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-rw-r--r--net/irda/irda_device.c169
1 files changed, 1 insertions, 168 deletions
diff --git a/net/irda/irda_device.c b/net/irda/irda_device.c
index 435b563d29a6..87185910d0ee 100644
--- a/net/irda/irda_device.c
+++ b/net/irda/irda_device.c
@@ -57,20 +57,6 @@ static void __irda_task_delete(struct irda_task *task);
57static hashbin_t *dongles = NULL; 57static hashbin_t *dongles = NULL;
58static hashbin_t *tasks = NULL; 58static hashbin_t *tasks = NULL;
59 59
60#ifdef CONFIG_IRDA_DEBUG
61static const char *task_state[] = {
62 "IRDA_TASK_INIT",
63 "IRDA_TASK_DONE",
64 "IRDA_TASK_WAIT",
65 "IRDA_TASK_WAIT1",
66 "IRDA_TASK_WAIT2",
67 "IRDA_TASK_WAIT3",
68 "IRDA_TASK_CHILD_INIT",
69 "IRDA_TASK_CHILD_WAIT",
70 "IRDA_TASK_CHILD_DONE",
71};
72#endif /* CONFIG_IRDA_DEBUG */
73
74static void irda_task_timer_expired(void *data); 60static void irda_task_timer_expired(void *data);
75 61
76int __init irda_device_init( void) 62int __init irda_device_init( void)
@@ -176,14 +162,6 @@ int irda_device_is_receiving(struct net_device *dev)
176 return req.ifr_receiving; 162 return req.ifr_receiving;
177} 163}
178 164
179void irda_task_next_state(struct irda_task *task, IRDA_TASK_STATE state)
180{
181 IRDA_DEBUG(2, "%s(), state = %s\n", __FUNCTION__, task_state[state]);
182
183 task->state = state;
184}
185EXPORT_SYMBOL(irda_task_next_state);
186
187static void __irda_task_delete(struct irda_task *task) 165static void __irda_task_delete(struct irda_task *task)
188{ 166{
189 del_timer(&task->timer); 167 del_timer(&task->timer);
@@ -191,14 +169,13 @@ static void __irda_task_delete(struct irda_task *task)
191 kfree(task); 169 kfree(task);
192} 170}
193 171
194void irda_task_delete(struct irda_task *task) 172static void irda_task_delete(struct irda_task *task)
195{ 173{
196 /* Unregister task */ 174 /* Unregister task */
197 hashbin_remove(tasks, (long) task, NULL); 175 hashbin_remove(tasks, (long) task, NULL);
198 176
199 __irda_task_delete(task); 177 __irda_task_delete(task);
200} 178}
201EXPORT_SYMBOL(irda_task_delete);
202 179
203/* 180/*
204 * Function irda_task_kick (task) 181 * Function irda_task_kick (task)
@@ -272,51 +249,6 @@ static int irda_task_kick(struct irda_task *task)
272} 249}
273 250
274/* 251/*
275 * Function irda_task_execute (instance, function, finished)
276 *
277 * This function registers and tries to execute tasks that may take some
278 * time to complete. We do it this hairy way since we may have been
279 * called from interrupt context, so it's not possible to use
280 * schedule_timeout()
281 * Two important notes :
282 * o Make sure you irda_task_delete(task); in case you delete the
283 * calling instance.
284 * o No real need to lock when calling this function, but you may
285 * want to lock within the task handler.
286 * Jean II
287 */
288struct irda_task *irda_task_execute(void *instance,
289 IRDA_TASK_CALLBACK function,
290 IRDA_TASK_CALLBACK finished,
291 struct irda_task *parent, void *param)
292{
293 struct irda_task *task;
294
295 IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
296
297 task = kmalloc(sizeof(struct irda_task), GFP_ATOMIC);
298 if (!task)
299 return NULL;
300
301 task->state = IRDA_TASK_INIT;
302 task->instance = instance;
303 task->function = function;
304 task->finished = finished;
305 task->parent = parent;
306 task->param = param;
307 task->magic = IRDA_TASK_MAGIC;
308
309 init_timer(&task->timer);
310
311 /* Register task */
312 hashbin_insert(tasks, (irda_queue_t *) task, (long) task, NULL);
313
314 /* No time to waste, so lets get going! */
315 return irda_task_kick(task) ? NULL : task;
316}
317EXPORT_SYMBOL(irda_task_execute);
318
319/*
320 * Function irda_task_timer_expired (data) 252 * Function irda_task_timer_expired (data)
321 * 253 *
322 * Task time has expired. We now try to execute task (again), and restart 254 * Task time has expired. We now try to execute task (again), and restart
@@ -364,105 +296,6 @@ struct net_device *alloc_irdadev(int sizeof_priv)
364} 296}
365EXPORT_SYMBOL(alloc_irdadev); 297EXPORT_SYMBOL(alloc_irdadev);
366 298
367/*
368 * Function irda_device_init_dongle (self, type, qos)
369 *
370 * Initialize attached dongle.
