Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 70 insertions, 0 deletions

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
new file mode 100644
index 000000000..489b5dfdf
--- /dev/null
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <linux/debugfs.h>
+#include <linux/netdevice.h>
+#include <linux/module.h>
+#include <linux/devcoredump.h>
+
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+#include "core.h"
+#include "bus.h"
+#include "fweh.h"
+#include "debug.h"
+
+int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data,
+			       size_t len)
+{
+	void *dump;
+	size_t ramsize;
+	int err;
+
+	ramsize = brcmf_bus_get_ramsize(bus);
+	if (!ramsize)
+		return -ENOTSUPP;
+
+	dump = vzalloc(len + ramsize);
+	if (!dump)
+		return -ENOMEM;
+
+	if (data && len > 0)
+		memcpy(dump, data, len);
+	err = brcmf_bus_get_memdump(bus, dump + len, ramsize);
+	if (err) {
+		vfree(dump);
+		return err;
+	}
+
+	dev_coredumpv(bus->dev, dump, len + ramsize, GFP_KERNEL);
+
+	return 0;
+}
+
+struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
+{
+	return drvr->wiphy->debugfsdir;
+}
+
+int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
+			    int (*read_fn)(struct seq_file *seq, void *data))
+{
+	struct dentry *e;
+
+	WARN(!drvr->wiphy->debugfsdir, "wiphy not (yet) registered\n");
+	e = debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
+					drvr->wiphy->debugfsdir, read_fn);
+	return PTR_ERR_OR_ZERO(e);
+}