diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2021-11-18 08:31:08 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-25 18:33:21 +0100 |
| commit | 568a2b9c1289dc090019d727b9af2285bc637353 (patch) | |
| tree | e636ba23dc2927193fd7a16f09b3a2f5ce7ee375 /drivers/tty | |
| parent | e25ed43b4b603c1f7727bfede684b165dc5cd18c (diff) | |
| download | linux-568a2b9c1289dc090019d727b9af2285bc637353.tar.bz2 | |
mxser: rename mxser_close_port() to mxser_stop_rx()
As it is the only thing it does now. This is one of the future
serial_core hooks.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20211118073125.12283-3-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/mxser.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index f9615245a60a..e9248d39879c 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -874,16 +874,13 @@ static void mxser_flush_buffer(struct tty_struct *tty) tty_wakeup(tty); } - -static void mxser_close_port(struct tty_port *port) +/* + * To stop accepting input, we disable the receive line status interrupts, and + * tell the interrupt driver to stop checking the data ready bit in the line + * status register. + */ +static void mxser_stop_rx(struct mxser_port *info) { - struct mxser_port *info = container_of(port, struct mxser_port, port); - /* - * At this point we stop accepting input. To do this, we - * disable the receive line status interrupts, and tell the - * interrupt driver to stop checking the data ready bit in the - * line status register. - */ info->IER &= ~UART_IER_RLSI; if (info->board->must_hwid) info->IER &= ~MOXA_MUST_RECV_ISR; @@ -908,7 +905,7 @@ static void mxser_close(struct tty_struct *tty, struct file *filp) return; info->closing = 1; mutex_lock(&port->mutex); - mxser_close_port(port); + mxser_stop_rx(info); mxser_flush_buffer(tty); if (tty_port_initialized(port) && C_HUPCL(tty)) tty_port_lower_dtr_rts(port); |