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Commit 5af98bb0 authored by Sarah Sharp's avatar Sarah Sharp
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xhci: Warn when hosts don't halt.



Eric Fu reports a problem with his VIA host controller fetching a zeroed
event ring pointer on resume from suspend.  The host should have been
halted, but we can't be sure because that code ignores the return value
from xhci_halt().  Print a warning when the host controller refuses to
halt within XHCI_MAX_HALT_USEC (currently 16 seconds).

(Update: it turns out that the VIA host controller is reporting a halted
state when it fetches the zeroed event ring pointer.  However, we still
need this warning for other host controllers.)

Signed-off-by: default avatarSarah Sharp <sarah.a.sharp@linux.intel.com>
parent 4e833c0b
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