From 917f5085ddb3498033551e711fb22f48ddeb8378 Mon Sep 17 00:00:00 2001 From: Tilman Schmidt Date: Mon, 10 Apr 2006 22:55:00 -0700 Subject: [PATCH] isdn4linux: Siemens Gigaset drivers: code cleanup With Hansjoerg Lipp Source code formatting cleanups for the Siemens Gigaset drivers, such as line length, comments, removal of unused declarations, and typo corrections. It does not introduce any functional changes. Signed-off-by: Hansjoerg Lipp Signed-off-by: Tilman Schmidt Cc: Karsten Keil Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/isdn/gigaset/i4l.c | 40 ++++++++++++++++++++-------------------- 1 file changed, 20 insertions(+), 20 deletions(-) (limited to 'drivers/isdn/gigaset/i4l.c') diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c index 731a675f21b..e30275d4e14 100644 --- a/drivers/isdn/gigaset/i4l.c +++ b/drivers/isdn/gigaset/i4l.c @@ -11,10 +11,6 @@ * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * ===================================================================== - * ToDo: ... - * ===================================================================== - * Version: $Id: i4l.c,v 1.3.2.9 2006/02/04 18:28:16 hjlipp Exp $ - * ===================================================================== */ #include "gigaset.h" @@ -29,7 +25,8 @@ * parameters: * driverID driver ID as assigned by LL * channel channel number - * ack if != 0 LL wants to be notified on completion via statcallb(ISDN_STAT_BSENT) + * ack if != 0 LL wants to be notified on completion via + * statcallb(ISDN_STAT_BSENT) * skb skb containing data to send * return value: * number of accepted bytes @@ -123,9 +120,6 @@ static int command_from_LL(isdn_ctrl *cntrl) //dbg(DEBUG_ANY, "Gigaset_HW: Receiving command"); gigaset_debugdrivers(); - /* Terminate this call if no device is present. Bt if the command is "ISDN_CMD_LOCK" or - * "ISDN_CMD_UNLOCK" then execute it due to the fact that they are device independent ! - */ //FIXME "remove test for &connected" if ((!cs || !atomic_read(&cs->connected))) { warn("LL tried to access unknown device with nr. %d", @@ -222,15 +216,15 @@ static int command_from_LL(isdn_ctrl *cntrl) gigaset_schedule_event(cs); break; - case ISDN_CMD_CLREAZ: /* Do not signal incoming signals */ //FIXME + case ISDN_CMD_CLREAZ: /* Do not signal incoming signals */ //FIXME dbg(DEBUG_ANY, "ISDN_CMD_CLREAZ"); break; - case ISDN_CMD_SETEAZ: /* Signal incoming calls for given MSN */ //FIXME + case ISDN_CMD_SETEAZ: /* Signal incoming calls for given MSN */ //FIXME dbg(DEBUG_ANY, "ISDN_CMD_SETEAZ (id:%d, channel: %ld, number: %s)", cntrl->driver, cntrl->arg, cntrl->parm.num); break; - case ISDN_CMD_SETL2: /* Set L2 to given protocol */ + case ISDN_CMD_SETL2: /* Set L2 to given protocol */ dbg(DEBUG_ANY, "ISDN_CMD_SETL2 (Channel: %ld, Proto: %lx)", cntrl->arg & 0xff, (cntrl->arg >> 8)); @@ -250,7 +244,7 @@ static int command_from_LL(isdn_ctrl *cntrl) dbg(DEBUG_CMD, "scheduling PROTO_L2"); gigaset_schedule_event(cs); break; - case ISDN_CMD_SETL3: /* Set L3 to given protocol */ + case