1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * rsrc_mgr.c -- Resource management routines and/or wrappers 4 * 5 * The initial developer of the original code is David A. Hinds 6 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds 7 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. 8 * 9 * (C) 1999 David A. Hinds 10 */ 11 12 #include <linux/slab.h> 13 #include <linux/module.h> 14 #include <linux/kernel.h> 15 16 #include <pcmcia/ss.h> 17 #include <pcmcia/cistpl.h> 18 #include "cs_internal.h" 19 20 int static_init(struct pcmcia_socket *s) 21 { 22 /* the good thing about SS_CAP_STATIC_MAP sockets is 23 * that they don't need a resource database */ 24 25 s->resource_setup_done = 1; 26 27 return 0; 28 } 29 30 struct resource *pcmcia_make_resource(resource_size_t start, 31 resource_size_t end, 32 unsigned long flags, const char *name) 33 { 34 struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL); 35 36 if (res) { 37 res->name = name; 38 res->start = start; 39 res->end = start + end - 1; 40 res->flags = flags; 41 } 42 return res; 43 } 44 45 static int static_find_io(struct pcmcia_socket *s, unsigned int attr, 46 unsigned int *base, unsigned int num, 47 unsigned int align, struct resource **parent) 48 { 49 if (!s->io_offset) 50 return -EINVAL; 51 *base = s->io_offset | (*base & 0x0fff); 52 *parent = NULL; 53 54 return 0; 55 } 56 57 58 struct pccard_resource_ops pccard_static_ops = { 59 .validate_mem = NULL, 60 .find_io = static_find_io, 61 .find_mem = NULL, 62 .init = static_init, 63 .exit = NULL, 64 }; 65 EXPORT_SYMBOL(pccard_static_ops); 66 67 68 MODULE_AUTHOR("David A. Hinds, Dominik Brodowski"); 69 MODULE_LICENSE("GPL"); 70 MODULE_ALIAS("rsrc_nonstatic"); 71