serial: sprd: Add loopback function support

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Add loopback function support for Spreadtrum serial controller.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Link: https://lore.kernel.org/r/1275cd9968f1ceb5ac049cc23f1e508025cd552f.1566375260.git.baolin.wang@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Baolin Wang 2019-08-21 20:39:09 +08:00 • committed by Greg Kroah-Hartman

parent 6cbdf5c659

commit 37ba760b6b

1 changed files with 9 additions and 1 deletions

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drivers/tty/serial/sprd_serial.c

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