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| H A D | cp210x.c | diff ed921771ffb65ce1f65d746fe8f88c0e0a829d76 Mon Nov 16 17:18:25 CET 2020 Johan Hovold <johan@kernel.org> USB: serial: cp210x: refactor flow-control handling
Add a helper function to be used to configure flow control.
The flow-control code was the last caller that relied on the
memset-on-failure behaviour of cp210x_read_reg_block(), which we can now
drop in favour of bailing out on errors when retrieving the flow-control
settings.
This should also simplify adding support for software flow control.
Signed-off-by: Johan Hovold <johan@kernel.org>
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