linux-stable/arch/powerpc/include/asm/parport.h
Christophe Leroy 07071346bb powerpc: Don't include asm/prom.h in asm/parport.h
parport.h needs only of_irq.h, no need to go via asm/prom.h

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ec796ee56cf61f16ba24e62a9d3525d11931538c.1646767214.git.christophe.leroy@csgroup.eu
2022-05-06 00:00:20 +10:00

43 lines
960 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* parport.h: platform-specific PC-style parport initialisation
*
* Copyright (C) 1999, 2000 Tim Waugh <tim@cyberelk.demon.co.uk>
*
* 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 <linux/of_irq.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) */