Commit 583182ba authored by Bart Hartgers's avatar Bart Hartgers Committed by Greg Kroah-Hartman

USB: ark3116 initialisation fix

This patch for the usb serial ark3116 driver fixes an initialisation
ordering bug that gets triggered on hotplug when using at least recent
debian/ubuntu userspace. Without it, ark3116 serial cables don't work.
Signed-off-by: 's avatarBart Hartgers <bart.hartgers@gmail.com>
Tested-by: law_ence.dev@ntlworld.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: 's avatarGreg Kroah-Hartman <gregkh@suse.de>
parent ab570da2
......@@ -42,7 +42,7 @@ static int debug;
* Version information
*/
#define DRIVER_VERSION "v0.6"
#define DRIVER_VERSION "v0.7"
#define DRIVER_AUTHOR "Bart Hartgers <bart.hartgers+ark3116@gmail.com>"
#define DRIVER_DESC "USB ARK3116 serial/IrDA driver"
#define DRIVER_DEV_DESC "ARK3116 RS232/IrDA"
......@@ -380,10 +380,6 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port)
goto err_out;
}
/* setup termios */
if (tty)
ark3116_set_termios(tty, port, NULL);
/* remove any data still left: also clears error state */
ark3116_read_reg(serial, UART_RX, buf);
......@@ -406,6 +402,10 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port)
/* enable DMA */
ark3116_write_reg(port->serial, UART_FCR, UART_FCR_DMA_SELECT);
/* setup termios */
if (tty)
ark3116_set_termios(tty, port, NULL);
err_out:
kfree(buf);
return result;
......
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