[PATCH 02/19] mxser: rename mxser_close_port() to mxser_stop_rx()
From: Jiri Slaby <hidden>
Date: 2021-11-18 07:31:38
Also in:
lkml
Subsystem:
moxa smartio/industio/intellio serial card, the rest, tty layer and serial drivers · Maintainers:
Jiri Slaby, Linus Torvalds, Greg Kroah-Hartman
As it is the only thing it does now. This is one of the future serial_core hooks. Signed-off-by: Jiri Slaby <redacted> --- drivers/tty/mxser.c | 17 +++++++---------- 1 file 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);
--
2.33.1