tree a1453abc075dc3c602124909a13413219f425841
parent b30b15906ffbf5e86298f5df2eb86b145acaa31c
author Valentin Caron <valentin.caron@foss.st.com> 1691158144 +0200
committer Patrice Chotard <patrice.chotard@foss.st.com> 1692193103 +0200

serial: stm32: extend TC timeout

Waiting 150us TC bit couldn't be enough.

If TFA lets 16 bits in USART fifo, we has to wait 16 times 87 us (time
of 10 bits (1 byte in most use cases) at a baud rate of 115200).

Fixes: b4dbc5d65a67 ("serial: stm32: Wait TC bit before performing initialization")

Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>