[PATCH 32/59] drm/kmb: Revert dsi_host back to a static variable

[Anitha Chrisanthus]

From: Edmund Dea <edmund.j.dea at intel.com>

revert dsi_host to static and instead add dsi_host_unregister.

Signed-off-by: Edmund Dea <edmund.j.dea at intel.com>
Reviewed-by: Bob Paauwe <bob.j.paauwe at intel.com>
---
 drivers/gpu/drm/kmb/kmb_drv.c | 6 +++---
 drivers/gpu/drm/kmb/kmb_drv.h | 1 -
 drivers/gpu/drm/kmb/kmb_dsi.c | 9 +++++++--
 drivers/gpu/drm/kmb/kmb_dsi.h | 1 +
 4 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
index f520ca9..0588bd0 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.c
+++ b/drivers/gpu/drm/kmb/kmb_drv.c
@@ -398,7 +398,7 @@ static void kmb_drm_unload(struct device *dev)
 	dev_set_drvdata(dev, NULL);
 
 	/* Unregister DSI host */
-	mipi_dsi_host_unregister(dsi_host);
+	dsi_host_unregister();
 }
 
 static int kmb_probe(struct platform_device *pdev)
@@ -434,7 +434,7 @@ static int kmb_probe(struct platform_device *pdev)
 
 	drm->dev_private = lcd;
 	kmb_setup_mode_config(drm);
-	dev_set_drvdata(dev, drm);
+		dev_set_drvdata(dev, drm);
 
 	/* Load driver */
 	ret = kmb_load(drm, 0);
@@ -475,7 +475,7 @@ static int kmb_probe(struct platform_device *pdev)
 	drm_mode_config_cleanup(drm);
 	dev_set_drvdata(dev, NULL);
 	drm_dev_put(drm);
-	mipi_dsi_host_unregister(dsi_host);
+	dsi_host_unregister();
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/kmb/kmb_drv.h b/drivers/gpu/drm/kmb/kmb_drv.h
index c87e608..6c1d687 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.h
+++ b/drivers/gpu/drm/kmb/kmb_drv.h
@@ -31,7 +31,6 @@
 #define KMB_MAX_WIDTH			16384	/*max width in pixels */
 #define KMB_MAX_HEIGHT			16384	/*max height in pixels */
 
-extern struct mipi_dsi_host *dsi_host;
 struct kmb_drm_private {
 	struct drm_device		drm;
 	void __iomem			*lcd_mmio;
diff --git a/drivers/gpu/drm/kmb/kmb_dsi.c b/drivers/gpu/drm/kmb/kmb_dsi.c
index 4b5adc7c..af04eb9 100644
--- a/drivers/gpu/drm/kmb/kmb_dsi.c
+++ b/drivers/gpu/drm/kmb/kmb_dsi.c
@@ -79,7 +79,7 @@
 #define PLL_M_MAX	623
 #define PLL_FVCO_MAX	1250
 
-struct mipi_dsi_host *dsi_host;
+static struct mipi_dsi_host *dsi_host;
 static struct mipi_dsi_device *dsi_device;
 
 /*
@@ -357,8 +357,13 @@ struct drm_bridge *kmb_dsi_host_bridge_init(struct device *dev)
 	return bridge;
 }
 
+void dsi_host_unregister(void)
+{
+	mipi_dsi_host_unregister(dsi_host);
+}
+
 u32 mipi_get_datatype_params(u32 data_type, u32 data_mode,
-			     struct mipi_data_type_params *params)
+		struct mipi_data_type_params *params)
 {
 	struct mipi_data_type_params data_type_parameters;
 
diff --git a/drivers/gpu/drm/kmb/kmb_dsi.h b/drivers/gpu/drm/kmb/kmb_dsi.h
index cf234db..e85625b 100644
--- a/drivers/gpu/drm/kmb/kmb_dsi.h
+++ b/drivers/gpu/drm/kmb/kmb_dsi.h
@@ -333,6 +333,7 @@ struct drm_bridge *kmb_dsi_host_bridge_init(struct device *dev);
 int kmb_dsi_init(struct drm_device *dev, struct drm_bridge *bridge);
 void kmb_plane_destroy(struct drm_plane *plane);
 void mipi_tx_handle_irqs(struct kmb_drm_private *dev_p);
+void dsi_host_unregister(void);
 
 #define to_kmb_connector(x) container_of(x, struct kmb_connector, base)
 #define to_kmb_host(x) container_of(x, struct kmb_dsi_host, base)
-- 
2.7.4