+++ /dev/null
-/*
- * Stuff used by all variants of the driver
- *
- * Copyright (c) 2001 by Stefan Eilers,
- * Hansjoerg Lipp <hjlipp@web.de>,
- * Tilman Schmidt <tilman@imap.cc>.
- *
- * =====================================================================
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- * =====================================================================
- */
-
-#include "gigaset.h"
-#include <linux/isdnif.h>
-#include <linux/export.h>
-
-#define SBUFSIZE 4096 /* sk_buff payload size */
-#define TRANSBUFSIZE 768 /* bytes per skb for transparent receive */
-#define HW_HDR_LEN 2 /* Header size used to store ack info */
-#define MAX_BUF_SIZE (SBUFSIZE - HW_HDR_LEN) /* max data packet from LL */
-
-/* == Handling of I4L IO =====================================================*/
-
-/* writebuf_from_LL
- * called by LL to transmit data on an open channel
- * inserts the buffer data into the send queue and starts the transmission
- * Note that this operation must not sleep!
- * When the buffer is processed completely, gigaset_skb_sent() should be called.
- * 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)
- * skb skb containing data to send
- * return value:
- * number of accepted bytes
- * 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)
-{
- struct cardstate *cs = gigaset_get_cs_by_id(driverID);
- struct bc_state *bcs;
- unsigned char *ack_header;
- unsigned len;
-
- if (!cs) {
- pr_err("%s: invalid driver ID (%d)\n", __func__, driverID);
- return -ENODEV;
- }
- if (channel < 0 || channel >= cs->channels) {
- dev_err(cs->dev, "%s: invalid channel ID (%d)\n",
- __func__, channel);
- return -ENODEV;
- }
- bcs = &cs->bcs[channel];
-
- /* can only handle linear sk_buffs */
- if (skb_linearize(skb) < 0) {
- dev_err(cs->dev, "%s: skb_linearize failed\n", __func__);
- return -ENOMEM;
- }
- len = skb->len;
-
- gig_dbg(DEBUG_LLDATA,
- "Receiving data from LL (id: %d, ch: %d, ack: %d, sz: %d)",
- driverID, channel, ack, len);
-
- if (!len) {
- if (ack)
- dev_notice(cs->dev, "%s: not ACKing empty packet\n",
- __func__);
- return 0;
- }
- if (len > MAX_BUF_SIZE) {
- dev_err(cs->dev, "%s: packet too large (%d bytes)\n",
- __func__, len);
- return -EINVAL;
- }
-
- /* set up acknowledgement header */
- if (skb_headroom(skb) < HW_HDR_LEN) {
- /* should never happen */
- dev_err(cs->dev, "%s: insufficient skb headroom\n", __func__);
- return -ENOMEM;
- }
- skb_set_mac_header(skb, -HW_HDR_LEN);
- skb->mac_len = HW_HDR_LEN;
- ack_header = skb_mac_header(skb);
- if (ack) {
- ack_header[0] = len & 0xff;
- ack_header[1] = len >> 8;
- } else {
- ack_header[0] = ack_header[1] = 0;
- }
- gig_dbg(DEBUG_MCMD, "skb: len=%u, ack=%d: %02x %02x",
- len, ack, ack_header[0], ack_header[1]);
-
- /* pass to device-specific module */
- return cs->ops->send_skb(bcs, skb);
-}
-
-/**
- * gigaset_skb_sent() - acknowledge sending an skb
- * @bcs: B channel descriptor structure.
- * @skb: sent data.
- *
- * Called by hardware module {bas,ser,usb}_gigaset when the data in a
- * skb has been successfully sent, for signalling completion to the LL.
- */
-void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb)
-{
- isdn_if *iif = bcs->cs->iif;
- unsigned char *ack_header = skb_mac_header(skb);
- unsigned len;
- isdn_ctrl response;
-
- ++bcs->trans_up;
-
- if (skb->len)
- dev_warn(bcs->cs->dev, "%s: skb->len==%d\n",
- __func__, skb->len);
-
- len = ack_header[0] + ((unsigned) ack_header[1] << 8);
- if (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;
- response.arg = bcs->channel;
- response.parm.length = len;
- iif->statcallb(&response);
- }
-}
-EXPORT_SYMBOL_GPL(gigaset_skb_sent);
-
-/**
- * gigaset_skb_rcvd() - pass received skb to LL
- * @bcs: B channel descriptor structure.
- * @skb: received data.
- *
- * Called by hardware module {bas,ser,usb}_gigaset when user data has
- * been successfully received, for passing to the LL.
- * Warning: skb must not be accessed anymore!
