kernel - Handle ig4 controller startup errors
commit509820ba321e49047a986066f859158fa9ac5624
authorMatthew Dillon <dillon@apollo.backplane.com>
Tue, 16 Jan 2018 00:34:06 +0000 (15 16:34 -0800)
committerMatthew Dillon <dillon@apollo.backplane.com>
Tue, 16 Jan 2018 00:34:06 +0000 (15 16:34 -0800)
tree947c3e9d5bf5f4b06e06b0f62c8a3df897934a1d
parent7ce1da6a736446c2bb49379f6647bd0d5551b920
kernel - Handle ig4 controller startup errors

* Fail the attach on controller startup errors.  For some reason the
  dell xps 13 says there's I2C controller, but the controller appears
  to be permanente disabled and will refuse to enable.
sys/bus/smbus/ichiic/ig4_iic.c