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Commit 0fdf1787 authored by Sebastian Reichel's avatar Sebastian Reichel Committed by Greg Kroah-Hartman
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serial: imx: drop CTS/RTS handling from shutdown 



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

Suggested-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e66003f5

drivers/tty/serial/imx.c

+1 −1
Original line number Diff line number Diff line
@@ -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);