wlcore: export raw binary with the FW statistics in debugfs

Instead of parsing all the binary data returned by the firmware, we
should simply export the binary and let the userspace do the parsing.

This commit adds a new file to debugfs to do that.
Signed-off-by: NLuciano Coelho <coelho@ti.com>

drivers/net/wireless/ti/wlcore/debugfs.c

@@ -944,6 +944,25 @@ static const struct file_operations beacon_filtering_ops = {
 	.llseek = default_llseek,
 };
 
+static ssize_t fw_stats_raw_read(struct file *file,
+				 char __user *userbuf,
+				 size_t count, loff_t *ppos)
+{
+	struct wl1271 *wl = file->private_data;
+
+	wl1271_debugfs_update_stats(wl);
+
+	return simple_read_from_buffer(userbuf, count, ppos,
+				       wl->stats.fw_stats,
+				       wl->stats.fw_stats_len);
+}
+
+static const struct file_operations fw_stats_raw_ops = {
+	.read = fw_stats_raw_read,
+	.open = simple_open,
+	.llseek = default_llseek,
+};
+
 static int wl1271_debugfs_add_files(struct wl1271 *wl,
 				    struct dentry *rootdir)
 {
@@ -968,6 +987,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl,
 	DEBUGFS_ADD(irq_pkt_threshold, rootdir);
 	DEBUGFS_ADD(irq_blk_threshold, rootdir);
 	DEBUGFS_ADD(irq_timeout, rootdir);
+	DEBUGFS_ADD(fw_stats_raw, rootdir);
 
 	streaming = debugfs_create_dir("rx_streaming", rootdir);
 	if (!streaming || IS_ERR(streaming))