As it is the only thing it does now. This is one of the future
serial_core hooks.
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
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
