Message ID | 9c71befbdf8a97f72f4538c39a71041ccffbaf83.1629685207.git.objelf@gmail.com (mailing list archive) |
---|---|
State | Accepted |
Delegated to: | Felix Fietkau |
Headers | show |
Series | mt76: mt7921: fix the inconsistent state between bind and unbind | expand |
On Mon, Aug 23, 2021 at 10:27 AM <sean.wang@mediatek.com> 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 <YN.Chen@mediatek.com> > Signed-off-by: YN Chen <YN.Chen@mediatek.com> > Signed-off-by: Sean Wang <sean.wang@mediatek.com> Tested-by: Chen-Yu Tsai <wenst@chromium.org>
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index 1f37e64b6038..3e84ef8f5358 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -279,7 +279,6 @@ void mt7921_unregister_device(struct mt7921_dev *dev) mt7921_mcu_drv_pmctrl(dev); mt7921_dma_cleanup(dev); mt7921_mcu_exit(dev); - mt7921_mcu_fw_pmctrl(dev); tasklet_disable(&dev->irq_tasklet); mt76_free_device(&dev->mt76);