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authorTilman Schmidt <tilman@imap.cc>2008-02-06 01:38:28 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-06 10:41:12 -0800
commit9d4bee2b9de9e30057a860d2d6794f874caffc5e (patch)
treeda411b981460825d04298d59dc05bd4125974bba /drivers/isdn/gigaset/ev-layer.c
parent1ff0a5296ff4157e7c46861bccc8d61e168c4e2b (diff)
gigaset: atomic cleanup
Convert atomic_t variables that don't actually use atomic_t functionality to int. Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/isdn/gigaset/ev-layer.c')
-rw-r--r--drivers/isdn/gigaset/ev-layer.c106
1 files changed, 52 insertions, 54 deletions
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index cec1ef342fc..5cbf64d850e 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -735,7 +735,7 @@ 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;
- atomic_set(&cs->commands_pending, 1); //FIXME
+ cs->commands_pending = 1;
gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE");
}
spin_unlock_irqrestore(&cs->lock, flags);
@@ -793,15 +793,15 @@ static void init_failed(struct cardstate *cs, int mode)
struct at_state_t *at_state;
cs->at_state.pending_commands &= ~PC_INIT;
- atomic_set(&cs->mode, mode);
- atomic_set(&cs->mstate, MS_UNINITIALIZED);
+ cs->mode = mode;
+ cs->mstate = MS_UNINITIALIZED;
gigaset_free_channels(cs);
for (i = 0; i < cs->channels; ++i) {
at_state = &cs->bcs[i].at_state;
if (at_state->pending_commands & PC_CID) {
at_state->pending_commands &= ~PC_CID;
at_state->pending_commands |= PC_NOCID;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
}
}
}
@@ -812,11 +812,11 @@ static void schedule_init(struct cardstate *cs, int state)
gig_dbg(DEBUG_CMD, "not scheduling PC_INIT again");
return;
}
- atomic_set(&cs->mstate, state);
- atomic_set(&cs->mode, M_UNKNOWN);
+ cs->mstate = state;
+ cs->mode = M_UNKNOWN;
gigaset_block_channels(cs);
cs->at_state.pending_commands |= PC_INIT;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
gig_dbg(DEBUG_CMD, "Scheduling PC_INIT");
}
@@ -953,13 +953,13 @@ static void start_dial(struct at_state_t *at_state, void *data, unsigned seq_ind
at_state->pending_commands |= PC_CID;
gig_dbg(DEBUG_CMD, "Scheduling PC_CID");
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
return;
error:
at_state->pending_commands |= PC_NOCID;
gig_dbg(DEBUG_CMD, "Scheduling PC_NOCID");
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
return;
}
@@ -973,12 +973,12 @@ static void start_accept(struct at_state_t *at_state)
if (retval == 0) {
at_state->pending_commands |= PC_ACCEPT;
gig_dbg(DEBUG_CMD, "Scheduling PC_ACCEPT");
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
} else {
- //FIXME
+ /* error reset */
at_state->pending_commands |= PC_HUP;
gig_dbg(DEBUG_CMD, "Scheduling PC_HUP");
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
}
}
@@ -986,7 +986,7 @@ static void do_start(struct cardstate *cs)
{
gigaset_free_channels(cs);
- if (atomic_read(&cs->mstate) != MS_LOCKED)
+ if (cs->mstate != MS_LOCKED)
schedule_init(cs, MS_INIT);
cs->isdn_up = 1;
@@ -1000,9 +1000,9 @@ static void do_start(struct cardstate *cs)
static void finish_shutdown(struct cardstate *cs)
{
- if (atomic_read(&cs->mstate) != MS_LOCKED) {
- atomic_set(&cs->mstate, MS_UNINITIALIZED);
- atomic_set(&cs->mode, M_UNKNOWN);
+ if (cs->mstate != MS_LOCKED) {
+ cs->mstate = MS_UNINITIALIZED;
+ cs->mode = M_UNKNOWN;
}
/* Tell the LL that the device is not available .. */
@@ -1022,10 +1022,10 @@ static void do_shutdown(struct cardstate *cs)
{
gigaset_block_channels(cs);
- if (atomic_read(&cs->mstate) == MS_READY) {
- atomic_set(&cs->mstate, MS_SHUTDOWN);
+ if (cs->mstate == MS_READY) {
+ cs->mstate = MS_SHUTDOWN;
cs->at_state.pending_commands |= PC_SHUTDOWN;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
gig_dbg(DEBUG_CMD, "Scheduling PC_SHUTDOWN");
} else
finish_shutdown(cs);
@@ -1120,7 +1120,7 @@ static void handle_icall(struct cardstate *cs, struct bc_state *bcs,
* In fact it doesn't.
