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dm: serial: Add support for of-platdata

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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@chromium.org>
This commit is contained in:
Simon Glass 2016-07-04 11:58:04 -06:00
parent 7423daa60e
commit b484b0daef
1 changed files with 7 additions and 1 deletions
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8
drivers/serial/serial-uclass.c
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@ -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) {