Re: [PATCH v2 3/3] USB: cdc-acm: fix TIOCGSERIAL implementation

Am Donnerstag, den 08.04.2021, 15:16 +0200 schrieb Johan Hovold: > TIOCSSERIAL is a horrid, underspecified, legacy interface which for most > serial devices is only useful for setting the close_delay and > closing_wait parameters. > > The xmit_fifo_size parameter could be used to set the hardware

[PATCH v2 3/3] USB: cdc-acm: fix TIOCGSERIAL implementation

TIOCSSERIAL is a horrid, underspecified, legacy interface which for most serial devices is only useful for setting the close_delay and closing_wait parameters. The xmit_fifo_size parameter could be used to set the hardware transmit fifo size of a legacy UART when it could not be detected, but the