serdev: ttyport: enforce tty-driver open() requirement

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[ Upstream commit dee7d0f3b2 ]

The tty-driver open routine is mandatory, but the serdev
tty-port-controller implementation did not treat it as such and would
instead fall back to calling tty_port_open() directly.

Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Johan Hovold 2017-10-16 15:06:19 +02:00 • committed by Greg Kroah-Hartman

parent 669ff2a9aa

commit b59dc14b0b

1 changed files with 10 additions and 4 deletions

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drivers/tty/serdev/serdev-ttyport.c

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