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>

4 files changed, 1 insertions, 3 deletions

diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h
index bbebef7713b3..a5049eaf782d 100644
--- a/include/linux/cyclades.h
+++ b/include/linux/cyclades.h
@@ -578,7 +578,6 @@ struct cyclades_port {
         struct cyclades_idle_stats      idle_stats;
         struct cyclades_icount  icount;
         struct completion       shutdown_wait;
-        wait_queue_head_t       delta_msr_wait;
         int throttle;
 };
 
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 */
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 27767ea5fa29..bcafecd3b7c1 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -349,7 +349,6 @@ struct uart_state {
         struct circ_buf         xmit;
 
         struct tasklet_struct   tlet;
-        wait_queue_head_t       delta_msr_wait;
         struct uart_port        *uart_port;
 };
 
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 9fdc3d84baad..0daa8a72b176 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -203,6 +203,7 @@ struct tty_port {
         int                     count;          /* Usage count */
         wait_queue_head_t       open_wait;      /* Open waiters */
         wait_queue_head_t       close_wait;     /* Close waiters */
+        wait_queue_head_t       delta_msr_wait; /* Modem status change */
         unsigned long           flags;          /* TTY flags ASY_*/
         struct mutex            mutex;          /* Locking */
         unsigned char           *xmit_buf;      /* Optional buffer */