Files
mt76/mt7603/debugfs.c
T
Felix Fietkau 417cf49ce8 mt7603: improve recovery from MCU hang
Fix forcing watchdog reset after a MCU hang
Run watchdog work immediately after a failed channel change

Signed-off-by: Felix Fietkau <[email protected]>
2018-11-07 18:46:47 +01:00

57 lines
1.7 KiB
C

/* SPDX-License-Identifier: ISC */
/*
* Copyright (C) 2016 Felix Fietkau <[email protected]>
*
* 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",
[RESET_CAUSE_MCU_HANG] = "MCU hang",
};
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_u32("reset_test", 0600, dir, &dev->reset_test);
debugfs_create_devm_seqfile(dev->mt76.dev, "reset", dir,
mt7603_reset_read);
}