- */
-void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb)
-{
- isdn_if *iif = bcs->cs->iif;
-
- iif->rcvcallb_skb(bcs->cs->myid, bcs->channel, skb);
- bcs->trans_down++;
-}
-EXPORT_SYMBOL_GPL(gigaset_skb_rcvd);
-
-/**
- * gigaset_isdn_rcv_err() - signal receive error
- * @bcs: B channel descriptor structure.
- *
- * Called by hardware module {bas,ser,usb}_gigaset when a receive error
- * has occurred, for signalling to the LL.
- */
-void gigaset_isdn_rcv_err(struct bc_state *bcs)
-{
- isdn_if *iif = bcs->cs->iif;
- isdn_ctrl response;
-
- /* if currently ignoring packets, just count down */
- if (bcs->ignore) {
- bcs->ignore--;
- return;
- }
-
- /* update statistics */
- bcs->corrupted++;
-
- /* error -> LL */
- gig_dbg(DEBUG_CMD, "sending L1ERR");
- response.driver = bcs->cs->myid;
- response.command = ISDN_STAT_L1ERR;
- response.arg = bcs->channel;
- response.parm.errcode = ISDN_STAT_L1ERR_RECV;
- iif->statcallb(&response);
-}
-EXPORT_SYMBOL_GPL(gigaset_isdn_rcv_err);
-
-/* This function will be called by LL to send commands
- * NOTE: LL ignores the returned value, for commands other than ISDN_CMD_IOCTL,
- * so don't put too much effort into it.
- */
-static int command_from_LL(isdn_ctrl *cntrl)
-{
- struct cardstate *cs;
- struct bc_state *bcs;
- int retval = 0;
- char **commands;
- int ch;
- int i;
- size_t l;
-
- gig_dbg(DEBUG_CMD, "driver: %d, command: %d, arg: 0x%lx",
- cntrl->driver, cntrl->command, cntrl->arg);
-
- cs = gigaset_get_cs_by_id(cntrl->driver);
- if (cs == NULL) {
- pr_err("%s: invalid driver ID (%d)\n", __func__, cntrl->driver);
- return -ENODEV;
- }
- ch = cntrl->arg & 0xff;
-
- switch (cntrl->command) {
- case ISDN_CMD_IOCTL:
- dev_warn(cs->dev, "ISDN_CMD_IOCTL not supported\n");
- return -EINVAL;
-
- case ISDN_CMD_DIAL:
- 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);
-
- if (ch >= cs->channels) {
- dev_err(cs->dev,
- "ISDN_CMD_DIAL: invalid channel (%d)\n", ch);
- return -EINVAL;
- }
- bcs = cs->bcs + ch;
- if (gigaset_get_channel(bcs) < 0) {
- dev_err(cs->dev, "ISDN_CMD_DIAL: channel not free\n");
- return -EBUSY;
- }
- switch (bcs->proto2) {
- case L2_HDLC:
- bcs->rx_bufsize = SBUFSIZE;
- break;
- default: /* assume transparent */
- bcs->rx_bufsize = TRANSBUFSIZE;
- }
- dev_kfree_skb(bcs->rx_skb);
- gigaset_new_rx_skb(bcs);
-
- commands = kcalloc(AT_NUM, sizeof(*commands), GFP_ATOMIC);
- if (!commands) {
- gigaset_free_channel(bcs);
- dev_err(cs->dev, "ISDN_CMD_DIAL: out of memory\n");
- return -ENOMEM;
- }
-
- l = 3 + strlen(cntrl->parm.setup.phone);
- commands[AT_DIAL] = kmalloc(l, GFP_ATOMIC);
- if (!commands[AT_DIAL])
- goto oom;
- if (cntrl->parm.setup.phone[0] == '*' &&
- cntrl->parm.setup.phone[1] == '*') {
- /* internal call: translate ** prefix to CTP value */
- commands[AT_TYPE] = kstrdup("^SCTP=0\r", GFP_ATOMIC);
- if (!commands[AT_TYPE])
- goto oom;
- snprintf(commands[AT_DIAL], l,
- "D%s\r", cntrl->parm.setup.phone + 2);
- } else {
- commands[AT_TYPE] = kstrdup("^SCTP=1\r", GFP_ATOMIC);
- if (!commands[AT_TYPE])
- goto oom;
- snprintf(commands[AT_DIAL], l,
- "D%s\r", cntrl->parm.setup.phone);
- }
-
- l = strlen(cntrl->parm.setup.eazmsn);
- if (l) {
- l += 8;
- commands[AT_MSN] = kmalloc(l, GFP_ATOMIC);
- if (!commands[AT_MSN])
- goto oom;
- snprintf(commands[AT_MSN], l, "^SMSN=%s\r",
- cntrl->parm.setup.eazmsn);
- }
-
- switch (cntrl->parm.setup.si1) {
- case 1: /* audio */
- /* BC = 9090A3: 3.1 kHz audio, A-law */
- commands[AT_BC] = kstrdup("^SBC=9090A3\r", GFP_ATOMIC);
- if (!commands[AT_BC])
- goto oom;
- break;
- case 7: /* data */
