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Commit 63b203b4 authored by Tilman Schmidt's avatar Tilman Schmidt Committed by David S. Miller
Browse files

isdn/gigaset: beautify ev-layer.c 



Cosmetic changes to drivers/isdn/gigaset/ev-layer.c and
drivers/isdn/gigaset/gigaset.h to improve readability.

Signed-off-by: default avatarTilman Schmidt <tilman@imap.cc>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bc882b18

drivers/isdn/gigaset/ev-layer.c

+58 −61
Original line number Diff line number Diff line
@@ -351,10 +351,11 @@ struct reply_t gigaset_tab_cid[] = 




static const struct resp_type_t {

	unsigned char	*response;

	char	*response;

	int	resp_code;

	int	type;

} resp_type[] =

}

resp_type[] =

{

	{"OK",		RSP_OK,		RT_NOTHING},

	{"ERROR",	RSP_ERROR,	RT_NOTHING},
@@ -374,11 +375,12 @@ static const struct resp_type_t { 
};



static const struct zsau_resp_t {

	unsigned char	*str;

	char	*str;

	int	code;

} zsau_resp[] =

}

zsau_resp[] =

{

	{"OUTGOING_CALL_PROCEEDING",	ZSAU_OUTGOING_CALL_PROCEEDING},

	{"OUTGOING_CALL_PROCEEDING",	ZSAU_PROCEEDING},

	{"CALL_DELIVERED",		ZSAU_CALL_DELIVERED},

	{"ACTIVE",			ZSAU_ACTIVE},

	{"DISCONNECT_IND",		ZSAU_DISCONNECT_IND},
@@ -434,7 +436,7 @@ void gigaset_handle_modem_response(struct cardstate *cs) 
	len = cs->cbytes;

	if (!len) {

		/* ignore additional LFs/CRs (M10x config mode or cx100) */

		gig_dbg(DEBUG_MCMD, "skipped EOL [%02X]", cs->respdata[len]);

		gig_dbg(DEBUG_MCMD, "skipped EOL [%02X]", cs->respdata[0]);

		return;

	}

	cs->respdata[len] = 0;
@@ -707,27 +709,29 @@ static void schedule_init(struct cardstate *cs, int state) 
	cs->commands_pending = 1;

}



/* Add "AT" to a command, add the cid, dle encode it, send the result to the

   hardware. */

static void send_command(struct cardstate *cs, const char *cmd, int cid,

			 int dle, gfp_t kmallocflags)

/* send an AT command

 * adding the "AT" prefix, cid and DLE encapsulation as appropriate

 */

static void send_command(struct cardstate *cs, const char *cmd,

			 struct at_state_t *at_state)

{

	int cid = at_state->cid;

	struct cmdbuf_t *cb;

	size_t buflen;



	buflen = strlen(cmd) + 12; /* DLE ( A T 1 2 3 4 5 <cmd> DLE ) \0 */

	cb = kmalloc(sizeof(struct cmdbuf_t) + buflen, kmallocflags);

	cb = kmalloc(sizeof(struct cmdbuf_t) + buflen, GFP_ATOMIC);

	if (!cb) {

		dev_err(cs->dev, "%s: out of memory\n", __func__);

		return;

	}

	if (cid > 0 && cid <= 65535)

		cb->len = snprintf(cb->buf, buflen,

				   dle ? "\020(AT%d%s\020)" : "AT%d%s",

				   cs->dle ? "\020(AT%d%s\020)" : "AT%d%s",

				   cid, cmd);

	else

		cb->len = snprintf(cb->buf, buflen,

				   dle ? "\020(AT%s\020)" : "AT%s",

				   cs->dle ? "\020(AT%s\020)" : "AT%s",

				   cmd);

	cb->offset = 0;

	cb->next = NULL;
@@ -886,7 +890,7 @@ static void finish_shutdown(struct cardstate *cs) 
		gigaset_isdn_stop(cs);

	}



	/* The rest is done by cleanup_cs () in user mode. */

	/* The rest is done by cleanup_cs() in process context. */



	cs->cmd_result = -ENODEV;

	cs->waiting = 0;
@@ -976,10 +980,9 @@ static int at_state_invalid(struct cardstate *cs, 
}



static void handle_icall(struct cardstate *cs, struct bc_state *bcs,

			 struct at_state_t **p_at_state)

			 struct at_state_t *at_state)

{

	int retval;

	struct at_state_t *at_state = *p_at_state;



	retval = gigaset_isdn_icall(at_state);

	switch (retval) {
@@ -1176,7 +1179,7 @@ static void do_action(int action, struct cardstate *cs, 
		spin_unlock_irqrestore(&cs->lock, flags);

		break;

	case ACT_ICALL:

		handle_icall(cs, bcs, p_at_state);

		handle_icall(cs, bcs, at_state);

		break;

	case ACT_FAILSDOWN:

		dev_warn(cs->dev, "Could not shut down the device.\n");
@@ -1264,7 +1267,7 @@ static void do_action(int action, struct cardstate *cs, 
			cs->commands_pending = 1;

			break;