371 *
372 * Important : request_module require us to call this function with
373 * a process context and irq enabled. - Jean II
374 */
375dongle_t *irda_device_dongle_init(struct net_device *dev, int type)
376{
377 struct dongle_reg *reg;
378 dongle_t *dongle = kzalloc(sizeof(dongle_t), GFP_KERNEL);
379
380 might_sleep();
381
382 spin_lock(&dongles->hb_spinlock);
383 reg = hashbin_find(dongles, type, NULL);
384
385#ifdef CONFIG_KMOD
386 /* Try to load the module needed */
387 if (!reg && capable(CAP_SYS_MODULE)) {
388 spin_unlock(&dongles->hb_spinlock);
389
390 request_module("irda-dongle-%d", type);
391
392 spin_lock(&dongles->hb_spinlock);
393 reg = hashbin_find(dongles, type, NULL);
394 }
395#endif
396
397 if (!reg || !try_module_get(reg->owner) ) {
398 IRDA_ERROR("IrDA: Unable to find requested dongle type %x\n",
399 type);
400 kfree(dongle);
401 dongle = NULL;
402 }
403 if (dongle) {
404 /* Bind the registration info to this particular instance */
405 dongle->issue = reg;
406 dongle->dev = dev;
407 }
408 spin_unlock(&dongles->hb_spinlock);
409 return dongle;
410}
411EXPORT_SYMBOL(irda_device_dongle_init);
412
413/*
414 * Function irda_device_dongle_cleanup (dongle)
415 */
416int irda_device_dongle_cleanup(dongle_t *dongle)
417{
418 IRDA_ASSERT(dongle != NULL, return -1;);
419
420 dongle->issue->close(dongle);
421 module_put(dongle->issue->owner);
422 kfree(dongle);
423
424 return 0;
425}
426EXPORT_SYMBOL(irda_device_dongle_cleanup);
427
428/*
429 * Function irda_device_register_dongle (dongle)
430 */
431int irda_device_register_dongle(struct dongle_reg *new)
432{
433 spin_lock(&dongles->hb_spinlock);
434 /* Check if this dongle has been registered before */
435 if (hashbin_find(dongles, new->type, NULL)) {
436 IRDA_MESSAGE("%s: Dongle type %x already registered\n",
437 __FUNCTION__, new->type);
438 } else {
439 /* Insert IrDA dongle into hashbin */
440 hashbin_insert(dongles, (irda_queue_t *) new, new->type, NULL);
441 }
442 spin_unlock(&dongles->hb_spinlock);
443
444 return 0;
445}
446EXPORT_SYMBOL(irda_device_register_dongle);
447
448/*
449 * Function irda_device_unregister_dongle (dongle)
450 *
451 * Unregister dongle, and remove dongle from list of registered dongles
452 *
453 */
454void irda_device_unregister_dongle(struct dongle_reg *dongle)
455{
456 struct dongle *node;
457
458 spin_lock(&dongles->hb_spinlock);
459 node = hashbin_remove(dongles, dongle->type, NULL);
460 if (!node)
461 IRDA_ERROR("%s: dongle not found!\n", __FUNCTION__);
462 spin_unlock(&dongles->hb_spinlock);
463}
464EXPORT_SYMBOL(irda_device_unregister_dongle);
465
466#ifdef CONFIG_ISA_DMA_API 299#ifdef CONFIG_ISA_DMA_API
467/* 300/*
468 * Function setup_dma (idev, buffer, count, mode) 301 * Function setup_dma (idev, buffer, count, mode)