- default: /* hope the app knows what it is doing */
- /* BC = 8890: unrestricted digital information */
- commands[AT_BC] = kstrdup("^SBC=8890\r", GFP_ATOMIC);
- if (!commands[AT_BC])
- goto oom;
- }
- /* ToDo: other si1 values, inspect si2, set HLC/LLC */
-
- commands[AT_PROTO] = kmalloc(9, GFP_ATOMIC);
- if (!commands[AT_PROTO])
- goto oom;
- snprintf(commands[AT_PROTO], 9, "^SBPR=%u\r", bcs->proto2);
-
- commands[AT_ISO] = kmalloc(9, GFP_ATOMIC);
- if (!commands[AT_ISO])
- goto oom;
- snprintf(commands[AT_ISO], 9, "^SISO=%u\r",
- (unsigned) bcs->channel + 1);
-
- if (!gigaset_add_event(cs, &bcs->at_state, EV_DIAL, commands,
- bcs->at_state.seq_index, NULL)) {
- for (i = 0; i < AT_NUM; ++i)
- kfree(commands[i]);
- kfree(commands);
- gigaset_free_channel(bcs);
- return -ENOMEM;
- }
- 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);
- return -EINVAL;
- }
- bcs = cs->bcs + ch;
- switch (bcs->proto2) {
- case L2_HDLC:
- bcs->rx_bufsize = SBUFSIZE;
- break;
- default: /* assume transparent */
- bcs->rx_bufsize = TRANSBUFSIZE;
- }
- dev_kfree_skb(bcs->rx_skb);
- gigaset_new_rx_skb(bcs);
- if (!gigaset_add_event(cs, &bcs->at_state,
- EV_ACCEPT, NULL, 0, NULL))
- return -ENOMEM;
- gigaset_schedule_event(cs);
-
- 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);
- return -EINVAL;
- }
- bcs = cs->bcs + ch;
- if (!gigaset_add_event(cs, &bcs->at_state,
- EV_HUP, NULL, 0, NULL))
- return -ENOMEM;
- gigaset_schedule_event(cs);
-
- break;
- case ISDN_CMD_CLREAZ: /* Do not signal incoming signals */
- dev_info(cs->dev, "ignoring ISDN_CMD_CLREAZ\n");
- break;
- case ISDN_CMD_SETEAZ: /* Signal incoming calls for given MSN */
- dev_info(cs->dev, "ignoring ISDN_CMD_SETEAZ (%s)\n",
- cntrl->parm.num);
- break;
- case ISDN_CMD_SETL2: /* Set L2 to given protocol */
- if (ch >= cs->channels) {
- dev_err(cs->dev,
- "ISDN_CMD_SETL2: invalid channel (%d)\n", ch);
- return -EINVAL;
- }
- bcs = cs->bcs + ch;
- if (bcs->chstate & CHS_D_UP) {
- dev_err(cs->dev,
- "ISDN_CMD_SETL2: channel active (%d)\n", ch);
- return -EINVAL;
- }
- switch (cntrl->arg >> 8) {
- case ISDN_PROTO_L2_HDLC:
- gig_dbg(DEBUG_CMD, "ISDN_CMD_SETL2: setting L2_HDLC");
- bcs->proto2 = L2_HDLC;
- break;
- case ISDN_PROTO_L2_TRANS:
- gig_dbg(DEBUG_CMD, "ISDN_CMD_SETL2: setting L2_VOICE");
- bcs->proto2 = L2_VOICE;
- break;
- default:
- dev_err(cs->dev,
- "ISDN_CMD_SETL2: unsupported protocol (%lu)\n",
- cntrl->arg >> 8);
- return -EINVAL;
- }
- 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);
- return -EINVAL;
- }
-
- if (cntrl->arg >> 8 != ISDN_PROTO_L3_TRANS) {
- dev_err(cs->dev,
- "ISDN_CMD_SETL3: unsupported protocol (%lu)\n",
- cntrl->arg >> 8);
- return -EINVAL;
- }
-
- break;
-
- default:
- gig_dbg(DEBUG_CMD, "unknown command %d from LL",
- cntrl->command);
- return -EINVAL;
- }
-
- return retval;
-
-oom:
- dev_err(bcs->cs->dev, "out of memory\n");
- for (i = 0; i < AT_NUM; ++i)
- kfree(commands[i]);
- kfree(commands);
- gigaset_free_channel(bcs);
- return -ENOMEM;
-}
-
-static void gigaset_i4l_cmd(struct cardstate *cs, int cmd)
-{
- isdn_if *iif = cs->iif;
- isdn_ctrl command;
-
- command.driver = cs->myid;
- command.command = cmd;
- command.arg = 0;
- iif->statcallb(&command);
-}
-
-static void gigaset_i4l_channel_cmd(struct bc_state *bcs, int cmd)
-{
- isdn_if *iif = bcs->cs->iif;
- isdn_ctrl command;
-
- command.driver = bcs->cs->myid;
- command.command = cmd;
- command.arg = bcs->channel;
- iif->statcallb(&command);
-}
-
-/**
- * gigaset_isdn_icall() - signal incoming call
- * @at_state: connection state structure.
