Re: [PATCH] USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem

2021-03-19 Thread Vincent Palatin
On Fri, Mar 19, 2021 at 1:41 PM Vincent Palatin wrote: > > This LTE modem (M.2 card) has a bug in its power managment: > there is some kind of race condition for U3 wake-up between the host and > the device. The modem firmware sometimes crashes/locks when both events > happen at the same time and

[PATCH] USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem

2021-03-19 Thread Vincent Palatin
This LTE modem (M.2 card) has a bug in its power managment: there is some kind of race condition for U3 wake-up between the host and the device. The modem firmware sometimes crashes/locks when both events happen at the same time and the modem fully drops off the USB bus (and sometimes re-enumerates