* [PATCH] serial: atmel: honor CREAD in atmel_set_termios
@ 2026-05-01 8:13 Rakesh Alasyam
0 siblings, 0 replies; only message in thread
From: Rakesh Alasyam @ 2026-05-01 8:13 UTC (permalink / raw)
To: richard.genoud, gregkh, jirislaby
Cc: nicolas.ferre, alexandre.belloni, claudiu.beznea, linux-serial,
linux-kernel, linux-arm-kernel, Rakesh Alasyam
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@gmail.com>
---
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
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