[U-Boot] [PATCH 24/31] dm: serial: Add support for of-platdata

Simon Glass sjg at chromium.org
Wed Jun 8 04:48:02 CEST 2016


When this feature is enabled, we cannot access the device tree to find out
which serial device to use. Just use the first serial driver we find.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 drivers/serial/serial-uclass.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c
index 0ce5c44..19f38e1 100644
--- a/drivers/serial/serial-uclass.c
+++ b/drivers/serial/serial-uclass.c
@@ -33,7 +33,13 @@ static void serial_find_console_or_panic(void)
 	struct udevice *dev;
 	int node;
 
-	if (CONFIG_IS_ENABLED(OF_CONTROL) && blob) {
+	if (CONFIG_IS_ENABLED(OF_PLATDATA)) {
+		uclass_first_device(UCLASS_SERIAL, &dev);
+		if (dev) {
+			gd->cur_serial_dev = dev;
+			return;
+		}
+	} else if (CONFIG_IS_ENABLED(OF_CONTROL) && blob) {
 		/* Check for a chosen console */
 		node = fdtdec_get_chosen_node(blob, "stdout-path");
 		if (node < 0) {
-- 
2.8.0.rc3.226.g39d4020



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