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| /openbmc/linux/drivers/usb/serial/ |
| H A D | cp210x.c | diff de9c7e9f278492cee9f217ffc339a398536c7e51 Mon Jul 13 05:55:15 CDT 2020 Johan Hovold <johan@kernel.org> USB: serial: cp210x: add support for TIOCGICOUNT
Enable TIOCGICOUNT to allow reading out the (unused) interrupt counters
and error statistics.
Note that modem-status events are currently left unimplemented as they
appear to be buffered on at least CP2102 and therefore cannot be used to
implement TIOCMIWAIT.
Link: https://lore.kernel.org/r/20200713105517.27796-4-johan@kernel.org
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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