/* * drivers/s390/cio/requestirq.c * S/390 common I/O routines -- enabling and disabling of devices * $Revision: 1.45 $ * * Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH, * IBM Corporation * Author(s): Ingo Adlung (adlung@de.ibm.com) * Cornelia Huck (cohuck@de.ibm.com) * Arnd Bergmann (arndb@de.ibm.com) */ #include #include #include #include #include #include "css.h" /* for compatiblity only... */ int request_irq (unsigned int irq, void (*handler) (int, void *, struct pt_regs *), unsigned long irqflags, const char *devname, void *dev_id) { return -EINVAL; } /* for compatiblity only... */ void free_irq (unsigned int irq, void *dev_id) { } struct pgid global_pgid; EXPORT_SYMBOL_GPL(global_pgid); /* * init_IRQ is now only used to set the pgid as early as possible */ void __init init_IRQ(void) { /* * Let's build our path group ID here. */ if (MACHINE_NEW_STIDP) global_pgid.cpu_addr = 0x8000; else { #ifdef CONFIG_SMP global_pgid.cpu_addr = hard_smp_processor_id(); #else global_pgid.cpu_addr = 0; #endif } global_pgid.cpu_id = ((cpuid_t *) __LC_CPUID)->ident; global_pgid.cpu_model = ((cpuid_t *) __LC_CPUID)->machine; global_pgid.tod_high = (__u32) (get_clock() >> 32); }