media: venus: factor out inst destruction routine

Factor out common instance destruction code into
a common function.

Suggested-by: Bryan O'Donoghue <[e-mail]>
Signed-off-by: Sergey Senozhatsky <[e-mail]>
Reviewed-by: Bryan O'Donoghue <[e-mail]>
Signed-off-by: Stanimir Varbanov <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>

drivers/media/platform/qcom/venus/core.c

···
 #include <linux/pm_domain.h>
 #include <linux/pm_runtime.h>
 #include <media/videobuf2-v4l2.h>
+#include <media/v4l2-ctrls.h>
 #include <media/v4l2-mem2mem.h>
 #include <media/v4l2-ioctl.h>
 
···
 
 	return ret;
 }
+
+void venus_close_common(struct venus_inst *inst)
+{
+	/*
+	 * First, remove the inst from the ->instances list, so that
+	 * to_instance() will return NULL.
+	 */
+	hfi_session_destroy(inst);
+	/*
+	 * