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

Jorge Ramirez-Ortiz
2015-02-18T20:07:49Z

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@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