Deren WuandFelix Fietkau 4602acc927 mt76: mt7921: fix dma hang in rmmod
The dma would be broken after rmmod flow. There are two different
cases causing this issue.
1. dma access without privilege.
2. hw access sequence borken by another context.

This patch handle both cases to avoid hw crash.

Fixes: 2b9ea5a8cf1bd ("mt76: mt7921: add mt7921_dma_cleanup in mt7921_unregister_device")
Signed-off-by: Deren Wu <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-08-13 12:26:54 +02:00
2021-04-14 09:12:11 +02:00
2021-04-11 12:49:17 +02:00
2021-08-13 12:25:36 +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%