1*4882a593SmuzhiyunWhat: /sys/devices/.../waiting_for_supplier 2*4882a593SmuzhiyunDate: May 2020 3*4882a593SmuzhiyunContact: Saravana Kannan <saravanak@google.com> 4*4882a593SmuzhiyunDescription: 5*4882a593Smuzhiyun The /sys/devices/.../waiting_for_supplier attribute is only 6*4882a593Smuzhiyun present when fw_devlink kernel command line option is enabled 7*4882a593Smuzhiyun and is set to something stricter than "permissive". It is 8*4882a593Smuzhiyun removed once a device probes successfully (because the 9*4882a593Smuzhiyun information is no longer relevant). The number read from it (0 10*4882a593Smuzhiyun or 1) reflects whether the device is waiting for one or more 11*4882a593Smuzhiyun suppliers to be added and then linked to using device links 12*4882a593Smuzhiyun before the device can probe. 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun A value of 0 means the device is not waiting for any suppliers 15*4882a593Smuzhiyun to be added before it can probe. A value of 1 means the device 16*4882a593Smuzhiyun is waiting for one or more suppliers to be added before it can 17*4882a593Smuzhiyun probe. 18