Johan Hovold ed921771ff 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>
2020-12-04 14:57:27 +01:00
2020-10-25 15:14:11 -07:00

Linux kernel
============

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