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- // 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);
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