[PATCH 1/3] serial: 8250: Allow probe drivers to ignore tx_loadsz

Heikki Krogerus
2013-03-25T11:34:53Z

In most cases the tx_loadsz is the same as fifosize. This
will store the fifosize in it if it was not separately
delivered from the driver.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---
drivers/tty/serial/8250/8250.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c
index cf6a538..19ebbdf 100644
--- a/drivers/tty/serial/8250/8250.c
+++ b/drivers/tty/serial/8250/8250.c
@@ -3247,6 +3247,10 @@ int serial8250_register_8250_port(struct uart_8250_port *up)
uart->tx_loadsz = up->tx_loadsz;
uart->capabilities = up->capabilities;

+ /* Take tx_loadsz from fifosize if it wasn't set separately */
+ if (uart->port.fifosize && !uart->tx_loadsz)
+ uart->tx_loadsz = uart->port.fifosize;
+
if (up->port.dev)
uart->port.dev = up->port.dev;

--
1.7.10.4