ISDN_CMD_SETL3: /* Set L3 to given protocol */ dbg(DEBUG_ANY, "ISDN_CMD_SETL3 (Channel: %ld, Proto: %lx)", cntrl->arg & 0xff, (cntrl->arg >> 8)); @@ -396,10 +390,14 @@ int gigaset_isdn_setup_dial(struct at_state_t *at_state, void *data) } if (bcs->commands[AT_MSN]) - snprintf(bcs->commands[AT_MSN], length[AT_MSN], "^SMSN=%s\r", sp->eazmsn); - snprintf(bcs->commands[AT_BC ], length[AT_BC ], "^SBC=%s\r", bc); - snprintf(bcs->commands[AT_PROTO], length[AT_PROTO], "^SBPR=%u\r", proto); - snprintf(bcs->commands[AT_ISO ], length[AT_ISO ], "^SISO=%u\r", (unsigned)bcs->channel + 1); + snprintf(bcs->commands[AT_MSN], length[AT_MSN], + "^SMSN=%s\r", sp->eazmsn); + snprintf(bcs->commands[AT_BC ], length[AT_BC ], + "^SBC=%s\r", bc); + snprintf(bcs->commands[AT_PROTO], length[AT_PROTO], + "^SBPR=%u\r", proto); + snprintf(bcs->commands[AT_ISO ], length[AT_ISO ], + "^SISO=%u\r", (unsigned)bcs->channel + 1); return 0; } @@ -441,8 +439,10 @@ int gigaset_isdn_setup_accept(struct at_state_t *at_state) } } - snprintf(bcs->commands[AT_PROTO], length[AT_PROTO], "^SBPR=%u\r", proto); - snprintf(bcs->commands[AT_ISO ], length[AT_ISO ], "^SISO=%u\r", (unsigned) bcs->channel + 1); + snprintf(bcs->commands[AT_PROTO], length[AT_PROTO], + "^SBPR=%u\r", proto); + snprintf(bcs->commands[AT_ISO ], length[AT_ISO ], + "^SISO=%u\r", (unsigned) bcs->channel + 1); return 0; } @@ -542,9 +542,9 @@ int gigaset_register_to_LL(struct cardstate *cs, const char *isdnid) return -ENOMEM; //FIXME EINVAL/...?? iif->owner = THIS_MODULE; - iif->channels = cs->channels; /* I am supporting just one channel *//* I was supporting...*/ + iif->channels = cs->channels; iif->maxbufsize = MAX_BUF_SIZE; - iif->features = ISDN_FEATURE_L2_TRANS | /* Our device is very advanced, therefore */ + iif->features = ISDN_FEATURE_L2_TRANS | ISDN_FEATURE_L2_HDLC | #ifdef GIG_X75 ISDN_FEATURE_L2_X75I | -- cgit v1.2.3 From 784d5858aac58c06608def862d73ae9a32f5ee23 Mon Sep 17 00:00:00 2001 From: Tilman Schmidt Date: Mon, 10 Apr 2006 22:55:04 -0700 Subject: [PATCH] isdn4linux: Siemens Gigaset drivers: logging usage With Hansjoerg Lipp Improve error reporting of the Gigaset drivers, by using the dev_err/dev_warn/dev_info macros from device.h instead of err/warn/info from usb.h whereever possible. Also rename the private dbg macro to gig_dbg in order to avoid confusion with the macro of the same name in usb.h. Signed-off-by: Hansjoerg Lipp Signed-off-by: Tilman Schmidt Cc: Karsten Keil Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/isdn/gigaset/i4l.c | 178 +++++++++++++++++++++++---------------------- 1 file changed, 93 insertions(+), 85 deletions(-) (limited to 'drivers/isdn/gigaset/i4l.c') diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c index e30275d4e14..cc1d3093e43 100644 --- a/drivers/isdn/gigaset/i4l.c +++ b/drivers/isdn/gigaset/i4l.c @@ -15,7 +15,7 @@ #include "gigaset.h" -/* == Handling of I4L IO ============================================================================*/ +/* == Handling of I4L IO =====================================================*/ /* writebuf_from_LL * called by LL to transmit data on an open channel @@ -33,7 +33,8 @@ * 0 if temporarily unable to accept data (out of buffer space) * <0 on error (eg. -EINVAL) */ -static int writebuf_from_LL(int driverID, int channel, int ack, struct sk_buff *skb) +static int writebuf_from_LL(int driverID, int channel, int ack, + struct sk_buff *skb) { struct cardstate *cs; struct bc_state *bcs; @@ -51,28 +52,30 @@ static int writebuf_from_LL(int driverID, int channel, int ack, struct sk_buff * bcs = &cs->bcs[channel]; len = skb->len; - dbg(DEBUG_LLDATA, - "Receiving data from LL (id: %d, channel: %d, ack: %d, size: %d)", - driverID, channel, ack, len); + gig_dbg(DEBUG_LLDATA, + "Receiving data from LL (id: %d, ch: %d, ack: %d, sz: %d)", + driverID, channel, ack, len); + + if (!atomic_read(&cs->connected)) { + err("%s: disconnected", __func__); + return -ENODEV; + } if (!len) { if (ack) - warn("not ACKing empty packet from LL"); + notice("%s: not ACKing empty packet", __func__); return 0; } if (len > MAX_BUF_SIZE) { - err("%s: packet too large (%d bytes)", __func__, channel); + err("%s: packet too large (%d bytes)", __func__, len); return -EINVAL; } - if (!atomic_read(&cs->connected)) - return -ENODEV; - skblen = ack ? len : 0; skb->head[0] = skblen & 0xff; skb->head[1] = skblen >> 8; - dbg(DEBUG_MCMD, "skb: len=%u, skblen=%u: %02x %02x", len, skblen, - (unsigned) skb->head[0], (unsigned) skb->head[1]); + gig_dbg(DEBUG_MCMD, "skb: len=%u, skblen=%u: %02x %02x", + len, skblen, (unsigned) skb->head[0], (unsigned) skb->head[1]); /* pass to device-specific module */ return cs->ops->send_skb(bcs, skb); @@ -86,14 +89,14 @@ void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb) ++bcs->trans_up; if (skb->len) - warn("%s: skb->len==%d", __func__, skb->len); + dev_warn(bcs->cs->dev, "%s: skb->len==%d\n", + __func__, skb->len); len = (unsigned char) skb->head[0] | (unsigned) (unsigned char) skb->head[1] << 8; if (len) { - dbg(DEBUG_MCMD, - "Acknowledge sending to LL (id: %d, channel: %d size: %u)", - bcs->cs->myid, bcs->channel, len); + gig_dbg(DEBUG_MCMD, "ACKing to LL (id: %d, ch: %d, sz: %u)", + bcs->cs->myid, bcs->channel, len); response.driver = bcs->cs->myid; response.command = ISDN_STAT_BSENT; @@ -117,7 +120,6 @@ static int command_from_LL(isdn_ctrl *cntrl) int retval = 0; struct setup_parm *sp; - //dbg(DEBUG_ANY, "Gigaset_HW: Receiving command"); gigaset_debugdrivers(); //FIXME "remove test for &connected" @@ -129,29 +131,30 @@ static int command_from_LL(isdn_ctrl *cntrl) switch (cntrl->command) { case ISDN_CMD_IOCTL: - - dbg(DEBUG_ANY, "ISDN_CMD_IOCTL (driver:%d,arg: %ld)", - cntrl->driver, cntrl->arg); + gig_dbg(DEBUG_ANY, "ISDN_CMD_IOCTL (driver: %d, arg: %ld)", + cntrl->driver, cntrl->arg); warn("ISDN_CMD_IOCTL is not supported."); return -EINVAL; case ISDN_CMD_DIAL: - dbg(DEBUG_ANY, "ISDN_CMD_DIAL (driver: %d, channel: %ld, " - "phone: %s,ownmsn: %s, si1: %d, si2: %d)", - cntrl->driver, cntrl->arg, - cntrl->parm.setup.phone, cntrl->parm.setup.eazmsn, - cntrl->parm.setup.si1, cntrl->parm.setup.si2); + gig_dbg(DEBUG_ANY, + "ISDN_CMD_DIAL (driver: %d, ch: %ld, " + "phone: %s, ownmsn: %s, si1: %d, si2: %d)", + cntrl->driver, cntrl->arg, + cntrl->parm.setup.phone, cntrl->parm.setup.eazmsn, + cntrl->parm.setup.si1, cntrl->parm.setup.si2); if (cntrl->arg >= cs->channels) { - err("invalid channel (%d)", (int) cntrl->arg); + err("ISDN_CMD_DIAL: invalid channel (%d)", + (int) cntrl->arg); return -EINVAL; } bcs = cs->bcs + cntrl->arg; if (!gigaset_get_channel(bcs)) { - err("channel not free"); + err("ISDN_CMD_DIAL: channel not free"); return -EBUSY; } @@ -164,41 +167,42 @@ static int command_from_LL(isdn_ctrl *cntrl) *sp = cntrl->parm.setup; if (!gigaset_add_event(cs, &bcs->at_state, EV_DIAL, sp, - atomic_read(&bcs->at_state.seq_index), - NULL)) { + atomic_read(&bcs->at_state.seq_index), + NULL)) { //FIXME what should we do? kfree(sp); gigaset_free_channel(bcs); return -ENOMEM; } - dbg(DEBUG_CMD, "scheduling DIAL"); + gig_dbg(DEBUG_CMD, "scheduling DIAL"); gigaset_schedule_event(cs); break; case ISDN_CMD_ACCEPTD: //FIXME - dbg(DEBUG_ANY, "ISDN_CMD_ACCEPTD"); + gig_dbg(DEBUG_ANY, "ISDN_CMD_ACCEPTD"); if (cntrl->arg >= cs->channels) { - err("invalid channel (%d)", (int) cntrl->arg); + err("ISDN_CMD_ACCEPTD: invalid channel (%d)", + (int) cntrl->arg); return -EINVAL; } if (!gigaset_add_event(cs, &cs->bcs[cntrl->arg].at_state, - EV_ACCEPT, NULL, 0, NULL)) { + EV_ACCEPT, NULL, 0, NULL)) { //FIXME what should we do? return -ENOMEM; } - dbg(DEBUG_CMD, "scheduling ACCEPT"); + gig_dbg(DEBUG_CMD, "scheduling ACCEPT"); gigaset_schedule_event(cs); break; case ISDN_CMD_ACCEPTB: - dbg(DEBUG_ANY, "ISDN_CMD_ACCEPTB"); + gig_dbg(DEBUG_ANY, "ISDN_CMD_ACCEPTB"); break; case ISDN_CMD_HANGUP: - dbg(DEBUG_ANY, - "ISDN_CMD_HANGUP (channel: %d)", (int) cntrl->arg); + gig_dbg(DEBUG_ANY, "ISDN_CMD_HANGUP (ch: %d)", + (int) cntrl->arg); if (cntrl->arg >= cs->channels) { err("ISDN_CMD_HANGUP: invalid channel (%u)", @@ -207,66 +211,68 @@ static int command_from_LL(isdn_ctrl *cntrl) } if (!gigaset_add_event(cs, &cs->bcs[cntrl->arg].at_state, - EV_HUP, NULL, 0, NULL)) { + EV_HUP, NULL, 0, NULL)) { //FIXME what should we do? return -ENOMEM; } - dbg(DEBUG_CMD, "scheduling HUP"); + gig_dbg(DEBUG_CMD, "scheduling HUP"); gigaset_schedule_event(cs); break; case ISDN_CMD_CLREAZ: /* Do not signal incoming signals */ //FIXME - dbg(DEBUG_ANY, "ISDN_CMD_CLREAZ"); + gig_dbg(DEBUG_ANY, "ISDN_CMD_CLREAZ"); break; case ISDN_CMD_SETEAZ: /* Signal incoming calls for given MSN */ //FIXME - dbg(DEBUG_ANY, - "ISDN_CMD_SETEAZ (id:%d, channel: %ld, number: %s)", - cntrl->driver, cntrl->arg, cntrl->parm.num); + gig_dbg(DEBUG_ANY, + "ISDN_CMD_SETEAZ (id: %d, ch: %ld, number: %s)", + cntrl->driver, cntrl->arg, cntrl->parm.num); break; case ISDN_CMD_SETL2: /* Set L2 to given protocol */ - dbg(DEBUG_ANY, "ISDN_CMD_SETL2 (Channel: %ld, Proto: %lx)", - cntrl->arg & 0xff, (cntrl->arg >> 8)); + gig_dbg(DEBUG_ANY, "ISDN_CMD_SETL2 (ch: %ld, proto: %lx)", + cntrl->arg & 0xff, (cntrl->arg >> 