*/
at_state->pending_commands |= PC_HUP;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
break;
}
}
@@ -1130,7 +1130,7 @@ static int do_lock(struct cardstate *cs)
int mode;
int i;
- switch (atomic_read(&cs->mstate)) {
+ switch (cs->mstate) {
case MS_UNINITIALIZED:
case MS_READY:
if (cs->cur_at_seq || !list_empty(&cs->temp_at_states) ||
@@ -1152,20 +1152,20 @@ static int do_lock(struct cardstate *cs)
return -EBUSY;
}
- mode = atomic_read(&cs->mode);
- atomic_set(&cs->mstate, MS_LOCKED);
- atomic_set(&cs->mode, M_UNKNOWN);
+ mode = cs->mode;
+ cs->mstate = MS_LOCKED;
+ cs->mode = M_UNKNOWN;
return mode;
}
static int do_unlock(struct cardstate *cs)
{
- if (atomic_read(&cs->mstate) != MS_LOCKED)
+ if (cs->mstate != MS_LOCKED)
return -EINVAL;
- atomic_set(&cs->mstate, MS_UNINITIALIZED);
- atomic_set(&cs->mode, M_UNKNOWN);
+ cs->mstate = MS_UNINITIALIZED;
+ cs->mode = M_UNKNOWN;
gigaset_free_channels(cs);
if (cs->connected)
schedule_init(cs, MS_INIT);
@@ -1198,17 +1198,17 @@ static void do_action(int action, struct cardstate *cs,
case ACT_INIT:
cs->at_state.pending_commands &= ~PC_INIT;
cs->cur_at_seq = SEQ_NONE;
- atomic_set(&cs->mode, M_UNIMODEM);
+ cs->mode = M_UNIMODEM;
spin_lock_irqsave(&cs->lock, flags);
if (!cs->cidmode) {
spin_unlock_irqrestore(&cs->lock, flags);
gigaset_free_channels(cs);
- atomic_set(&cs->mstate, MS_READY);
+ cs->mstate = MS_READY;
break;
}
spin_unlock_irqrestore(&cs->lock, flags);
cs->at_state.pending_commands |= PC_CIDMODE;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
break;
case ACT_FAILINIT:
@@ -1234,22 +1234,20 @@ static void do_action(int action, struct cardstate *cs,
| INS_command;
break;
case ACT_CMODESET:
- if (atomic_read(&cs->mstate) == MS_INIT ||
- atomic_read(&cs->mstate) == MS_RECOVER) {
+ if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) {
gigaset_free_channels(cs);
- atomic_set(&cs->mstate, MS_READY);
+ cs->mstate = MS_READY;
}
- atomic_set(&cs->mode, M_CID);
+ cs->mode = M_CID;
cs->cur_at_seq = SEQ_NONE;
break;
case ACT_UMODESET:
- atomic_set(&cs->mode, M_UNIMODEM);
+ cs->mode = M_UNIMODEM;
cs->cur_at_seq = SEQ_NONE;
break;
case ACT_FAILCMODE:
cs->cur_at_seq = SEQ_NONE;
- if (atomic_read(&cs->mstate) == MS_INIT ||
- atomic_read(&cs->mstate) == MS_RECOVER) {
+ if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) {
init_failed(cs, M_UNKNOWN);
break;
}
@@ -1307,7 +1305,7 @@ static void do_action(int action, struct cardstate *cs,
case ACT_CONNECT:
if (cs->onechannel) {
at_state->pending_commands |= PC_DLE1;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
break;
}
bcs->chstate |= CHS_D_UP;
@@ -1333,7 +1331,7 @@ static void do_action(int action, struct cardstate *cs,
* DLE only used for M10x with one B channel.
*/
at_state->pending_commands |= PC_DLE0;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
} else
disconnect(p_at_state);
break;
@@ -1369,7 +1367,7 @@ static void do_action(int action, struct cardstate *cs,
"Could not enter DLE mode. Trying to hang up.\n");
channel = cs->curchannel;
cs->bcs[channel].at_state.pending_commands |= PC_HUP;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
break;
case ACT_CID: /* got cid; start dialing */
@@ -1379,7 +1377,7 @@ static void do_action(int action, struct cardstate *cs,
cs->bcs[channel].at_state.cid = ev->parameter;
cs->bcs[channel].at_state.pending_commands |=
PC_DIAL;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
break;
}
/* fall through */
@@ -1411,14 +1409,14 @@ static void do_action(int action, struct cardstate *cs,
case ACT_ABORTDIAL: /* error/timeout during dial preparation */
cs->cur_at_seq = SEQ_NONE;
at_state->pending_commands |= PC_HUP;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
break;
case ACT_REMOTEREJECT: /* DISCONNECT_IND after dialling */
case ACT_CONNTIMEOUT: /* timeout waiting for ZSAU=ACTIVE */
case ACT_REMOTEHUP: /* DISCONNECT_IND with established connection */
at_state->pending_commands |= PC_HUP;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
break;
case ACT_GETSTRING: /* warning: RING, ZDLE, ...
