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serial: stm32: disable tx and rx during shutdown 

Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexandre TORGUE 2016-09-15 18:42:36 +02:00 committed by Greg Kroah-Hartman
parent bc5a0b55ba
commit a14f66a427
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/stm32-usart.c
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@ -276,7 +276,7 @@ static void stm32_shutdown(struct uart_port *port)
u32 val;
val = USART_CR1_TXEIE | USART_CR1_RXNEIE | USART_CR1_TE | USART_CR1_RE;
stm32_set_bits(port, ofs->cr1, val);
stm32_clr_bits(port, ofs->cr1, val);
free_irq(port->irq, port);
}