2 * Copyright (c) 2012 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 #include <linux/debugfs.h>
17 #include <linux/netdevice.h>
18 #include <linux/module.h>
19 #include <linux/devcoredump.h>
21 #include <brcmu_wifi.h>
22 #include <brcmu_utils.h>
28 int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data,
35 ramsize = brcmf_bus_get_ramsize(bus);
39 dump = vzalloc(len + ramsize);
44 memcpy(dump, data, len);
45 err = brcmf_bus_get_memdump(bus, dump + len, ramsize);
51 dev_coredumpv(bus->dev, dump, len + ramsize, GFP_KERNEL);
56 struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
58 return drvr->wiphy->debugfsdir;
61 int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
62 int (*read_fn)(struct seq_file *seq, void *data))
66 WARN(!drvr->wiphy->debugfsdir, "wiphy not (yet) registered\n");
67 e = debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
68 drvr->wiphy->debugfsdir, read_fn);
69 return PTR_ERR_OR_ZERO(e);