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/*
* 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 <linux/module.h>
#include <linux/config.h>
#include <linux/device.h>
#include <linux/init.h>
#include <asm/lowcore.h>
#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);
}
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