Seems to be done this way in other drivers (ch341, 8250, ...). Signed-off-by: Paul Chavent <paul.chavent@xxxxxxxx> --- drivers/usb/serial/pl2303.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 3299f3a..6bb405b 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -853,11 +853,11 @@ static void pl2303_update_line_status(struct usb_serial_port *port, spin_unlock_irqrestore(&priv->lock, flags); if (priv->line_status & UART_BREAK_ERROR) usb_serial_handle_break(port); - wake_up_interruptible(&port->port.delta_msr_wait); - if ((priv->line_status ^ prev_line_status) & UART_DCD) usb_serial_handle_dcd_change(port, priv->line_status & UART_DCD); + + wake_up_interruptible(&port->port.delta_msr_wait); } static void pl2303_read_int_callback(struct urb *urb) -- 1.7.12.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
