[PATCH 2/2] drivers/tty: pl011: read fifo size from OF if present

[Jorge Ramirez-Ortiz]

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz at linaro.org>
---
 drivers/tty/serial/amba-pl011.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 02016fc..c6a2dd8 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -84,6 +84,11 @@ struct vendor_data {
 
 static unsigned int get_fifosize_arm(struct amba_device *dev)
 {
+	u32 val;
+
+	if (!of_property_read_u32(dev->dev.of_node, "fifo-size", &val))
+		return val;
+
 	return amba_rev(dev) < 3 ? 16 : 32;
 }
 
-- 
1.9.1