133 static int create_internal_link(struct imx_media_dev *imxmd,  in create_internal_link()  argument
145 	dev_dbg(imxmd->md.dev, "%s:%d -> %s:%d\n",  in create_internal_link()
152 		v4l2_err(&imxmd->v4l2_dev, "%s failed: %d\n", __func__, ret);  in create_internal_link()
157 static int create_ipu_internal_links(struct imx_media_dev *imxmd,  in create_ipu_internal_links()  argument
179 			sink = imxmd->sync_sd[ipu_id][link->remote];  in create_ipu_internal_links()
181 			ret = create_internal_link(imxmd, sd, sink, link);  in create_ipu_internal_links()
190 int imx_media_register_ipu_internal_subdevs(struct imx_media_dev *imxmd,  in imx_media_register_ipu_internal_subdevs()  argument
201 		v4l2_err(&imxmd->v4l2_dev, "invalid IPU device!\n");  in imx_media_register_ipu_internal_subdevs()
207 		v4l2_err(&imxmd->v4l2_dev, "invalid IPU id %d!\n", ipu_id);  in imx_media_register_ipu_internal_subdevs()
211 	mutex_lock(&imxmd->mutex);  in imx_media_register_ipu_internal_subdevs()
214 	if (!imxmd->ipu[ipu_id])  in imx_media_register_ipu_internal_subdevs()
215 		imxmd->ipu[ipu_id] = ipu;  in imx_media_register_ipu_internal_subdevs()
221 		sd = imxmd->sync_sd[ipu_id][i];  in imx_media_register_ipu_internal_subdevs()
230 		mutex_unlock(&imxmd->mutex);  in imx_media_register_ipu_internal_subdevs()
231 		sd = intsd->sync_register(&imxmd->v4l2_dev, ipu_dev, ipu,  in imx_media_register_ipu_internal_subdevs()
233 		mutex_lock(&imxmd->mutex);  in imx_media_register_ipu_internal_subdevs()
239 		imxmd->sync_sd[ipu_id][i] = sd;  in imx_media_register_ipu_internal_subdevs()
252 			sd = imxmd->sync_sd[ipu_id][i];  in imx_media_register_ipu_internal_subdevs()
257 		ret = create_ipu_internal_links(imxmd, intsd, sd, ipu_id);  in imx_media_register_ipu_internal_subdevs()
259 			mutex_unlock(&imxmd->mutex);  in imx_media_register_ipu_internal_subdevs()
260 			imx_media_unregister_ipu_internal_subdevs(imxmd);  in imx_media_register_ipu_internal_subdevs()
265 	mutex_unlock(&imxmd->mutex);  in imx_media_register_ipu_internal_subdevs()
271 		sd = imxmd->sync_sd[ipu_id][i];  in imx_media_register_ipu_internal_subdevs()
274 		mutex_unlock(&imxmd->mutex);  in imx_media_register_ipu_internal_subdevs()
276 		mutex_lock(&imxmd->mutex);  in imx_media_register_ipu_internal_subdevs()
279 	mutex_unlock(&imxmd->mutex);  in imx_media_register_ipu_internal_subdevs()
283 void imx_media_unregister_ipu_internal_subdevs(struct imx_media_dev *imxmd)  in imx_media_unregister_ipu_internal_subdevs()  argument
289 	mutex_lock(&imxmd->mutex);  in imx_media_unregister_ipu_internal_subdevs()
294 			sd = imxmd->sync_sd[i][j];  in imx_media_unregister_ipu_internal_subdevs()
299 			mutex_unlock(&imxmd->mutex);  in imx_media_unregister_ipu_internal_subdevs()
301 			mutex_lock(&imxmd->mutex);  in imx_media_unregister_ipu_internal_subdevs()
305 	mutex_unlock(&imxmd->mutex);  in imx_media_unregister_ipu_internal_subdevs()