[ Upstream commit e2115ace4196bcd2126446fb874bcfc90cba79be ]

And don't reimplement in the driver.
Signed-off-by: NWolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: NShawn Guo <shawnguo@kernel.org>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
Signed-off-by: NSasha Levin <sashal@kernel.org>