[111/119] tty/of_serial: add missing ns16550a id

[Greg KH]

2.6.31-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Michal Simek <monstr@xxxxxxxxx>

commit 16173c7c2d79da7eb89b41acfdebd74b130f4339 upstream.

Many boards have a bug-free ns16550 compatible serial port, which we should
register as PORT_16550A. This introduces a new value "ns16550a" for the
compatible property of of_serial to let a firmware choose that model instead
of using the crippled PORT_16550 mode.

Reported-by: Alon Ziv <alonz@xxxxxxxxxxx>
Signed-off-by: Michal Simek <monstr@xxxxxxxxx>
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/serial/of_serial.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/serial/of_serial.c
+++ b/drivers/serial/of_serial.c
@@ -161,6 +161,7 @@ static int of_platform_serial_remove(str
 static struct of_device_id __devinitdata of_platform_serial_table[] = {
 	{ .type = "serial", .compatible = "ns8250",   .data = (void *)PORT_8250, },
 	{ .type = "serial", .compatible = "ns16450",  .data = (void *)PORT_16450, },
+	{ .type = "serial", .compatible = "ns16550a", .data = (void *)PORT_16550A, },
 	{ .type = "serial", .compatible = "ns16550",  .data = (void *)PORT_16550, },
 	{ .type = "serial", .compatible = "ns16750",  .data = (void *)PORT_16750, },
 	{ .type = "serial", .compatible = "ns16850",  .data = (void *)PORT_16850, },


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