If puts() or printf() is called before the console is ready, U-Boot will
either hang or die. This adds a check for this so that debug() can be used
in early code without concern that it will hang.
U-Boot boots properly
Tested-by: Simon Glass <s...@chromium.org>
Signed-off-by: Simon Glass <s...@chromium.org>
---
common/console.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/common/console.c b/common/console.c
index 8c650e0..28ddb95 100644
--- a/common/console.c
+++ b/common/console.c
@@ -338,7 +338,7 @@ void putc(const char c)
if (gd->flags & GD_FLG_DEVINIT) {
/* Send to the standard output */
fputc(stdout, c);
- } else {
+ } else if (gd->have_console) {
/* Send directly to the handler */
serial_putc(c);
}
@@ -359,7 +359,7 @@ void puts(const char *s)
if (gd->flags & GD_FLG_DEVINIT) {
/* Send to the standard output */
fputs(stdout, s);
- } else {
+ } else if (gd->have_console) {
/* Send directly to the handler */
serial_puts(s);
}
--
1.7.3.1
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