1*a4d6a298SRaul E RangelWhat:		Raise a uevent when a USB Host Controller has died
2*a4d6a298SRaul E RangelDate:		2019-04-17
3*a4d6a298SRaul E RangelKernelVersion:	5.2
4*a4d6a298SRaul E RangelContact:	linux-usb@vger.kernel.org
5*a4d6a298SRaul E RangelDescription:	When the USB Host Controller has entered a state where it is no
6*a4d6a298SRaul E Rangel		longer functional a uevent will be raised. The uevent will
7*a4d6a298SRaul E Rangel		contain ACTION=offline and ERROR=DEAD.
8*a4d6a298SRaul E Rangel
9*a4d6a298SRaul E Rangel		Here is an example taken using udevadm monitor -p:
10*a4d6a298SRaul E Rangel
11*a4d6a298SRaul E Rangel		KERNEL[130.428945] offline  /devices/pci0000:00/0000:00:10.0/usb2 (usb)
12*a4d6a298SRaul E Rangel		ACTION=offline
13*a4d6a298SRaul E Rangel		BUSNUM=002
14*a4d6a298SRaul E Rangel		DEVNAME=/dev/bus/usb/002/001
15*a4d6a298SRaul E Rangel		DEVNUM=001
16*a4d6a298SRaul E Rangel		DEVPATH=/devices/pci0000:00/0000:00:10.0/usb2
17*a4d6a298SRaul E Rangel		DEVTYPE=usb_device
18*a4d6a298SRaul E Rangel		DRIVER=usb
19*a4d6a298SRaul E Rangel		ERROR=DEAD
20*a4d6a298SRaul E Rangel		MAJOR=189
21*a4d6a298SRaul E Rangel		MINOR=128
22*a4d6a298SRaul E Rangel		PRODUCT=1d6b/2/414
23*a4d6a298SRaul E Rangel		SEQNUM=2168
24*a4d6a298SRaul E Rangel		SUBSYSTEM=usb
25*a4d6a298SRaul E Rangel		TYPE=9/0/1
26*a4d6a298SRaul E Rangel
27*a4d6a298SRaul E RangelUsers:		chromium-os-dev@chromium.org
28