[U-Boot] [PATCH v2 24/55] dm: serial: Add support for of-platdata
Simon Glass
sjg at chromium.org
Mon Jun 13 07:33:05 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>
---
Changes in v2: None
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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