drivers/char/hpet.c

692 static int hpet_is_known(struct hpet_data *hdp)
697 		if (hpetp->hp_hpet_phys == hdp->hd_phys_address)
779 int hpet_alloc(struct hpet_data *hdp)
796 	if (hpet_is_known(hdp)) {
802 	hpetp = kzalloc(struct_size(hpetp, hp_dev, hdp->hd_nirqs),
809 	hpetp->hp_hpet = hdp->hd_address;
810 	hpetp->hp_hpet_phys = hdp->hd_phys_address;
812 	hpetp->hp_ntimer = hdp->hd_nirqs;
814 	for (i = 0; i < hdp->hd_nirqs; i++)
815 		hpetp->hp_dev[i].hd_hdwirq = hdp->hd_irq[i];
845 		hpetp->hp_which, hdp->hd_phys_address,
848 		printk(KERN_CONT "%s %d", i > 0 ? "," : "", hdp->hd_irq[i]);
879 		if (hdp->hd_state & (1 << i)) {
894 	struct hpet_data *hdp;
898 	hdp = data;
903 		hdp->hd_phys_address = addr.address.minimum;
904 		hdp->hd_address = ioremap(addr.address.minimum, addr.address.address_length);
905 		if (!hdp->hd_address)
908 		if (hpet_is_known(hdp)) {
909 			iounmap(hdp->hd_address);
917 		hdp->hd_phys_address = fixmem32->address;
918 		hdp->hd_address = ioremap(fixmem32->address,
920 		if (!hdp->hd_address)
923 		if (hpet_is_known(hdp)) {
924 			iounmap(hdp->hd_address);
934 			if (hdp->hd_nirqs >= HPET_MAX_TIMERS)
943 			hdp->hd_irq[hdp->hd_nirqs] = irq;
944 			hdp->hd_nirqs++;