gigaset: allow building without I4L
Add a dummy LL interface to the Gigaset driver so that it can be built and, in a limited way, used without the ISDN4Linux subsystem. Impact: new configuration alternative Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1,6 +1,5 @@
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menuconfig ISDN_DRV_GIGASET
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tristate "Siemens Gigaset support"
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depends on ISDN_I4L
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select CRC_CCITT
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select BITREVERSE
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help
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@ -11,9 +10,21 @@ menuconfig ISDN_DRV_GIGASET
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If you have one of these devices, say M here and for at least
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one of the connection specific parts that follow.
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This will build a module called "gigaset".
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Note: If you build the ISDN4Linux subsystem (ISDN_I4L)
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as a module, you have to build this driver as a module too,
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otherwise the Gigaset device won't show up as an ISDN device.
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if ISDN_DRV_GIGASET
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config GIGASET_I4L
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bool
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depends on ISDN_I4L='y'||(ISDN_I4L='m'&&ISDN_DRV_GIGASET='m')
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default y
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config GIGASET_DUMMYLL
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bool
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default !GIGASET_I4L
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config GIGASET_BASE
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tristate "Gigaset base station support"
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depends on USB
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@ -1,4 +1,6 @@
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gigaset-y := common.o interface.o proc.o ev-layer.o i4l.o asyncdata.o
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gigaset-y := common.o interface.o proc.o ev-layer.o asyncdata.o
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gigaset-$(CONFIG_GIGASET_I4L) += i4l.o
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gigaset-$(CONFIG_GIGASET_DUMMYLL) += dummyll.o
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usb_gigaset-y := usb-gigaset.o
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ser_gigaset-y := ser-gigaset.o
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bas_gigaset-y := bas-gigaset.o isocdata.o
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68
drivers/isdn/gigaset/dummyll.c
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68
drivers/isdn/gigaset/dummyll.c
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@ -0,0 +1,68 @@
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/*
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* Dummy LL interface for the Gigaset driver
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*
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* Copyright (c) 2009 by Tilman Schmidt <tilman@imap.cc>.
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*
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* =====================================================================
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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* =====================================================================
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*/
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#include "gigaset.h"
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void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb)
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{
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}
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EXPORT_SYMBOL_GPL(gigaset_skb_sent);
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void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb)
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{
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}
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EXPORT_SYMBOL_GPL(gigaset_skb_rcvd);
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void gigaset_isdn_rcv_err(struct bc_state *bcs)
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{
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}
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EXPORT_SYMBOL_GPL(gigaset_isdn_rcv_err);
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int gigaset_isdn_icall(struct at_state_t *at_state)
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{
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return ICALL_IGNORE;
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}
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void gigaset_isdn_connD(struct bc_state *bcs)
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{
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}
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void gigaset_isdn_hupD(struct bc_state *bcs)
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{
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}
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void gigaset_isdn_connB(struct bc_state *bcs)
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{
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}
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void gigaset_isdn_hupB(struct bc_state *bcs)
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{
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}
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void gigaset_isdn_start(struct cardstate *cs)
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{
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}
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void gigaset_isdn_stop(struct cardstate *cs)
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{
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}
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int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
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{
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pr_info("no ISDN subsystem interface\n");
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return 1;
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}
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void gigaset_isdn_unregister(struct cardstate *cs)
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{
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}
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