This is in preparation for restoring saved tuning parameters
when resuming the TMIO driver.
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>
Acked-by: NWolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: NWolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>