xhci: add helper that checks for unhandled events on a event ring

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Add unhandled_event_trb() that returns true in case xHC hardware has
written new event trbs to the event ring that driver has not yet handled.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-8-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Mathias Nyman 2024-02-16 16:09:33 -08:00 • committed by Greg Kroah-Hartman

parent 84ac5e4fa5

commit fbaf1889a3

1 changed files with 8 additions and 3 deletions

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drivers/usb/host/xhci-ring.c

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