serial: imx: set_mctrl(): correctly restore autoRTS state

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imx_uart_set_mctrl() happened to set UCR2_CTSC bit whenever TIOCM_RTS
was set, no matter if RTS/CTS handshake is enabled or not. Now fixed by
turning handshake on only when CRTSCTS bit for the port is set.

Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Link: https://lore.kernel.org/r/1564167161-3972-3-git-send-email-sorganov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Sergey Organov 2019-07-26 21:52:40 +03:00 • committed by Greg Kroah-Hartman

parent a25aee902e

commit 197540dc83

1 changed files with 14 additions and 2 deletions

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drivers/tty/serial/imx.c

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