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authorMarkus Pietrek <Markus.Pietrek@emtrion.de>2010-01-15 08:33:20 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-01-15 08:33:20 +0900
commit75136d48e85915fd78a072f22897622b5d4c1814 (patch)
tree4ec35fb2c0e53ddd69dbe80615be35f87caeaa9d /drivers/serial
parentea4407834118405ef419e9b07794ceacadc01bae (diff)
downloadop-kernel-dev-75136d48e85915fd78a072f22897622b5d4c1814.zip
op-kernel-dev-75136d48e85915fd78a072f22897622b5d4c1814.tar.gz
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>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/sh-sci.c13
1 files changed, 12 insertions, 1 deletions
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 @@ 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;
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