1a4d6a298SRaul E RangelWhat:		Raise a uevent when a USB Host Controller has died
2a4d6a298SRaul E RangelDate:		2019-04-17
3a4d6a298SRaul E RangelKernelVersion:	5.2
4a4d6a298SRaul E RangelContact:	linux-usb@vger.kernel.org
5a4d6a298SRaul E RangelDescription:	When the USB Host Controller has entered a state where it is no
6a4d6a298SRaul E Rangel		longer functional a uevent will be raised. The uevent will
7a4d6a298SRaul E Rangel		contain ACTION=offline and ERROR=DEAD.
8a4d6a298SRaul E Rangel
954a19b4dSMauro Carvalho Chehab		Here is an example taken using udevadm monitor -p::
10a4d6a298SRaul E Rangel
11a4d6a298SRaul E Rangel		    KERNEL[130.428945] offline  /devices/pci0000:00/0000:00:10.0/usb2 (usb)
12a4d6a298SRaul E Rangel		    ACTION=offline
13a4d6a298SRaul E Rangel		    BUSNUM=002
14a4d6a298SRaul E Rangel		    DEVNAME=/dev/bus/usb/002/001
15a4d6a298SRaul E Rangel		    DEVNUM=001
16a4d6a298SRaul E Rangel		    DEVPATH=/devices/pci0000:00/0000:00:10.0/usb2
17a4d6a298SRaul E Rangel		    DEVTYPE=usb_device
18a4d6a298SRaul E Rangel		    DRIVER=usb
19a4d6a298SRaul E Rangel		    ERROR=DEAD
20a4d6a298SRaul E Rangel		    MAJOR=189
21a4d6a298SRaul E Rangel		    MINOR=128
22a4d6a298SRaul E Rangel		    PRODUCT=1d6b/2/414
23a4d6a298SRaul E Rangel		    SEQNUM=2168
24a4d6a298SRaul E Rangel		    SUBSYSTEM=usb
25a4d6a298SRaul E Rangel		    TYPE=9/0/1
26a4d6a298SRaul E Rangel
27a4d6a298SRaul E RangelUsers:		chromium-os-dev@chromium.org
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