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serial: imx: drop CTS/RTS handling from shutdown

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According to Documentation/serial/driver the shutdown function should
not disable RTS, so drop it.

Suggested-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Sebastian Reichel <[email protected]>
Acked-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Sebastian Reichel 2018-05-24 19:30:23 +02:00 • committed by Greg Kroah-Hartman
commit 0fdf178785
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/imx.c
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@ -1450,7 +1450,7 @@ static void imx_uart_shutdown(struct uart_port *port)
spin_lock_irqsave(&sport->port.lock, flags);
ucr2 = imx_uart_readl(sport, UCR2);
ucr2 &= ~(UCR2_TXEN | UCR2_CTSC | UCR2_CTS | UCR2_ATEN);
ucr2 &= ~(UCR2_TXEN | UCR2_ATEN);
imx_uart_writel(sport, ucr2, UCR2);
spin_unlock_irqrestore(&sport->port.lock, flags);