It seems this flag is intended to pass to irq_set_status_flags, not request_irq, and is not available on all architectures. Its value corresponds to IRQF_PROBE_SHARED, which shouldn't be needed for this driver, so removing this flag should be safe. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>