diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2023-03-07 18:51:11 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-03-08 16:46:55 +0300 |
| commit | af0f46e5b9a462aaa1d76e82781a5316f03828eb (patch) | |
| tree | 4b3bb6eb08adbae96f807560b5a5d3d945262919 /sound | |
| parent | a7ee5b426fb66f5eab1790339f1c722060d3d6fc (diff) | |
| download | linux-af0f46e5b9a462aaa1d76e82781a5316f03828eb.tar.xz | |
ASoC: da7219: Initialize jack_det_mutex
The following traceback is reported if mutex debugging is enabled.
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 0 PID: 17 at kernel/locking/mutex.c:950 __mutex_lock_common+0x31c/0x11d4
Modules linked in:
CPU: 0 PID: 17 Comm: kworker/0:1 Not tainted 5.10.172-lockdep-21846-g849884cfca5a #1 fd2de466502012eb58bc8beb467f07d0b925611f
Hardware name: MediaTek kakadu rev0/rev1 board (DT)
Workqueue: events da7219_aad_jack_det_work
pstate: 60400005 (nZCv daif +PAN -UAO -TCO BTYPE=--)
pc : __mutex_lock_common+0x31c/0x11d4
lr : __mutex_lock_common+0x31c/0x11d4
sp : ffffff80c0317ae0
x29: ffffff80c0317b50 x28: ffffff80c0317b20
x27: 0000000000000000 x26: 0000000000000000
x25: 0000000000000000 x24: 0000000100000000
x23: ffffffd0121d296c x22: dfffffd000000000
x21: 0000000000000000 x20: 0000000000000000
x19: ffffff80c73d7190 x18: 1ffffff018050f52
x17: 0000000000000000 x16: 0000000000000000
x15: 0000000000000000 x14: 0000000000000000
x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000
x9 : 83f0d991da544b00 x8 : 83f0d991da544b00
x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffffff80c03176a0 x4 : 0000000000000000
x3 : ffffffd01067fd78 x2 : 0000000100000000
x1 : ffffff80c030ba80 x0 : 0000000000000028
Call trace:
__mutex_lock_common+0x31c/0x11d4
mutex_lock_nested+0x98/0xac
da7219_aad_jack_det_work+0x54/0xf0
process_one_work+0x6cc/0x19dc
worker_thread+0x458/0xddc
kthread+0x2fc/0x370
ret_from_fork+0x10/0x30
irq event stamp: 579
hardirqs last enabled at (579): [<ffffffd012442b30>] exit_to_kernel_mode+0x108/0x138
hardirqs last disabled at (577): [<ffffffd010001144>] __do_softirq+0x53c/0x125c
softirqs last enabled at (578): [<ffffffd01009995c>] __irq_exit_rcu+0x264/0x4f4
softirqs last disabled at (573): [<ffffffd01009995c>] __irq_exit_rcu+0x264/0x4f4
---[ end trace 26da674636181c40 ]---
Initialize the mutex to fix the problem.
Cc: David Rau <David.Rau.opensource@dm.renesas.com>
Fixes: 7fde88eda855 ("ASoC: da7219: Improve the IRQ process to increase the stability")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230307155111.1985522-1-linux@roeck-us.net
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/da7219-aad.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c index 4a4f09f924bc..e3d398b8f54e 100644 --- a/sound/soc/codecs/da7219-aad.c +++ b/sound/soc/codecs/da7219-aad.c @@ -968,6 +968,8 @@ int da7219_aad_init(struct snd_soc_component *component) INIT_WORK(&da7219_aad->hptest_work, da7219_aad_hptest_work); INIT_WORK(&da7219_aad->jack_det_work, da7219_aad_jack_det_work); + mutex_init(&da7219_aad->jack_det_mutex); + ret = request_threaded_irq(da7219_aad->irq, da7219_aad_pre_irq_thread, da7219_aad_irq_thread, IRQF_TRIGGER_LOW | IRQF_ONESHOT, |