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>

1 files changed, 12 insertions, 1 deletions

diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 37f0de9dd9ce..42f3333c4ad0 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1052,7 +1052,18 @@ static void __devinit sci_init_single(struct platform_device *dev,
         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;