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(parent: 11b03ea) | patch
sc16is7xx: don't wipe out port configuration on shutdown
authorJakub Kicinski <kubakici@wp.pl>
Mon, 16 Mar 2015 23:28:47 +0000 (00:28 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 26 Mar 2015 21:38:36 +0000 (22:38 +0100)
commit9764e7a0f63bda5664cb985f992002c6eccef641
treeda2435a68792611c216e2f8dfee9e255e292aa75tree | snapshot (tar.gz zip)
parent11b03ea0c1ef1cd2df3e7ea0437a13e2dfb65f60commit | diff
sc16is7xx: don't wipe out port configuration on shutdown

EFCR register contains RS-485 configuration which should not
be changed by shutdown.  Instead of doing a write only update
the appropriate bits.

Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: Jon Ringle <jringle@gridpoint.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/sc16is7xx.c diff | blob | blame | history