powerpc/sysdev/fsl_gtm.c

70 struct gtm {
90 	struct gtm *gtm = NULL;
93 	list_for_each_entry(gtm, &gtms, list_node) {
94 		spin_lock_irq(&gtm->lock);
96 		for (i = 0; i < ARRAY_SIZE(gtm->timers); i++) {
97 			if (!gtm->timers[i].requested) {
98 				gtm->timers[i].requested = true;
99 				spin_unlock_irq(&gtm->lock);
100 				return &gtm->timers[i];
104 		spin_unlock_irq(&gtm->lock);
107 	if (gtm)
115  * @gtm:	specific GTM, pass here GTM's device_node->data
123 struct gtm_timer *gtm_get_specific_timer16(struct gtm *gtm,
131 	spin_lock_irq(&gtm->lock);
133 	if (gtm->timers[timer].requested)
136 	ret = &gtm->timers[timer];
140 	spin_unlock_irq(&gtm->lock);
156 	spin_lock_irq(&tmr->gtm->lock);
158 	spin_unlock_irq(&tmr->gtm->lock);
169 	struct gtm *gtm = tmr->gtm;
170 	int num = tmr - &gtm->timers[0];
182 	prescaler = gtm->clock / frequency;
204 	spin_lock_irqsave(&gtm->lock, flags);
226 	spin_unlock_irqrestore(&gtm->lock, flags);
305 	struct gtm *gtm = tmr->gtm;
306 	int num = tmr - &gtm->timers[0];
309 	spin_lock_irqsave(&gtm->lock, flags);
314 	spin_unlock_irqrestore(&gtm->lock, flags);
368 	if (!of_device_is_compatible(np, "fsl,cpm2-gtm")) {
380 	for_each_compatible_node(np, NULL, "fsl,gtm") {
382 		struct gtm *gtm;
386 		gtm = kzalloc(sizeof(*gtm), GFP_KERNEL);
387 		if (!gtm) {
393 		spin_lock_init(&gtm->lock);
400 		gtm->clock = *clock;
402 		for (i = 0; i < ARRAY_SIZE(gtm->timers); i++) {
412 			gtm->timers[i].irq = irq.start;
413 			gtm->timers[i].gtm = gtm;
416 		gtm->regs = of_iomap(np, 0);
417 		if (!gtm->regs) {
423 		gtm_set_shortcuts(np, gtm->timers, gtm->regs);
424 		list_add(&gtm->list_node, &gtms);
427 		np->data = gtm;
432 		kfree(gtm);