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-rw-r--r--drivers/video/omap2/dss/apply.c33
-rw-r--r--drivers/video/omap2/dss/core.c4
-rw-r--r--drivers/video/omap2/dss/dss.h1
-rw-r--r--include/video/omapdss.h3
4 files changed, 38 insertions, 3 deletions
diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
index 4a5cc5c64d4..ba1343274bb 100644
--- a/drivers/video/omap2/dss/apply.c
+++ b/drivers/video/omap2/dss/apply.c
@@ -18,6 +18,7 @@
#define DSS_SUBSYS_NAME "APPLY"
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/jiffies.h>
@@ -131,7 +132,7 @@ static struct mgr_priv_data *get_mgr_priv(struct omap_overlay_manager *mgr)
return &dss_data.mgr_priv_data_array[mgr->id];
}
-void dss_apply_init(void)
+static void apply_init_priv(void)
{
const int num_ovls = dss_feat_get_num_ovls();
struct mgr_priv_data *mp;
@@ -1463,3 +1464,33 @@ err:
return r;
}
+static int compat_refcnt;
+static DEFINE_MUTEX(compat_init_lock);
+
+int omapdss_compat_init(void)
+{
+ mutex_lock(&compat_init_lock);
+
+ if (compat_refcnt++ > 0)
+ goto out;
+
+ apply_init_priv();
+
+out:
+ mutex_unlock(&compat_init_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL(omapdss_compat_init);
+
+void omapdss_compat_uninit(void)
+{
+ mutex_lock(&compat_init_lock);
+
+ if (--compat_refcnt > 0)
+ goto out;
+
+out:
+ mutex_unlock(&compat_init_lock);
+}
+EXPORT_SYMBOL(omapdss_compat_uninit);
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 5c5e5919058..86c743f5ed2 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -232,7 +232,7 @@ static int __init omap_dss_probe(struct platform_device *pdev)
dss_features_init(omapdss_get_version());
- dss_apply_init();
+ omapdss_compat_init();
dss_init_overlay_managers(pdev);
dss_init_overlays(pdev);
@@ -264,6 +264,8 @@ static int omap_dss_remove(struct platform_device *pdev)
dss_uninit_overlays(pdev);
dss_uninit_overlay_managers(pdev);
+ omapdss_compat_uninit();
+
return 0;
}
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index bdf84313566..9da3d61b8a5 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -178,7 +178,6 @@ void dss_copy_device_pdata(struct omap_dss_device *dst,
const struct omap_dss_device *src);
/* apply */
-void dss_apply_init(void);
int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr);
int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl);
void dss_mgr_start_update(struct omap_overlay_manager *mgr);
diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index b1248c2d36e..a9402362d81 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -836,4 +836,7 @@ void omapdss_rfbi_set_data_lines(struct omap_dss_device *dssdev,
void omapdss_rfbi_set_interface_timings(struct omap_dss_device *dssdev,
struct rfbi_timings *timings);
+int omapdss_compat_init(void);
+void omapdss_compat_uninit(void);
+
#endif