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authorJohan Hovold <johan@kernel.org>2020-01-14 12:01:45 +0100
committerJohan Hovold <johan@kernel.org>2020-01-17 11:27:54 +0100
commita00e7182308f41cac1aa071912ff7a16797dade9 (patch)
treebfc46973799e3c7f41fee60f414f93c5a9180774 /drivers/Kconfig
parentb3a987b0264d3ddbb24293ebff10eddfc472f653 (diff)
USB: serial: opticon: add chars_in_buffer() implementation
Add a chars_in_buffer() implementation so that the tty layer will wait for outgoing buffered data to be drained when needed (e.g. on final close()). Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/Kconfig')
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