USB: serial: xr: fix pin configuration

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Make sure that the modem pins are set up correctly when opening the
port to avoid leaving, for example, DTR and RTS configured as inputs,
which is the device default.

This is specifically needed to be able to control DTR and RTS when
hardware flow control is disabled.

Fixes: c2d405aa86 ("USB: serial: add MaxLinear/Exar USB to Serial driver")
Signed-off-by: Johan Hovold <johan@kernel.org>

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Johan Hovold 2021-01-21 11:29:21 +01:00

parent 465d3b3a0d

commit 0d05d7d913

1 changed files with 8 additions and 0 deletions

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drivers/usb/serial/xr_serial.c

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