On Fri, Sep 06, 2024 at 08:58:53AM +0200, Christian A. Ehrhardt wrote: > If the busy indicator is set, all other fields in CCI should be > clear according to the spec. However, some UCSI implementations do > not follow this rule and report bogus data in CCI along with the > busy indicator. Ignore the contents of CCI if the busy indicator is > set. > > If a command timeout is hit it is possible that the EVENT_PENDING > bit is cleared while connector work is still scheduled which can > cause the EVENT_PENDING bit to go out of sync with scheduled connector > work. Check and set the EVENT_PENDING bit on entry to > ucsi_handle_connector_change() to fix this. > > Finally, check UCSI_CCI_BUSY before the return code of ->sync_control. > This ensures that the command is cancelled even if ->sync_control > returns an error (most likely -ETIMEDOUT). > > Reported-by: Anurag Bijea <icaliberdev@xxxxxxxxx> > Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219108 > Bisected-by: Christian Heusel <christian@xxxxxxxxx> > Tested-by: Anurag Bijea <icaliberdev@xxxxxxxxx> > Fixes: de52aca4d9d5 ("usb: typec: ucsi: Never send a lone connector change ack") > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Christian A. Ehrhardt <lk@xxxxxxx> > --- > drivers/usb/typec/ucsi/ucsi.c | 18 ++++++++++++------ > 1 file changed, 12 insertions(+), 6 deletions(-) Does not apply to my usb-next branch :( Can you rebase and resend this? Or wait until -rc1 is out and rebase and resend then? thanks, greg k-h