		}

		/* fall through */

		/* bad cid: fall through */

	case ACT_FAILCID:

		cs->cur_at_seq = SEQ_NONE;

		channel = cs->curchannel;
@@ -1339,7 +1342,6 @@ static void do_action(int action, struct cardstate *cs, 
			*p_resp_code = RSP_ERROR;

			break;

		}

		/*at_state->getstring = 1;*/

		cs->gotfwver = 0;

		break;

	case ACT_GOTVER:
@@ -1471,7 +1473,6 @@ static void process_event(struct cardstate *cs, struct event_t *ev) 
	int rcode;

	int genresp = 0;

	int resp_code = RSP_ERROR;

	int sendcid;

	struct at_state_t *at_state;

	int index;

	int curact;
@@ -1499,7 +1500,6 @@ static void process_event(struct cardstate *cs, struct event_t *ev) 
		at_state->ConState, ev->type);



	bcs = at_state->bcs;

	sendcid = at_state->cid;



	/* Setting the pointer to the dial array */

	rep = at_state->replystruct;
@@ -1510,10 +1510,12 @@ static void process_event(struct cardstate *cs, struct event_t *ev) 
		    || !at_state->timer_active) {

			ev->type = RSP_NONE; /* old timeout */

			gig_dbg(DEBUG_EVENT, "old timeout");

		} else if (!at_state->waiting)

			gig_dbg(DEBUG_EVENT, "timeout occurred");

		else

		} else {

			if (at_state->waiting)

				gig_dbg(DEBUG_EVENT, "stopped waiting");

			else

				gig_dbg(DEBUG_EVENT, "timeout occurred");

		}

	}

	spin_unlock_irqrestore(&cs->lock, flags);
@@ -1561,10 +1563,10 @@ static void process_event(struct cardstate *cs, struct event_t *ev) 
		do_action(rep->action[curact], cs, bcs, &at_state, &p_command,

			  &genresp, &resp_code, ev);

		if (!at_state)

			break; /* may be freed after disconnect */

			/* at_state destroyed by disconnect */

			return;

	}



	if (at_state) {

	/* Jump to the next con-state regarding the array */

	if (rep->new_ConState >= 0)

		at_state->ConState = rep->new_ConState;
@@ -1574,18 +1576,14 @@ static void process_event(struct cardstate *cs, struct event_t *ev) 
		at_state->timer_expires = 0;

		at_state->timer_active = 0;

		spin_unlock_irqrestore(&cs->lock, flags);

			gigaset_add_event(cs, at_state, resp_code,

					  NULL, 0, NULL);

		gigaset_add_event(cs, at_state, resp_code, NULL, 0, NULL);

	} else {

		/* Send command to modem if not NULL... */

		if (p_command) {

			if (cs->connected)

					send_command(cs, p_command,

						     sendcid, cs->dle,

						     GFP_ATOMIC);

				send_command(cs, p_command, at_state);

			else

					gigaset_add_event(cs, at_state,

							  RSP_NODEV,

				gigaset_add_event(cs, at_state, RSP_NODEV,

						  NULL, 0, NULL);

		}
@@ -1601,7 +1599,6 @@ static void process_event(struct cardstate *cs, struct event_t *ev) 
		spin_unlock_irqrestore(&cs->lock, flags);

	}

}

}



static void schedule_sequence(struct cardstate *cs,

			      struct at_state_t *at_state, int sequence)

drivers/isdn/gigaset/gigaset.h

+6 −3
Original line number Diff line number Diff line
@@ -111,11 +111,10 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg, 


/* connection state */

#define ZSAU_NONE			0

#define ZSAU_DISCONNECT_IND		4

#define ZSAU_OUTGOING_CALL_PROCEEDING	1

#define ZSAU_PROCEEDING			1

#define ZSAU_CALL_DELIVERED		2

#define ZSAU_ACTIVE			3

#define ZSAU_DISCONNECT_IND		4

#define ZSAU_NULL			5

#define ZSAU_DISCONNECT_REQ		6

#define ZSAU_UNKNOWN			-1
@@ -183,18 +182,22 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg, 
#define AT_NUM		7



/* variables in struct at_state_t */

/* - numeric */

#define VAR_ZSAU	0

#define VAR_ZDLE	1

#define VAR_ZCTP	2

/* total number */

#define VAR_NUM		3



/* - string */

#define STR_NMBR	0

#define STR_ZCPN	1

#define STR_ZCON	2

#define STR_ZBC		3

#define STR_ZHLC	4

/* total number */

#define STR_NUM		5



/* event types */

#define EV_TIMEOUT	-105

#define EV_IF_VER	-106

#define EV_PROC_CIDMODE	-107