mt7603_debugfs.c

/*
 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
 *
 * 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 "mt7603.h"

static int
mt7603_reset_read(struct seq_file *s, void *data)
{
	struct mt7603_dev *dev = dev_get_drvdata(s->private);
	static const char * const reset_cause_str[] = {
		[RESET_CAUSE_TX_HANG] = "TX hang",
		[RESET_CAUSE_TX_BUSY] = "TX DMA busy stuck",
		[RESET_CAUSE_RX_BUSY] = "RX DMA busy stuck",
		[RESET_CAUSE_RX_PSE_BUSY] = "RX PSE busy stuck",
		[RESET_CAUSE_BEACON_STUCK] = "Beacon stuck",
	};
	int i;

	for (i = 0; i < ARRAY_SIZE(reset_cause_str); i++) {
		if (!reset_cause_str[i])
			continue;

		seq_printf(s, "%20s: %u\n", reset_cause_str[i], dev->reset_cause[i]);
	}

	return 0;
}

void mt7603_init_debugfs(struct mt7603_dev *dev)
{
	struct dentry *dir;

	dir = mt76_register_debugfs(&dev->mt76);
	if (!dir)
		return;

	debugfs_create_devm_seqfile(dev->mt76.dev, "reset", dir, mt7603_reset_read);
}