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

Message ID 1424285593-2886-3-git-send-email-jorge.ramirez-ortiz@linaro.org
State New
Headers show

Commit Message

Jorge Ramirez-Ortiz Feb. 18, 2015, 6:53 p.m. UTC 
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
---
 drivers/tty/serial/amba-pl011.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox

Patch

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 02016fc..23fef63 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -84,6 +84,12 @@  struct vendor_data {
 
 static unsigned int get_fifosize_arm(struct amba_device *dev)
 {
+	const void *prop;
+
+	prop = of_get_property(dev->dev.of_node, "fifo-size", NULL);
+	if (prop)
+		return of_read_ulong(prop, 1);
+
 	return amba_rev(dev) < 3 ? 16 : 32;
 }