serial: move delta_msr_wait into the tty_port
This is used by various drivers not just serial and can be extracted
as commonality
Signed-off-by: Alan Cox <alan@linux.intel.com>
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index ef82a34..ef7adc8 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -226,7 +226,7 @@
if (delta & UART01x_FR_CTS)
uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS);
- wake_up_interruptible(&uap->port.state->delta_msr_wait);
+ wake_up_interruptible(&uap->port.state->port.delta_msr_wait);
}
static irqreturn_t pl011_int(int irq, void *dev_id)