serial: stm32: fix startup by enabling usart for reception

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[ Upstream commit f4518a8a75 ]

RX is configured, but usart is not enabled in startup function.
Kernel documentation specifies that startup should enable the port for
reception.
Fix the startup by enabling usart for reception.

Fixes: 84872dc448 ("serial: stm32: add RX and TX FIFO flush")
Signed-off-by: Erwan Le Ray <erwan.leray@foss.st.com>
Link: https://lore.kernel.org/r/20210304162308.8984-3-erwan.leray@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Erwan Le Ray 2021-03-04 17:22:57 +01:00 • committed by Greg Kroah-Hartman

parent b5e8f0adae

commit a44d6acfa7

1 changed files with 2 additions and 1 deletions

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drivers/tty/serial/stm32-usart.c

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