[PATCH 22/34] imx-drm: imx-drm-core: provide common connector and encoder cleanup functions

[Russell King]

Provide two helper functions to assist with cleaning up imx-drm
connectors and encoders.

Acked-by: Philipp Zabel <p.zabel at pengutronix.de>
Acked-by: Shawn Guo <shawn.guo at linaro.org>
Reviewed-by: Fabio Estevam <fabio.estevam at freescale.com>
Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
 drivers/staging/imx-drm/imx-drm-core.c | 13 +++++++++++++
 drivers/staging/imx-drm/imx-drm.h      |  3 +++
 2 files changed, 16 insertions(+)

diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c
index 5cac6ee24472..1f50acd5a982 100644
--- a/drivers/staging/imx-drm/imx-drm-core.c
+++ b/drivers/staging/imx-drm/imx-drm-core.c
@@ -363,6 +363,19 @@ static void imx_drm_connector_unregister(
 	drm_mode_group_reinit(imxdrm->drm);
 }
 
+void imx_drm_connector_destroy(struct drm_connector *connector)
+{
+	drm_sysfs_connector_remove(connector);
+	drm_connector_cleanup(connector);
+}
+EXPORT_SYMBOL_GPL(imx_drm_connector_destroy);
+
+void imx_drm_encoder_destroy(struct drm_encoder *encoder)
+{
+	drm_encoder_cleanup(encoder);
+}
+EXPORT_SYMBOL_GPL(imx_drm_encoder_destroy);
+
 static struct drm_mode_config_funcs imx_drm_mode_config_funcs = {
 	.fb_create = drm_fb_cma_create,
 };
diff --git a/drivers/staging/imx-drm/imx-drm.h b/drivers/staging/imx-drm/imx-drm.h
index 49d4aaf33f97..0543606c587a 100644
--- a/drivers/staging/imx-drm/imx-drm.h
+++ b/drivers/staging/imx-drm/imx-drm.h
@@ -8,6 +8,7 @@
 struct drm_crtc;
 struct drm_connector;
 struct drm_device;
+struct drm_display_mode;
 struct drm_encoder;
 struct imx_drm_crtc;
 struct drm_fbdev_cma;
@@ -69,5 +70,7 @@ int imx_drm_encoder_parse_of(struct drm_device *drm,
 
 int imx_drm_connector_mode_valid(struct drm_connector *connector,
 	struct drm_display_mode *mode);
+void imx_drm_connector_destroy(struct drm_connector *connector);
+void imx_drm_encoder_destroy(struct drm_encoder *encoder);
 
 #endif /* _IMX_DRM_H_ */
-- 
1.8.3.1