[PATCH] serial: atmel: honor CREAD in atmel_set_termios

From: Rakesh Alasyam

Date: Fri May 01 2026 - 04:13:56 EST


Ignore received characters when CREAD is cleared by adding RXRDY
to ignore_status_mask.

This replaces an existing TODO in the driver.

Signed-off-by: Rakesh Alasyam <alasyamrakesh77@xxxxxxxxx>
---
drivers/tty/serial/atmel_serial.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 5d8c1cfc1c60..5b062d8ccabe 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -2184,8 +2184,8 @@ static void atmel_set_termios(struct uart_port *port,
if (termios->c_iflag & IGNPAR)
port->ignore_status_mask |= ATMEL_US_OVRE;
}
- /* TODO: Ignore all characters if CREAD is set.*/
-
+ if (!(termios->c_cflag & CREAD))
+ port->ignore_status_mask |= ATMEL_US_RXRDY;
/* update the per-port timeout */
uart_update_timeout(port, termios->c_cflag, baud);

--
2.43.0