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/* SPDX-License-Identifier: GPL-2.0 */
/*
* parport.h: platform-specific PC-style parport initialisation
*
* Copyright (C) 1999, 2000 Tim Waugh <[email protected]>
*
* This file should only be included by drivers/parport/parport_pc.c.
*/
#ifndef _ASM_POWERPC_PARPORT_H
#define _ASM_POWERPC_PARPORT_H
#ifdef __KERNEL__
#include <asm/prom.h>
static int parport_pc_find_nonpci_ports (int autoirq, int autodma)
{
struct device_node *np;
const u32 *prop;
u32 io1, io2;
int propsize;
int count = 0;
int virq;
for_each_compatible_node(np, "parallel", "pnpPNP,400") {
prop = of_get_property(np, "reg", &propsize);
if (!prop || propsize > 6*sizeof(u32))
continue;
io1 = prop[1]; io2 = prop[2];
virq = irq_of_parse_and_map(np, 0);
if (!virq)
continue;
if (parport_pc_probe_port(io1, io2, virq, autodma, NULL, 0)
!= NULL)
count++;
}
return count;
}
#endif /* __KERNEL__ */
#endif /* !(_ASM_POWERPC_PARPORT_H) */