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Commit a26f009a authored Jun 04, 2013 by Johan Hovold Committed by Greg Kroah-Hartman Jun 04, 2013

USB: mos7720: fix hardware flow control



The register access to enable hardware flow control depends on the
device port number and not the port minor number.

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent c1ec1bcf

drivers/usb/serial/mos7720.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1629,7 +1629,7 @@ static void change_port_settings(struct tty_struct *tty,
		mos7720_port->shadowMCR \|= (UART_MCR_XONANY);
		/* To set hardware flow control to the specified *
		* serial port, in SP1/2_CONTROL_REG */
		if (port->number)
		if (port_number)
		write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x01);
		else
		write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x02);