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>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/linux/hayesesp.h b/include/linux/hayesesp.h
index 940aeb51d53f..92b08cfe4a75 100644
--- a/include/linux/hayesesp.h
+++ b/include/linux/hayesesp.h
@@ -96,7 +96,6 @@ struct esp_struct {
         int                     xmit_head;
         int                     xmit_tail;
         int                     xmit_cnt;
-        wait_queue_head_t       delta_msr_wait;
         wait_queue_head_t       break_wait;
         struct async_icount     icount; /* kernel counters for the 4 input interrupts */
         struct hayes_esp_config config; /* port configuration */