tegra: vi: move vi_notify_channel struct to header

Move vi_notify_channel structure from source code
to header file so it can be shared with other modules
that subscribe to vi_notify events.

Bug 1785050

Change-Id: I5944cac4d770779853a925d85eac98b1869c4074
Signed-off-by: Frank Chen <frankc@nvidia.com>
Reviewed-on: http://git-master/r/1219255
(cherry picked from commit 5d7f3b98898f691b7e7622970dcfb3c95b7059d4)
Reviewed-on: http://git-master/r/1222694
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2 files changed, 18 insertions, 19 deletions

diff --git a/drivers/video/tegra/host/vi/vi_notify.c b/drivers/video/tegra/host/vi/vi_notify.c
index c3a216757..32460ad06 100644
--- a/drivers/video/tegra/host/vi/vi_notify.c
+++ b/drivers/video/tegra/host/vi/vi_notify.c
@@ -41,24 +41,6 @@
 #define NVHOST_VI_RESET_CHANNEL \
         _IOW(NVHOST_VI_IOCTL_MAGIC, 15, struct tegra_vi4_syncpts_req)
 
-struct vi_notify_channel {
-        struct vi_notify_dev *vnd;
-        atomic_t ign_mask;
-
-        wait_queue_head_t readq;
-        struct mutex read_lock;
-        struct rcu_head rcu;
-
-        atomic_t overruns;
-        atomic_t errors;
-        atomic_t report;
-        DECLARE_KFIFO(fifo, struct vi_notify_msg, 128);
-        struct vi_capture_status status;
-
-        vi_notify_status_callback notify_cb;
-        vi_notify_error_callback error_cb;
-};
-
 struct vi_notify_dev {
         struct vi_notify_driver *driver;
         struct device *device;
diff --git a/drivers/video/tegra/host/vi/vi_notify.h b/drivers/video/tegra/host/vi/vi_notify.h
index e597b4b86..e572bbec1 100644
--- a/drivers/video/tegra/host/vi/vi_notify.h
+++ b/drivers/video/tegra/host/vi/vi_notify.h
@@ -70,7 +70,6 @@ void vi_notify_unregister(struct vi_notify_driver *, struct device *);
 typedef void (*vi_notify_status_callback)(const struct vi_capture_status *);
 typedef void (*vi_notify_error_callback)(void);
 
-struct vi_notify_channel;
 struct tegra_vi4_syncpts_req {
         u32 syncpt_ids[3];
         u8 stream;
@@ -78,6 +77,24 @@ struct tegra_vi4_syncpts_req {
         u16 pad;
 };
 
+struct vi_notify_channel {
+        struct vi_notify_dev *vnd;
+        atomic_t ign_mask;
+
+        wait_queue_head_t readq;
+        struct mutex read_lock;
+        struct rcu_head rcu;
+
+        atomic_t overruns;
+        atomic_t errors;
+        atomic_t report;
+        DECLARE_KFIFO(fifo, struct vi_notify_msg, 128);
+        struct vi_capture_status status;
+
+        vi_notify_status_callback notify_cb;
+        vi_notify_error_callback error_cb;
+};
+
 /* internal vi_notify_channel API for kernel vi-mode driver */
 int vi_notify_channel_set_ign_mask(struct vi_notify_channel *, u32);
 int vi_notify_channel_set_syncpts(unsigned,