Hi Heikki, On Mon, 2021-06-07 at 16:14 +0300, Heikki Krogerus wrote: > This is the RFC series I promised [1]. Cool. > I'm sorry it took this long to prepare these. I had to concentrate on > other task for a while. > > Let me know if you still see any problems. Hmm, I am not sure this got better. I applied the patchset on top of of the 5.12.9 Fedora 34 kernel. On the machine in question (X1 Carbon 8), I see the online state getting stuck at 1 occasionally. This can happen for example when quickly plugging and unplugging a USB-C charger. Benjamin > [1] > https://lore.kernel.org/linux-usb/YKT3oEt%2F9fX8k8mw@xxxxxxxxxxxxxxxxx/ > > thanks, > > Heikki Krogerus (7): > usb: typec: ucsi: Always cancel the command if PPM reports BUSY > condition > usb: typec: ucsi: Don't stop alt mode registration on busy > condition > usb: typec: ucsi: Add poll worker for alternate modes > usb: typec: ucsi: acpi: Reduce the command completion timeout > usb: typec: ucsi: Process every connector change as unique > connector > state > usb: typec: ucsi: Filter out spurious events > usb: typec: ucsi: Read the PDOs in separate work > > drivers/usb/typec/ucsi/ucsi.c | 317 ++++++++++++++++----------- > -- > drivers/usb/typec/ucsi/ucsi.h | 3 +- > drivers/usb/typec/ucsi/ucsi_acpi.c | 2 +- > 3 files changed, 183 insertions(+), 139 deletions(-) >
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