video: driver: cleanup driver remove sequence

Remove deinit sequence calls and register devm
managed callbacks, so that kernel can invoke
then, when dev scope ends and cleansup all
associated resources.

Change-Id: I729fd21fe32d9f39240d0b743f910409d93a00c5
Signed-off-by: Govindaraj Rajagopal <quic_grajagop@quicinc.com>

driver/variant/iris2/inc/msm_vidc_iris2.h

@@ -11,7 +11,6 @@
 
 #if defined(CONFIG_MSM_VIDC_WAIPIO)
 int msm_vidc_init_iris2(struct msm_vidc_core *core);
-int msm_vidc_deinit_iris2(struct msm_vidc_core *core);
 int msm_vidc_adjust_blur_type_iris2(void *instance, struct v4l2_ctrl *ctrl);
 #else
 static inline int msm_vidc_init_iris2(struct msm_vidc_core *core)
@@ -19,11 +18,6 @@ static inline int msm_vidc_init_iris2(struct msm_vidc_core *core)
 	return -EINVAL;
 }
 
-static inline int msm_vidc_deinit_iris2(struct msm_vidc_core *core)
-{
-	return -EINVAL;
-}
-
 static inline int msm_vidc_adjust_blur_type_iris2(void *instance, struct v4l2_ctrl *ctrl)
 {
 	return -EINVAL;

driver/variant/iris2/src/msm_vidc_iris2.c

@@ -1014,9 +1014,3 @@ int msm_vidc_init_iris2(struct msm_vidc_core *core)
 
 	return 0;
 }
-
-int msm_vidc_deinit_iris2(struct msm_vidc_core *core)
-{
-	/* do nothing */
-	return 0;
-}