On Mon, Aug 23, 2021 at 10:27 AM [off-list ref] wrote:

From: Sean Wang <sean.wang@mediatek.com>

We shouldn't put back the device into fw own state after wifi reset at
driver unbind stage to fix the following error because that is not the
consistent state the current driver bind stage expects.

localhost ~ # echo 0000:01:00.0 > /sys/bus/pci/drivers/mt7921e/unbind
localhost ~ # echo 0000:01:00.0 > /sys/bus/pci/drivers/mt7921e/bind
...
[  481.172969] mt7921e 0000:01:00.0: ASIC revision: feed0000
[  482.133547] mt7921e: probe of 0000:01:00.0 failed with error -110
-bash: echo: write error: No such device

Fixes: c1af184ba830 ("mt76: mt7921: fix dma hang in rmmod")
Co-developed-by: YN Chen <redacted>
Signed-off-by: YN Chen <redacted>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>

Tested-by: Chen-Yu Tsai <wenst@chromium.org>