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authorThomas Rohloff <v10lator@myway.de>2017-11-05 22:36:30 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-11-08 15:23:51 +0300
commit9b11f19e414b1d1314ee581e8c1e084bced8e5cc (patch)
treea11867d960da0f3bb34619db4059796102d5115b /drivers/tty
parent07a708f0a16f040b319db647452bcb8884cd04be (diff)
downloadlinux-9b11f19e414b1d1314ee581e8c1e084bced8e5cc.tar.xz
tty: serial: meson: allow baud-rates lower than 9600
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: Jiri Slaby <jslaby@suse.com> Cc: Carlo Caione <carlo@caione.org> Cc: Kevin Hilman <khilman@baylibre.com> Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Thomas Rohloff <v10lator@myway.de> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/meson_uart.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
index 7bdd82df5dc9..daafe60175da 100644
--- a/drivers/tty/serial/meson_uart.c
+++ b/drivers/tty/serial/meson_uart.c
@@ -367,7 +367,7 @@ 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;