| commit | 3a0ab62f43de5c6ec55fb9d6721168602008142a | [log] [tgz] |
|---|---|---|
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | Fri Mar 02 11:07:20 2018 +0100 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Fri Mar 09 10:21:01 2018 -0800 |
| tree | c57e3c5448196442e1b6c61e1728f71505183126 | |
| parent | 27c844261b87f85f23784e78170883092428e5a1 [diff] |
serial: imx: implement shadow registers for UCRx and UFCR This reduces the amount of read accesses to the register space by shadowing the values for five registers that only change on writing them. There is a single bit in UCR2 that might change without being written to it, this is handled accordingly. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>