Bill Richardson 71133a0d80 Cr50: Fix uart_tx_flush() to really flush
We were just checking to see if the UART TX unit was idle. We
also need to be sure there aren't any bytes in the TX FIFO that
haven't been clocked out yet.

BUG=none
BRANCH=none
TEST=make buildall, manual

Before, "crash watchdog" would truncate the trace dump as it
rebooted. Now it doesn't.

Change-Id: Icff828445801ce61a0a8f296b3d3e9fb300b7efc
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/311299
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
2015-11-10 22:39:23 +00:00
2015-11-10 06:54:43 -08:00
2015-05-07 00:00:47 +00:00
2015-11-10 06:54:43 -08:00
2015-11-10 06:54:51 -08:00
2012-05-11 09:11:52 -07:00
2015-11-05 11:10:32 -08:00
2015-11-10 06:54:43 -08:00
2014-04-02 19:58:53 +00:00
2014-05-15 05:20:14 +00:00

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit
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