- *
- * Called by main module to notify the LL that an incoming call has been
- * received. @at_state contains the parameters of the call.
- *
- * Return value: call disposition (ICALL_*)
- */
-int gigaset_isdn_icall(struct at_state_t *at_state)
-{
- struct cardstate *cs = at_state->cs;
- struct bc_state *bcs = at_state->bcs;
- isdn_if *iif = cs->iif;
- isdn_ctrl response;
- int retval;
-
- /* fill ICALL structure */
- response.parm.setup.si1 = 0; /* default: unknown */
- response.parm.setup.si2 = 0;
- response.parm.setup.screen = 0;
- response.parm.setup.plan = 0;
- if (!at_state->str_var[STR_ZBC]) {
- /* no BC (internal call): assume speech, A-law */
- response.parm.setup.si1 = 1;
- } else if (!strcmp(at_state->str_var[STR_ZBC], "8890")) {
- /* unrestricted digital information */
- response.parm.setup.si1 = 7;
- } else if (!strcmp(at_state->str_var[STR_ZBC], "8090A3")) {
- /* speech, A-law */
- response.parm.setup.si1 = 1;
- } else if (!strcmp(at_state->str_var[STR_ZBC], "9090A3")) {
- /* 3,1 kHz audio, A-law */
- response.parm.setup.si1 = 1;
- response.parm.setup.si2 = 2;
- } else {
- dev_warn(cs->dev, "RING ignored - unsupported BC %s\n",
- at_state->str_var[STR_ZBC]);
- return ICALL_IGNORE;
- }
- if (at_state->str_var[STR_NMBR]) {
- strlcpy(response.parm.setup.phone, at_state->str_var[STR_NMBR],
- sizeof response.parm.setup.phone);
- } else
- response.parm.setup.phone[0] = 0;
- if (at_state->str_var[STR_ZCPN]) {
- strlcpy(response.parm.setup.eazmsn, at_state->str_var[STR_ZCPN],
- sizeof response.parm.setup.eazmsn);
- } else
- response.parm.setup.eazmsn[0] = 0;
-
- if (!bcs) {
- dev_notice(cs->dev, "no channel for incoming call\n");
- response.command = ISDN_STAT_ICALLW;
- response.arg = 0;
- } else {
- gig_dbg(DEBUG_CMD, "Sending ICALL");
- response.command = ISDN_STAT_ICALL;
- response.arg = bcs->channel;
- }
- response.driver = cs->myid;
- retval = iif->statcallb(&response);
- gig_dbg(DEBUG_CMD, "Response: %d", retval);
- switch (retval) {
- case 0: /* no takers */
- return ICALL_IGNORE;
- case 1: /* alerting */
- bcs->chstate |= CHS_NOTIFY_LL;
- return ICALL_ACCEPT;
- case 2: /* reject */
- return ICALL_REJECT;
- case 3: /* incomplete */
- dev_warn(cs->dev,
- "LL requested unsupported feature: Incomplete Number\n");
- return ICALL_IGNORE;
- case 4: /* proceeding */
- /* Gigaset will send ALERTING anyway.
- * There doesn't seem to be a way to avoid this.
- */
- return ICALL_ACCEPT;
- case 5: /* deflect */
- dev_warn(cs->dev,
- "LL requested unsupported feature: Call Deflection\n");
- return ICALL_IGNORE;
- default:
- dev_err(cs->dev, "LL error %d on ICALL\n", retval);
- return ICALL_IGNORE;
- }
-}
-
-/**
- * gigaset_isdn_connD() - signal D channel connect
- * @bcs: B channel descriptor structure.
