1*da6d6475SSaravana KannanWhat: /sys/devices/.../waiting_for_supplier 2*da6d6475SSaravana KannanDate: May 2020 3*da6d6475SSaravana KannanContact: Saravana Kannan <saravanak@google.com> 4*da6d6475SSaravana KannanDescription: 5*da6d6475SSaravana Kannan The /sys/devices/.../waiting_for_supplier attribute is only 6*da6d6475SSaravana Kannan present when fw_devlink kernel command line option is enabled 7*da6d6475SSaravana Kannan and is set to something stricter than "permissive". It is 8*da6d6475SSaravana Kannan removed once a device probes successfully (because the 9*da6d6475SSaravana Kannan information is no longer relevant). The number read from it (0 10*da6d6475SSaravana Kannan or 1) reflects whether the device is waiting for one or more 11*da6d6475SSaravana Kannan suppliers to be added and then linked to using device links 12*da6d6475SSaravana Kannan before the device can probe. 13*da6d6475SSaravana Kannan 14*da6d6475SSaravana Kannan A value of 0 means the device is not waiting for any suppliers 15*da6d6475SSaravana Kannan to be added before it can probe. A value of 1 means the device 16*da6d6475SSaravana Kannan is waiting for one or more suppliers to be added before it can 17*da6d6475SSaravana Kannan probe. 18