Cregit: Linux 6.7: eisa.c

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Thomas Gleixner	34	35.79%	3	30.00%
Linus Torvalds (pre-git)	27	28.42%	3	30.00%
Boris Ostrovsky	21	22.11%	1	10.00%
Al Viro	7	7.37%	1	10.00%
Dave Jones	3	3.16%	1	10.00%
Marc Zyngier	3	3.16%	1	10.00%
Total	95		10

// SPDX-License-Identifier: GPL-2.0-only
/*
 * EISA specific code
 */
#include <linux/ioport.h>
#include <linux/eisa.h>
#include <linux/io.h>

#include <xen/xen.h>

static __init int eisa_bus_probe(void)
{
	void __iomem *p;

	if (xen_pv_domain() && !xen_initial_domain())
		return 0;

	p = ioremap(0x0FFFD9, 4);
	if (p && readl(p) == 'E' + ('I' << 8) + ('S' << 16) + ('A' << 24))
		EISA_bus = 1;
	iounmap(p);
	return 0;
}
subsys_initcall(eisa_bus_probe);