8)); if ((cntrl->arg & 0xff) >= cs->channels) { - err("invalid channel (%u)", + err("ISDN_CMD_SETL2: invalid channel (%u)", (unsigned) cntrl->arg & 0xff); return -EINVAL; } if (!gigaset_add_event(cs, &cs->bcs[cntrl->arg & 0xff].at_state, - EV_PROTO_L2, NULL, cntrl->arg >> 8, - NULL)) { + EV_PROTO_L2, NULL, cntrl->arg >> 8, + NULL)) { //FIXME what should we do? return -ENOMEM; } - dbg(DEBUG_CMD, "scheduling PROTO_L2"); + gig_dbg(DEBUG_CMD, "scheduling PROTO_L2"); gigaset_schedule_event(cs); break; case ISDN_CMD_SETL3: /* Set L3 to given protocol */ - dbg(DEBUG_ANY, "ISDN_CMD_SETL3 (Channel: %ld, Proto: %lx)", - cntrl->arg & 0xff, (cntrl->arg >> 8)); + gig_dbg(DEBUG_ANY, "ISDN_CMD_SETL3 (ch: %ld, proto: %lx)", + cntrl->arg & 0xff, (cntrl->arg >> 8)); if ((cntrl->arg & 0xff) >= cs->channels) { - err("invalid channel (%u)", + err("ISDN_CMD_SETL3: invalid channel (%u)", (unsigned) cntrl->arg & 0xff); return -EINVAL; } if (cntrl->arg >> 8 != ISDN_PROTO_L3_TRANS) { - err("invalid protocol %lu", cntrl->arg >> 8); + err("ISDN_CMD_SETL3: invalid protocol %lu", + cntrl->arg >> 8); return -EINVAL; } break; case ISDN_CMD_PROCEED: - dbg(DEBUG_ANY, "ISDN_CMD_PROCEED"); //FIXME + gig_dbg(DEBUG_ANY, "ISDN_CMD_PROCEED"); //FIXME break; case ISDN_CMD_ALERT: - dbg(DEBUG_ANY, "ISDN_CMD_ALERT"); //FIXME + gig_dbg(DEBUG_ANY, "ISDN_CMD_ALERT"); //FIXME if (cntrl->arg >= cs->channels) { - err("invalid channel (%d)", (int) cntrl->arg); + err("ISDN_CMD_ALERT: invalid channel (%d)", + (int) cntrl->arg); return -EINVAL; } //bcs = cs->bcs + cntrl->arg; @@ -274,32 +280,31 @@ static int command_from_LL(isdn_ctrl *cntrl) // FIXME break; case ISDN_CMD_REDIR: - dbg(DEBUG_ANY, "ISDN_CMD_REDIR"); //FIXME + gig_dbg(DEBUG_ANY, "ISDN_CMD_REDIR"); //FIXME break; case ISDN_CMD_PROT_IO: - dbg(DEBUG_ANY, "ISDN_CMD_PROT_IO"); + gig_dbg(DEBUG_ANY, "ISDN_CMD_PROT_IO"); break; case ISDN_CMD_FAXCMD: - dbg(DEBUG_ANY, "ISDN_CMD_FAXCMD"); + gig_dbg(DEBUG_ANY, "ISDN_CMD_FAXCMD"); break; case ISDN_CMD_GETL2: - dbg(DEBUG_ANY, "ISDN_CMD_GETL2"); + gig_dbg(DEBUG_ANY, "ISDN_CMD_GETL2"); break; case ISDN_CMD_GETL3: - dbg(DEBUG_ANY, "ISDN_CMD_GETL3"); + gig_dbg(DEBUG_ANY, "ISDN_CMD_GETL3"); break; case ISDN_CMD_GETEAZ: - dbg(DEBUG_ANY, "ISDN_CMD_GETEAZ"); + gig_dbg(DEBUG_ANY, "ISDN_CMD_GETEAZ"); break; case ISDN_CMD_SETSIL: - dbg(DEBUG_ANY, "ISDN_CMD_SETSIL"); + gig_dbg(DEBUG_ANY, "ISDN_CMD_SETSIL"); break; case ISDN_CMD_GETSIL: - dbg(DEBUG_ANY, "ISDN_CMD_GETSIL"); + gig_dbg(DEBUG_ANY, "ISDN_CMD_GETSIL"); break; default: - err("unknown command %d from LL", - cntrl->command); + err("unknown command %d from LL", cntrl->command); return -EINVAL; } @@ -344,7 +349,8 @@ int gigaset_isdn_setup_dial(struct at_state_t *at_state, void *data) proto = 2; /* 0: Bitsynchron, 1: HDLC, 2: voice */ break; default: - err("invalid protocol: %u", bcs->proto2); + dev_err(bcs->cs->dev, "%s: invalid L2 protocol: %u\n", + __func__, bcs->proto2); return -EINVAL; } @@ -372,7 +378,7 @@ int gigaset_isdn_setup_dial(struct at_state_t *at_state, void *data) bcs->commands[i] = NULL; if (length[i] && !