Merge tag 'powerpc-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
[cascardo/linux.git] / arch / powerpc / include / asm / parport.h
1 /*
2  * parport.h: platform-specific PC-style parport initialisation
3  *
4  * Copyright (C) 1999, 2000  Tim Waugh <tim@cyberelk.demon.co.uk>
5  *
6  * This file should only be included by drivers/parport/parport_pc.c.
7  */
8
9 #ifndef _ASM_POWERPC_PARPORT_H
10 #define _ASM_POWERPC_PARPORT_H
11 #ifdef __KERNEL__
12
13 #include <asm/prom.h>
14
15 static int parport_pc_find_nonpci_ports (int autoirq, int autodma)
16 {
17         struct device_node *np;
18         const u32 *prop;
19         u32 io1, io2;
20         int propsize;
21         int count = 0;
22         int virq;
23
24         for_each_compatible_node(np, "parallel", "pnpPNP,400") {
25                 prop = of_get_property(np, "reg", &propsize);
26                 if (!prop || propsize > 6*sizeof(u32))
27                         continue;
28                 io1 = prop[1]; io2 = prop[2];
29
30                 virq = irq_of_parse_and_map(np, 0);
31                 if (!virq)
32                         continue;
33
34                 if (parport_pc_probe_port(io1, io2, virq, autodma, NULL, 0)
35                                 != NULL)
36                         count++;
37         }
38         return count;
39 }
40
41 #endif /* __KERNEL__ */
42 #endif /* !(_ASM_POWERPC_PARPORT_H) */