scheduled commands");
 
         sequence = SEQ_NONE;
 
@@ -1857,7 +1858,7 @@ static void process_command_flags(struct cardstate *cs)
                         switch (cs->mode) {
                         case M_UNIMODEM:
                                 cs->at_state.pending_commands |= PC_CIDMODE;
-                                gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
+                                gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE");
                                 cs->commands_pending = 1;
                                 return;
 #ifdef GIG_MAYINITONDIAL
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index c9ccf7de2275..1875ab80b335 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -78,9 +78,10 @@ enum debuglevel {
         DEBUG_STREAM      = 0x00040, /* application data stream I/O events */
         DEBUG_STREAM_DUMP = 0x00080, /* application data stream content */
         DEBUG_LLDATA      = 0x00100, /* sent/received LL data */
+        DEBUG_EVENT       = 0x00200, /* event processing */
         DEBUG_DRIVER      = 0x00400, /* driver structure */
         DEBUG_HDLC        = 0x00800, /* M10x HDLC processing */
-        DEBUG_WRITE       = 0x01000, /* M105 data write */
+        DEBUG_CHANNEL     = 0x01000, /* channel allocation/deallocation */
         DEBUG_TRANSCMD    = 0x02000, /* AT-COMMANDS+RESPONSES */
         DEBUG_MCMD        = 0x04000, /* COMMANDS THAT ARE SENT VERY OFTEN */
         DEBUG_INIT        = 0x08000, /* (de)allocation+initialization of data
@@ -785,8 +786,6 @@ static inline void gigaset_schedule_event(struct cardstate *cs)
 static inline void gigaset_bchannel_down(struct bc_state *bcs)
 {
         gigaset_add_event(bcs->cs, &bcs->at_state, EV_BC_CLOSED, NULL, 0, NULL);
-
-        gig_dbg(DEBUG_CMD, "scheduling BC_CLOSED");
         gigaset_schedule_event(bcs->cs);
 }
 
@@ -795,8 +794,6 @@ static inline void gigaset_bchannel_down(struct bc_state *bcs)
 static inline void gigaset_bchannel_up(struct bc_state *bcs)
 {
         gigaset_add_event(bcs->cs, &bcs->at_state, EV_BC_OPEN, NULL, 0, NULL);
-
-        gig_dbg(DEBUG_CMD, "scheduling BC_OPEN");
         gigaset_schedule_event(bcs->cs);
 }
 
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index c129ee47a8fb..f0acb9dc9e33 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -216,7 +216,7 @@ static int command_from_LL(isdn_ctrl *cntrl)
                 return -EINVAL;
 
         case ISDN_CMD_DIAL:
-                gig_dbg(DEBUG_ANY,
+                gig_dbg(DEBUG_CMD,
                         "ISDN_CMD_DIAL (phone: %s, msn: %s, si1: %d, si2: %d)",
                         cntrl->parm.setup.phone, cntrl->parm.setup.eazmsn,
                         cntrl->parm.setup.si1, cntrl->parm.setup.si2);
@@ -304,11 +304,10 @@ static int command_from_LL(isdn_ctrl *cntrl)
                         gigaset_free_channel(bcs);
                         return -ENOMEM;
                 }
-
-                gig_dbg(DEBUG_CMD, "scheduling DIAL");
                 gigaset_schedule_event(cs);
                 break;
         case ISDN_CMD_ACCEPTD:
+                gig_dbg(DEBUG_CMD, "ISDN_CMD_ACCEPTD");
                 if (ch >= cs->channels) {
                         dev_err(cs->dev,
                                 "ISDN_CMD_ACCEPTD: invalid channel (%d)\n", ch);
@@ -318,14 +317,11 @@ static int command_from_LL(isdn_ctrl *cntrl)
                 if (!gigaset_add_event(cs, &bcs->at_state,
                                        EV_ACCEPT, NULL, 0, NULL))
                         return -ENOMEM;
-
-                gig_dbg(DEBUG_CMD, "scheduling ACCEPT");
                 gigaset_schedule_event(cs);
 
                 break;
-        case ISDN_CMD_ACCEPTB:
-                break;
         case ISDN_CMD_HANGUP:
+                gig_dbg(DEBUG_CMD, "ISDN_CMD_HANGUP");
                 if (ch >= cs->channels) {
                         dev_err(cs->dev,
                                 "ISDN_CMD_HANGUP: invalid channel (%d)\n", ch);
@@ -335,8 +331,6 @@ static int command_from_LL(isdn_ctrl *cntrl)
                 if (!gigaset_add_event(cs, &bcs->at_state,
                                        EV_HUP, NULL, 0, NULL))
                         return -ENOMEM;
-
-                gig_dbg(DEBUG_CMD, "scheduling HUP");
                 gigaset_schedule_event(cs);
 
                 break;
@@ -376,6 +370,7 @@ static int command_from_LL(isdn_ctrl *cntrl)
                 }
                 break;
         case ISDN_CMD_SETL3: /* Set L3 to given protocol */
+                gig_dbg(DEBUG_CMD, "ISDN_CMD_SETL3");
                 if (ch >= cs->channels) {
                         dev_err(cs->dev,
                                 "ISDN_CMD_SETL3: invalid channel (%d)\n", ch);
@@ -390,44 +385,9 @@ static int command_from_LL(isdn_ctrl *cntrl)
                 }
 
