diff options
| author | Pali Rohár <pali@kernel.org> | 2022-09-05 11:31:20 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-09-24 11:34:38 -0400 |
| commit | 989cc40f806b68678e10203ec3b63d38d0fdd6eb (patch) | |
| tree | d50599477f4272ec2815939caaea122ae290be90 /drivers/serial | |
| parent | 78b5243182be8fa222f6d496e7d49675fde4d09e (diff) | |
serial: Call flush() before changing baudrate
Changing baudrate is a sensitive operation. To ensure that U-Boot messages
printed before changing baudrate are not lost, call new U-Boot console
flush() function.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial-uclass.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c index 53df10ee85..da3e1eb3ab 100644 --- a/drivers/serial/serial-uclass.c +++ b/drivers/serial/serial-uclass.c @@ -476,6 +476,7 @@ static int on_baudrate(const char *name, const char *value, enum env_op op, printf("## Switch baudrate to %d bps and press ENTER ...\n", baudrate); udelay(50000); + flush(); } gd->baudrate = baudrate; |