79  * Locks related to IOAPIC hotplug
474 	int ioapic;  in mp_config_acpi_gsi()  local
493 	ioapic = mp_find_ioapic(gsi);  in mp_config_acpi_gsi()
494 	mp_irq.dstapic = mpc_ioapic_id(ioapic);  in mp_config_acpi_gsi()
495 	mp_irq.dstirq = mp_find_ioapic_pin(ioapic, gsi);  in mp_config_acpi_gsi()
505 	int ioapic, pin;  in mp_register_ioapic_irq()  local
507 	/* Convert 'gsi' to 'ioapic.pin'(INTIN#) */  in mp_register_ioapic_irq()
508 	ioapic = mp_find_ioapic(gsi);  in mp_register_ioapic_irq()
509 	if (ioapic < 0) {  in mp_register_ioapic_irq()
510 		pr_warn("Failed to find ioapic for gsi : %u\n", gsi);  in mp_register_ioapic_irq()
511 		return ioapic;  in mp_register_ioapic_irq()
514 	pin = mp_find_ioapic_pin(ioapic, gsi);  in mp_register_ioapic_irq()
521 	mp_irq.dstapic = mpc_ioapic_id(ioapic);  in mp_register_ioapic_irq()
532 	struct acpi_madt_io_apic *ioapic = NULL;  in acpi_parse_ioapic()  local
538 	ioapic = (struct acpi_madt_io_apic *)header;  in acpi_parse_ioapic()
540 	if (BAD_MADT_ENTRY(ioapic, end))  in acpi_parse_ioapic()
546 	if (ioapic->global_irq_base < nr_legacy_irqs())  in acpi_parse_ioapic()
549 	mp_register_ioapic(ioapic->id, ioapic->address, ioapic->global_irq_base,  in acpi_parse_ioapic()
900 			acpi_handle_warn(handle, "failed to get IOAPIC ID.\n");  in acpi_register_ioapic()
930  * acpi_ioapic_registered - Check whether IOAPIC associated with @gsi_base
932  * @handle:	ACPI handle of the IOAPIC device
933  * @gsi_base:	GSI base associated with the IOAPIC
1207 		int ioapic, pin;  in mp_config_acpi_legacy_irqs()  local
1217 		 * Locate the IOAPIC that manages the ISA IRQ.  in mp_config_acpi_legacy_irqs()
1219 		ioapic = mp_find_ioapic(gsi);  in mp_config_acpi_legacy_irqs()
1220 		if (ioapic < 0)  in mp_config_acpi_legacy_irqs()
1222 		pin = mp_find_ioapic_pin(ioapic, gsi);  in mp_config_acpi_legacy_irqs()
1223 		dstapic = mpc_ioapic_id(ioapic);  in mp_config_acpi_legacy_irqs()
1232 			/* Do we already have a mapping for this IOAPIC pin */  in mp_config_acpi_legacy_irqs()
1255  * Parse IOAPIC related entries in MADT
1278 		pr_info("Skipping IOAPIC probe due to 'noapic' option.\n");  in acpi_parse_madt_ioapic_entries()
1285 		pr_err("No IOAPIC entries present\n");  in acpi_parse_madt_ioapic_entries()
1288 		pr_err("Error parsing IOAPIC entry\n");  in acpi_parse_madt_ioapic_entries()
1655  *	acpi_ioapic = 1 if IOAPIC found