                 break;
-        case ISDN_CMD_PROCEED:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_PROCEED");
-                break;
-        case ISDN_CMD_ALERT:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_ALERT");
-                if (cntrl->arg >= cs->channels) {
-                        dev_err(cs->dev,
-                                "ISDN_CMD_ALERT: invalid channel (%d)\n",
-                                (int) cntrl->arg);
-                        return -EINVAL;
-                }
-                break;
-        case ISDN_CMD_REDIR:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_REDIR");
-                break;
-        case ISDN_CMD_PROT_IO:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_PROT_IO");
-                break;
-        case ISDN_CMD_FAXCMD:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_FAXCMD");
-                break;
-        case ISDN_CMD_GETL2:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_GETL2");
-                break;
-        case ISDN_CMD_GETL3:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_GETL3");
-                break;
-        case ISDN_CMD_GETEAZ:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_GETEAZ");
-                break;
-        case ISDN_CMD_SETSIL:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_SETSIL");
-                break;
-        case ISDN_CMD_GETSIL:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_GETSIL");
-                break;
+
         default:
-                dev_err(cs->dev, "unknown command %d from LL\n",
+                gig_dbg(DEBUG_CMD, "unknown command %d from LL",
                         cntrl->command);
                 return -EINVAL;
         }
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index d2260b0055fc..a1bcbc21ff71 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -45,8 +45,6 @@ static int if_lock(struct cardstate *cs, int *arg)
                 cs->waiting = 0;
                 return -ENOMEM;
         }
-
-        gig_dbg(DEBUG_CMD, "scheduling IF_LOCK");
         gigaset_schedule_event(cs);
 
         wait_event(cs->waitqueue, !cs->waiting);
@@ -81,8 +79,6 @@ static int if_version(struct cardstate *cs, unsigned arg[4])
                         cs->waiting = 0;
                         return -ENOMEM;
                 }
-
-                gig_dbg(DEBUG_CMD, "scheduling IF_VER");
                 gigaset_schedule_event(cs);
 
                 wait_event(cs->waitqueue, !cs->waiting);
@@ -274,7 +270,7 @@ static int if_ioctl(struct tty_struct *tty, struct file *file,
                                         ? -EFAULT : 0;
                         break;
                 default:
-                        gig_dbg(DEBUG_ANY, "%s: arg not supported - 0x%04x",
+                        gig_dbg(DEBUG_IF, "%s: arg not supported - 0x%04x",
                                 __func__, cmd);
                         retval = -ENOIOCTLCMD;
                 }
@@ -455,7 +451,7 @@ static void if_throttle(struct tty_struct *tty)
         else if (!cs->open_count)
                 dev_warn(cs->dev, "%s: device not opened\n", __func__);
         else
-                gig_dbg(DEBUG_ANY, "%s: not implemented\n", __func__);
+                gig_dbg(DEBUG_IF, "%s: not implemented\n", __func__);
 
         mutex_unlock(&cs->mutex);
 }
@@ -479,7 +475,7 @@ static void if_unthrottle(struct tty_struct *tty)
         else if (!cs->open_count)
                 dev_warn(cs->dev, "%s: device not opened\n", __func__);
         else
-                gig_dbg(DEBUG_ANY, "%s: not implemented\n", __func__);
+                gig_dbg(DEBUG_IF, "%s: not implemented\n", __func__);
 
         mutex_unlock(&cs->mutex);
 }
@@ -630,7 +626,7 @@ void gigaset_if_receive(struct cardstate *cs,
         spin_lock_irqsave(&cs->lock, flags);
         tty = cs->tty;
         if (tty == NULL)
-                gig_dbg(DEBUG_ANY, "receive on closed device");
+                gig_dbg(DEBUG_IF, "receive on closed device");
         else {
                 tty_buffer_request_room(tty, len);
                 tty_insert_flip_string(tty, buffer, len);
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c
index 758a00c1d2e2..b69f73a0668f 100644
--- a/drivers/isdn/gigaset/proc.c
+++ b/drivers/isdn/gigaset/proc.c
@@ -48,8 +48,6 @@ static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr,
                 mutex_unlock(&cs->mutex);
                 return -ENOMEM;
         }
-
-        gig_dbg(DEBUG_CMD, "scheduling PROC_CIDMODE");
         gigaset_schedule_event(cs);
 
         wait_event(cs->waitqueue, !cs->waiting);
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index 3ab1daeb276b..9430a2bbb523 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -628,7 +628,7 @@ static int write_modem(struct cardstate *cs)
         struct usb_cardstate *ucs = cs->hw.usb;
         unsigned long flags;
 
-        gig_dbg(DEBUG_WRITE, "len: %d...", bcs->tx_skb->len);
+        gig_dbg(DEBUG_OUTPUT, "len: %d...", bcs->tx_skb->len);
 
         if (!bcs->tx_skb->len) {
                 dev_kfree_skb_any(bcs->tx_skb);