Ashish Singhal 7285f275ff MdeModulePkg/BaseSerialPortLib16550: Fix Serial Port Ready ...

Before writing data to FIFO, wait for the serial port to be ready,
to make sure both the transmit FIFO and shift register empty. Code
comment was saying the right thing but code was missing a check.

Reviewed-by: Zhichao Gao <zhichao.gao@intel.com>
Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>

2020-02-06 14:46:42 +00:00

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