are not handled properly anymore */
@@ -1515,7 +1513,7 @@ static void do_action(int action, struct cardstate *cs,
break;
case ACT_HUP:
at_state->pending_commands |= PC_HUP;
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
gig_dbg(DEBUG_CMD, "Scheduling PC_HUP");
break;
@@ -1558,7 +1556,7 @@ static void do_action(int action, struct cardstate *cs,
cs->at_state.pending_commands |= PC_UMMODE;
gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE");
}
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
}
spin_unlock_irqrestore(&cs->lock, flags);
cs->waiting = 0;
@@ -1741,7 +1739,7 @@ static void process_command_flags(struct cardstate *cs)
int sequence;
unsigned long flags;
- atomic_set(&cs->commands_pending, 0);
+ cs->commands_pending = 0;
if (cs->cur_at_seq) {
gig_dbg(DEBUG_CMD, "not searching scheduled commands: busy");
@@ -1779,7 +1777,7 @@ static void process_command_flags(struct cardstate *cs)
~(PC_DLE1 | PC_ACCEPT | PC_DIAL);
if (at_state->cid > 0)
at_state->pending_commands |= PC_HUP;
- if (atomic_read(&cs->mstate) == MS_RECOVER) {
+ if (cs->mstate == MS_RECOVER) {
if (at_state->pending_commands & PC_CID) {
at_state->pending_commands |= PC_NOCID;
at_state->pending_commands &= ~PC_CID;
@@ -1793,7 +1791,7 @@ static void process_command_flags(struct cardstate *cs)
if (cs->at_state.pending_commands == PC_UMMODE
&& !cs->cidmode
&& list_empty(&cs->temp_at_states)
- && atomic_read(&cs->mode) == M_CID) {
+ && cs->mode == M_CID) {
sequence = SEQ_UMMODE;
at_state = &cs->at_state;
for (i = 0; i < cs->channels; ++i) {
@@ -1860,7 +1858,7 @@ static void process_command_flags(struct cardstate *cs)
}
if (cs->at_state.pending_commands & PC_CIDMODE) {
cs->at_state.pending_commands &= ~PC_CIDMODE;
- if (atomic_read(&cs->mode) == M_UNIMODEM) {
+ if (cs->mode == M_UNIMODEM) {
cs->retry_count = 1;
schedule_sequence(cs, &cs->at_state, SEQ_CIDMODE);
return;
@@ -1886,11 +1884,11 @@ static void process_command_flags(struct cardstate *cs)
return;
}
if (bcs->at_state.pending_commands & PC_CID) {
- switch (atomic_read(&cs->mode)) {
+ switch (cs->mode) {
case M_UNIMODEM:
cs->at_state.pending_commands |= PC_CIDMODE;
gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
- atomic_set(&cs->commands_pending, 1);
+ cs->commands_pending = 1;
return;
#ifdef GIG_MAYINITONDIAL
case M_UNKNOWN:
@@ -1926,7 +1924,7 @@ static void process_events(struct cardstate *cs)
for (i = 0; i < 2 * MAX_EVENTS; ++i) {
tail = cs->ev_tail;
if (tail == head) {
- if (!check_flags && !atomic_read(&cs->commands_pending))
+ if (!check_flags && !cs->commands_pending)
break;
check_flags = 0;
spin_unlock_irqrestore(&cs->ev_lock, flags);
@@ -1934,7 +1932,7 @@ static void process_events(struct cardstate *cs)
spin_lock_irqsave(&cs->ev_lock, flags);
tail = cs->ev_tail;
if (tail == head) {
- if (!atomic_read(&cs->commands_pending))
+ if (!cs->commands_pending)
break;
continue;
}
@@ -1971,7 +1969,7 @@ void gigaset_handle_event(unsigned long data)
struct cardstate *cs = (struct cardstate *) data;
/* handle incoming data on control/common channel */
- if (atomic_read(&cs->inbuf->head) != atomic_read(&cs->inbuf->tail)) {
+ if (cs->inbuf->head != cs->inbuf->tail) {
gig_dbg(DEBUG_INTR, "processing new data");
cs->ops->handle_input(cs->inbuf);
}