powerpc/sysdev/fsl_gtm.c

69 struct gtm {
89 	struct gtm *gtm;
92 	list_for_each_entry(gtm, &gtms, list_node) {
93 		spin_lock_irq(&gtm->lock);
95 		for (i = 0; i < ARRAY_SIZE(gtm->timers); i++) {
96 			if (!gtm->timers[i].requested) {
97 				gtm->timers[i].requested = true;
98 				spin_unlock_irq(&gtm->lock);
99 				return &gtm->timers[i];
103 		spin_unlock_irq(&gtm->lock);
114  * @gtm:	specific GTM, pass here GTM's device_node->data
122 struct gtm_timer *gtm_get_specific_timer16(struct gtm *gtm,
130 	spin_lock_irq(&gtm->lock);
132 	if (gtm->timers[timer].requested)
135 	ret = &gtm->timers[timer];
139 	spin_unlock_irq(&gtm->lock);
155 	spin_lock_irq(&tmr->gtm->lock);
157 	spin_unlock_irq(&tmr->gtm->lock);
168 	struct gtm *gtm = tmr->gtm;
169 	int num = tmr - &gtm->timers[0];
181 	prescaler = gtm->clock / frequency;
203 	spin_lock_irqsave(&gtm->lock, flags);
225 	spin_unlock_irqrestore(&gtm->lock, flags);
304 	struct gtm *gtm = tmr->gtm;
305 	int num = tmr - &gtm->timers[0];
308 	spin_lock_irqsave(&gtm->lock, flags);
313 	spin_unlock_irqrestore(&gtm->lock, flags);
367 	if (!of_device_is_compatible(np, "fsl,cpm2-gtm")) {
379 	for_each_compatible_node(np, NULL, "fsl,gtm") {
381 		struct gtm *gtm;
385 		gtm = kzalloc(sizeof(*gtm), GFP_KERNEL);
386 		if (!gtm) {
392 		spin_lock_init(&gtm->lock);
399 		gtm->clock = *clock;
401 		for (i = 0; i < ARRAY_SIZE(gtm->timers); i++) {
410 			gtm->timers[i].irq = irq;
411 			gtm->timers[i].gtm = gtm;
414 		gtm->regs = of_iomap(np, 0);
415 		if (!gtm->regs) {
421 		gtm_set_shortcuts(np, gtm->timers, gtm->regs);
422 		list_add(&gtm->list_node, &gtms);
425 		np->data = gtm;
430 		kfree(gtm);