- *
- * Called by main module to notify the LL that the D channel connection has
- * been established.
- */
-void gigaset_isdn_connD(struct bc_state *bcs)
-{
- gig_dbg(DEBUG_CMD, "sending DCONN");
- gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN);
-}
-
-/**
- * gigaset_isdn_hupD() - signal D channel hangup
- * @bcs: B channel descriptor structure.
- *
- * Called by main module to notify the LL that the D channel connection has
- * been shut down.
- */
-void gigaset_isdn_hupD(struct bc_state *bcs)
-{
- gig_dbg(DEBUG_CMD, "sending DHUP");
- gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DHUP);
-}
-
-/**
- * gigaset_isdn_connB() - signal B channel connect
- * @bcs: B channel descriptor structure.
- *
- * Called by main module to notify the LL that the B channel connection has
- * been established.
- */
-void gigaset_isdn_connB(struct bc_state *bcs)
-{
- gig_dbg(DEBUG_CMD, "sending BCONN");
- gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BCONN);
-}
-
-/**
- * gigaset_isdn_hupB() - signal B channel hangup
- * @bcs: B channel descriptor structure.
- *
- * Called by main module to notify the LL that the B channel connection has
- * been shut down.
- */
-void gigaset_isdn_hupB(struct bc_state *bcs)
-{
- gig_dbg(DEBUG_CMD, "sending BHUP");
- gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BHUP);
-}
-
-/**
- * gigaset_isdn_start() - signal device availability
- * @cs: device descriptor structure.
- *
- * Called by main module to notify the LL that the device is available for
- * use.
- */
-void gigaset_isdn_start(struct cardstate *cs)
-{
- gig_dbg(DEBUG_CMD, "sending RUN");
- gigaset_i4l_cmd(cs, ISDN_STAT_RUN);
-}
-
-/**
- * gigaset_isdn_stop() - signal device unavailability
- * @cs: device descriptor structure.
- *
- * Called by main module to notify the LL that the device is no longer
- * available for use.
- */
-void gigaset_isdn_stop(struct cardstate *cs)
-{
- gig_dbg(DEBUG_CMD, "sending STOP");
- gigaset_i4l_cmd(cs, ISDN_STAT_STOP);
-}
-
-/**
- * gigaset_isdn_regdev() - register to LL
- * @cs: device descriptor structure.
- * @isdnid: device name.
- *
- * Return value: 0 on success, error code < 0 on failure
- */
-int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
-{
- isdn_if *iif;
-
- iif = kmalloc(sizeof *iif, GFP_KERNEL);
- if (!iif) {
- pr_err("out of memory\n");
- return -ENOMEM;
- }
-
- if (snprintf(iif->id, sizeof iif->id, "%s_%u", isdnid, cs->minor_index)
- >= sizeof iif->id) {
- pr_err("ID too long: %s\n", isdnid);
- kfree(iif);
- return -EINVAL;
- }
-
- iif->owner = THIS_MODULE;
- iif->channels = cs->channels;
- iif->maxbufsize = MAX_BUF_SIZE;
- iif->features = ISDN_FEATURE_L2_TRANS |
- ISDN_FEATURE_L2_HDLC |
- ISDN_FEATURE_L2_X75I |
- ISDN_FEATURE_L3_TRANS |
- ISDN_FEATURE_P_EURO;
- 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 */
-
- if (!register_isdn(iif)) {
- pr_err("register_isdn failed\n");
- kfree(iif);
- return -EINVAL;
- }
-
- cs->iif = iif;
- cs->myid = iif->channels; /* Set my device id */
- cs->hw_hdr_len = HW_HDR_LEN;
- return 0;
-}
-
-/**
- * gigaset_isdn_unregdev() - unregister device from LL
- * @cs: device descriptor structure.
- */
-void gigaset_isdn_unregdev(struct cardstate *cs)
-{
- gig_dbg(DEBUG_CMD, "sending UNLOAD");
- gigaset_i4l_cmd(cs, ISDN_STAT_UNLOAD);
- kfree(cs->iif);
- cs->iif = NULL;
-}
-
-/**
- * gigaset_isdn_regdrv() - register driver to LL
- */
-void gigaset_isdn_regdrv(void)
-{
- pr_info("ISDN4Linux interface\n");
- /* nothing to do */
-}
-
-/**
- * gigaset_isdn_unregdrv() - unregister driver from LL
- */
-void gigaset_isdn_unregdrv(void)
-{
- /* nothing to do */
-}
projects / platform / kernel / linux-rpi.git / commitdiff