cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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parport.h (960B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * parport.h: platform-specific PC-style parport initialisation
      4 *
      5 * Copyright (C) 1999, 2000  Tim Waugh <tim@cyberelk.demon.co.uk>
      6 *
      7 * This file should only be included by drivers/parport/parport_pc.c.
      8 */
      9
     10#ifndef _ASM_POWERPC_PARPORT_H
     11#define _ASM_POWERPC_PARPORT_H
     12#ifdef __KERNEL__
     13
     14#include <linux/of_irq.h>
     15
     16static int parport_pc_find_nonpci_ports (int autoirq, int autodma)
     17{
     18	struct device_node *np;
     19	const u32 *prop;
     20	u32 io1, io2;
     21	int propsize;
     22	int count = 0;
     23	int virq;
     24
     25	for_each_compatible_node(np, "parallel", "pnpPNP,400") {
     26		prop = of_get_property(np, "reg", &propsize);
     27		if (!prop || propsize > 6*sizeof(u32))
     28			continue;
     29		io1 = prop[1]; io2 = prop[2];
     30
     31		virq = irq_of_parse_and_map(np, 0);
     32		if (!virq)
     33			continue;
     34
     35		if (parport_pc_probe_port(io1, io2, virq, autodma, NULL, 0)
     36				!= NULL)
     37			count++;
     38	}
     39	return count;
     40}
     41
     42#endif /* __KERNEL__ */
     43#endif /* !(_ASM_POWERPC_PARPORT_H) */