Lorenzo BianconiandFelix Fietkau 53d915a23b mt76: connac: do not schedule wake_work if the runtime-pm is disabled
Fix the following crash due to a call to mt7921_pm_wake_work if the
device has pm disabled or does not support runtime-pm

[    8.412590] mt7921e 0000:01:00.0: HW/SW Version: 0x8a108a10, Build
[    8.413660] WARNING: CPU: 0 PID: 20 at __queue_delayed_work+0x84/0xb0
[    8.481831] CPU: 0 PID: 20 Comm: kworker/u4:1 Not tainted 5.10.31 #0
[    8.488175] Hardware name: MediaTek MT7622 RFB1 board (DT)
[    8.493663] Workqueue: mt76 mt7921_pm_wake_work [mt7921e]
[    8.499055] pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--)
[    8.505052] pc : __queue_delayed_work+0x84/0xb0
[    8.509574] lr : queue_delayed_work_on+0x54/0x78
[    8.514180] sp : ffffffc010bcbd20
[    8.517485] x29: ffffffc010bcbd20 x28: 0000000000000000
[    8.522790] x27: ffffff800015a148 x26: ffffffc0108acae0
[    8.528094] x25: 0000000000000000 x24: ffffff80056b4208
[    8.533399] x23: ffffff80056b26e0 x22: ffffff80056b26e0
[    8.538703] x21: ffffff80056b45f8 x20: ffffff80056b5dc8
[    8.544006] x19: 0000000000000000 x18: 000000000000000e
[    8.549310] x17: 0000000000000001 x16: 0000000000000019
[    8.554614] x15: 0000000000000033 x14: ffffffffffffffff
[    8.559919] x13: ffffffffffffffff x12: 0000000000000000
[    8.565223] x11: 0000000000000040 x10: 0000000000000820
[    8.570528] x9 : 0000b3c738feafd6 x8 : ffffff801feb7c80
[    8.575832] x7 : ffffff80056b4808 x6 : 0000000000000000
[    8.581136] x5 : ffffff80056b2888 x4 : 0000000fffffffe0
[    8.586441] x3 : 000000000000003e x2 : ffffff80056b2868
[    8.591745] x1 : 0000000000000000 x0 : 0000000000000002
[    8.597049] Call trace:
[    8.599488]  __queue_delayed_work+0x84/0xb0
[    8.603662]  queue_delayed_work_on+0x54/0x78
[    8.607947]  ieee80211_queue_delayed_work+0x30/0x50 [mac80211]
[    8.613774]  mt7921_pm_wake_work+0xa0/0xe0 [mt7921e]
[    8.618730]  process_one_work+0x1fc/0x398
[    8.622730]  worker_thread+0x150/0x4e0
[    8.626472]  kthread+0x120/0x128
[    8.629693]  ret_from_fork+0x10/0x18

Fixes: 129fac01ffe85 ("mt76: connac: introduce wake counter for fw_pmctrl synchronization")
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-04-23 16:41:16 +02:00
2021-04-14 09:12:11 +02:00
2021-04-11 12:49:17 +02:00
2021-04-17 11:19:58 +02:00
2021-01-14 11:14:59 +01:00
2021-01-14 11:14:59 +01:00
2020-06-16 22:05:14 +02:00
2019-08-22 09:26:30 +02:00
S
Description
mac80211 driver for MediaTek MT76x0e, MT76x2e, MT7603, MT7615, MT7628 and MT7688
BSD-3-Clause
105 MiB
Languages
C 99.7%
Perl 0.2%
Makefile 0.1%