Use the new IRQF_NO_AUTOEN flag when requesting the IRQ, rather then
disabling it immediately after requesting it.

This fixes a possible race where the IRQ might trigger between requesting
and disabling it; and this also leads to a small code cleanup.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211003132255.31743-2-hdegoede@redhat.comSigned-off-by: NMark Brown <broonie@kernel.org>