From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Rohloff Subject: [PATCH v5] tty: serial: meson: allow baud-rates lower than 9600 Date: Sun, 5 Nov 2017 20:36:30 +0100 Message-ID: <20171105193630.8596-1-v10lator@myway.de> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-serial@vger.kernel.org Cc: Greg Kroah-Hartman , Jiri Slaby , Carlo Caione , Kevin Hilman , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: linux-serial@vger.kernel.org Devices like DCF77 receivers need the baud-rate to be as low as 50. I have tested this on a Meson GXL device with uart_A. Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: Carlo Caione Cc: Kevin Hilman Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Thomas Rohloff Reviewed-by: Neil Armstrong --- drivers/tty/serial/meson_uart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c index 07c0f98be3ac..e281ce5d101d 100644 --- a/drivers/tty/serial/meson_uart.c +++ b/drivers/tty/serial/meson_uart.c @@ -362,7 +362,7 @@ static void meson_uart_set_termios(struct uart_port *port, writel(val, port->membase + AML_UART_CONTROL); - baud = uart_get_baud_rate(port, termios, old, 9600, 4000000); + baud = uart_get_baud_rate(port, termios, old, 50, 4000000); meson_uart_change_speed(port, baud); port->read_status_mask = AML_UART_TX_FIFO_WERR; -- 2.13.6