(bcs->commands[i] = kmalloc(length[i], GFP_ATOMIC))) { - err("out of memory"); + dev_err(bcs->cs->dev, "out of memory\n"); return -ENOMEM; } } @@ -417,7 +423,8 @@ int gigaset_isdn_setup_accept(struct at_state_t *at_state) proto = 2; /* 0: Bitsynchron, 1: HDLC, 2: voice */ break; default: - err("invalid protocol: %u", bcs->proto2); + dev_err(at_state->cs->dev, "%s: invalid protocol: %u\n", + __func__, bcs->proto2); return -EINVAL; } @@ -434,7 +441,7 @@ int gigaset_isdn_setup_accept(struct at_state_t *at_state) bcs->commands[i] = NULL; if (length[i] && !(bcs->commands[i] = kmalloc(length[i], GFP_ATOMIC))) { - err("out of memory"); + dev_err(at_state->cs->dev, "out of memory\n"); return -ENOMEM; } } @@ -473,7 +480,7 @@ int gigaset_isdn_icall(struct at_state_t *at_state) response.parm.setup.si1 = 1; response.parm.setup.si2 = 2; } else { - warn("RING ignored - unsupported BC %s", + dev_warn(cs->dev, "RING ignored - unsupported BC %s\n", at_state->str_var[STR_ZBC]); return ICALL_IGNORE; } @@ -491,18 +498,17 @@ int gigaset_isdn_icall(struct at_state_t *at_state) response.parm.setup.eazmsn[0] = 0; if (!bcs) { - notice("no channel for incoming call"); - dbg(DEBUG_CMD, "Sending ICALLW"); + dev_notice(cs->dev, "no channel for incoming call\n"); response.command = ISDN_STAT_ICALLW; response.arg = 0; //FIXME } else { - dbg(DEBUG_CMD, "Sending ICALL"); + gig_dbg(DEBUG_CMD, "Sending ICALL"); response.command = ISDN_STAT_ICALL; response.arg = bcs->channel; //FIXME } response.driver = cs->myid; retval = cs->iif.statcallb(&response); - dbg(DEBUG_CMD, "Response: %d", retval); + gig_dbg(DEBUG_CMD, "Response: %d", retval); switch (retval) { case 0: /* no takers */ return ICALL_IGNORE; @@ -512,7 +518,8 @@ int gigaset_isdn_icall(struct at_state_t *at_state) case 2: /* reject */ return ICALL_REJECT; case 3: /* incomplete */ - warn("LL requested unsupported feature: Incomplete Number"); + dev_warn(cs->dev, + "LL requested unsupported feature: Incomplete Number\n"); return ICALL_IGNORE; case 4: /* proceeding */ /* Gigaset will send ALERTING anyway. @@ -520,10 +527,11 @@ int gigaset_isdn_icall(struct at_state_t *at_state) */ return ICALL_ACCEPT; case 5: /* deflect */ - warn("LL requested unsupported feature: Call Deflection"); + dev_warn(cs->dev, + "LL requested unsupported feature: Call Deflection\n"); return ICALL_IGNORE; default: - err("LL error %d on ICALL", retval); + dev_err(cs->dev, "LL error %d on ICALL\n", retval); return ICALL_IGNORE; } } @@ -533,7 +541,7 @@ int gigaset_register_to_LL(struct cardstate *cs, const char *isdnid) { isdn_if *iif = &cs->iif; - dbg(DEBUG_ANY, "Register driver capabilities to LL"); + gig_dbg(DEBUG_ANY, "Register driver capabilities to LL"); //iif->id[sizeof(iif->id) - 1]=0; //strncpy(iif->id, isdnid, sizeof(iif->id) - 1); @@ -551,17 +559,17 @@ int gigaset_register_to_LL(struct cardstate *cs, const char *isdnid) #endif ISDN_FEATURE_L3_TRANS | ISDN_FEATURE_P_EURO; - iif->hl_hdrlen = HW_HDR_LEN; /* Area for storing ack */ + iif->hl_hdrlen = HW_HDR_LEN; /* Area for storing ack */ iif->command = command_from_LL; iif->writebuf_skb = writebuf_from_LL; - iif->writecmd = NULL; /* Don't support isdnctrl */ - iif->readstat = NULL; /* Don't support isdnctrl */ - iif->rcvcallb_skb = NULL; /* Will be set by LL */ - iif->statcallb = NULL; /* Will be set by LL */ + iif->writecmd = NULL; /* Don't support isdnctrl */ + iif->readstat = NULL; /* Don't support isdnctrl */ + iif->rcvcallb_skb = NULL; /* Will be set by LL */ + iif->statcallb = NULL; /* Will be set by LL */ if (!register_isdn(iif)) return 0; - cs->myid = iif->channels; /* Set my device id */ + cs->myid = iif->channels; /* Set my device id */ return 1; } -- cgit v1.2.3 From 70440cf24ce6841fc5a01c38e2a732cf0bc2792a Mon Sep 17 00:00:00 2001 From: Tilman Schmidt Date: Mon, 10 Apr 2006 22:55:14 -0700 Subject: [PATCH] isdn4linux: Siemens Gigaset drivers: remove forward references With Hansjoerg Lipp Remove four unnecessary forward function declarations and an obsolete E-mail address from the Siemens Gigaset drivers. Signed-off-by: Hansjoerg Lipp Signed-off-by: Tilman Schmidt Cc: Karsten Keil Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/isdn/gigaset/i4l.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/isdn/gigaset/i4l.c') diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c index cc1d3093e43..7059b84b96a 100644 --- a/drivers/isdn/gigaset/i4l.c +++ b/drivers/isdn/gigaset/i4l.c @@ -1,9 +1,9 @@ /* * Stuff used by all variants of the driver * - * Copyright (c) 2001 by Stefan Eilers (Eilers.Stefan@epost.de), - * Hansjoerg Lipp (hjlipp@web.de), - * Tilman Schmidt (tilman@imap.cc). + * Copyright (c) 2001 by Stefan Eilers, + * Hansjoerg Lipp , + * Tilman Schmidt . * * ===================================================================== * This program is free software; you can redistribute it and/or -- cgit v1.2.3 From 69049cc87dccb1e6fb54aa25c63033efac805dbd Mon Sep 17 00:00:00 2001 From: Tilman Schmidt Date: Mon, 10 Apr 2006 22:55:16 -0700 Subject: [PATCH] isdn4linux: Siemens Gigaset drivers: make some variables non-atomic With Hansjoerg Lipp Replace some atomic_t variables in the Gigaset drivers by non-atomic ones, using spinlocks instead to assure atomicity, as proposed in discussions on the linux-kernel mailing list. Signed-off-by: Hansjoerg Lipp Signed-off-by: Tilman Schmidt Cc: Karsten Keil Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/isdn/gigaset/i4l.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) (limited to 'drivers/isdn/gigaset/i4l.c') diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c index 7059b84b96a..0815dbfb829 100644 --- a/drivers/isdn/gigaset/i4l.c +++ b/drivers/isdn/gigaset/i4l.c @@ -56,11 +56,6 @@ static int writebuf_from_LL(int driverID, int channel, int ack, "Receiving data from LL (id: %d, ch: %d, ack: %d, sz: %d)", driverID, channel, ack, len); - if (!atomic_read(&cs->connected)) { - err("%s: disconnected", __func__); - return -ENODEV; - } - if (!len) { if (ack) notice("%s: not ACKing empty packet", __func__); @@ -78,7 +73,7 @@ static int writebuf_from_LL(int driverID, int channel, int ack, len, skblen, (unsigned) skb->head[0], (unsigned) skb->head[1]); /* pass to device-specific module */ - return cs->ops->send_skb(bcs, skb); + return cs->ops->send_skb(bcs, skb); //FIXME cs->ops->send_skb() must handle !cs->connected correctly } void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb) @@ -119,11 +114,12 @@ static int command_from_LL(isdn_ctrl *cntrl) struct bc_state *bcs; int retval = 0; struct setup_parm *sp; + unsigned param; + unsigned long flags; gigaset_debugdrivers(); - //FIXME "remove test for &connected" - if ((!cs || !atomic_read(&cs->connected))) { + if (!cs) { warn("LL tried to access unknown device with nr. %d", cntrl->driver); return -ENODEV; @@ -166,8 +162,11 @@ static int command_from_LL(isdn_ctrl *cntrl) } *sp = cntrl->parm.setup; - if (!gigaset_add_event(cs, &bcs->at_state, EV_DIAL, sp, - atomic_read(&bcs->at_state.seq_index), + spin_lock_irqsave(&cs->lock, flags); + param = bcs->at_state.seq_index; + spin_unlock_irqrestore(&cs->lock, flags); + + if (!gigaset_add_event(cs, &bcs->at_state, EV_DIAL, sp, param, NULL)) { //FIXME what should we do? kfree(sp); -- cgit v1.2.3 From 73a88814542d3f5b8973f3db9d7f380bd29957c4 Mon Sep 17 00:00:00 2001 From: Tilman Schmidt Date: Sat, 22 Apr 2006 02:35:30 -0700 Subject: [PATCH] isdn4linux: Siemens Gigaset base driver: fix disconnect handling Fix a possible Oops in the Siemens Gigaset base driver when the device is unplugged while an ISDN connection is still active, and makes sure that the isdn4linux link level (LL) is properly informed if a connection is broken by the USB cable being unplugged. - Avoid unsafe checks of URB status fields outside the URB completion handlers, keep track of in-use URBs myself instead. - If an isochronous transfer URB completes with status==0, also check the status of the frame descriptors. - Verify length of interrupt messages received from the device. - Align the length limit on transmitted AT commands with the device documentation. - In case of AT response receive overrun, keep newly arrived instead of old unread data. - Remove redundant check of device ID in the USB probe function. - Correct and improve some comments and formatting. Signed-off-by: Tilman Schmidt Acked-by: Hansjoerg Lipp Cc: Karsten Keil Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/isdn/gigaset/i4l.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/isdn/gigaset/i4l.c') diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c index 0815dbfb829..1654fa41357 100644 --- a/drivers/isdn/gigaset/i4l.c +++ b/drivers/isdn/gigaset/i4l.c @@ -73,7 +73,7 @@ static int writebuf_from_LL(int driverID, int channel, int ack, len, skblen, (unsigned) skb->head[0], (unsigned) skb->head[1]); /* pass to device-specific module */ - return cs->ops->send_skb(bcs, skb); //FIXME cs->ops->send_skb() must handle !cs->connected correctly + return cs->ops->send_skb(bcs, skb); } void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb) -- cgit v1.2.3