Use a local variable to dereference the device pointer once and use the
local variable in further calls. No functional changes.
Signed-off-by: NMarco Felsch <m.felsch@pengutronix.de>
Acked-by: NShengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/20220601092342.3328644-1-m.felsch@pengutronix.deSigned-off-by: NMark Brown <broonie@kernel.org>