serial: sh-sci: using correct fifo size for SCIF and SCIFA ports.
The sh-sci driver used the wrong fifosize for PORT_SCIFA and PORT_SCIF
ports. If an incorrect size is used, the serial core will enforce an
early shutdown on the port, especially with baudrates < 9600.
Signed-off-by: Markus Pietrek <Markus.Pietrek@emtrion.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 37f0de9..42f3333 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1052,7 +1052,18 @@
sci_port->port.ops = &sci_uart_ops;
sci_port->port.iotype = UPIO_MEM;
sci_port->port.line = index;
- sci_port->port.fifosize = 1;
+
+ switch (p->type) {
+ case PORT_SCIFA:
+ sci_port->port.fifosize = 64;
+ break;
+ case PORT_SCIF:
+ sci_port->port.fifosize = 16;
+ break;
+ default:
+ sci_port->port.fifosize = 1;
+ break;
+ }
if (dev) {
sci_port->iclk = p->clk ? clk_get(&dev->dev, p->clk) : NULL;