tree b68f6f0b793c81a43097c13efb774e90699db53d
parent a9cb7d002df4f09dce779b5b56640c2fdd77ba3b
author Yann Gautier <yann.gautier@foss.st.com> 1680092629 +0200
committer Yann Gautier <yann.gautier@st.com> 1685453990 +0200

fix(st-uart): skip console flush if UART is disabled

Check the USART_CR1_UE bit and if it is 0, the UART is not enabled,
or not clocked (but the read won't freeze the bus and will return 0).
In this case skip the console flush.

Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Change-Id: I5d1ef7e51612b4795e314b2f2da04a514b6c96a0