On Tue, 2022-11-29 at 01:11 +0000, Deren Wu (武德仁) wrote: > Hi Felix > > On Mon, 2022-11-28 at 10:26 +0100, Felix Fietkau wrote: > > On 25.11.22 08:36, Deren Wu wrote: > > > From: Leon Yen <Leon.Yen@xxxxxxxxxxxx> > > > > > > Some combinations of hosts cannnot detect mt7921e after reboot. > > > The > > > interoperability issue is caused by the status mismatch between > > > host > > > and chip fw. In such cases, the driver should stop chip > > > activities > > > and reset chip to default state before reboot. > > > > > > Co-developed-by: Deren Wu <deren.wu@xxxxxxxxxxxx> > > > Signed-off-by: Deren Wu <deren.wu@xxxxxxxxxxxx> > > > Signed-off-by: Leon Yen <Leon.Yen@xxxxxxxxxxxx> > > > > This doesn't just affect mt7921. There are some platforms where > > similar > > issues have been reported with mt7915 or mt7615. > > I think we should move some parts of this to mt76 (and mt76-connac) > > core. > > > > - Felix > > > > Sure, I will post mt76 arch + mt7921e implement in v2. > > Regards, > Deren This is an userful finding. mt7915 still calls wfsys_reset at the beginning of probe() to deal with bootup/module_reload issues. Ryder
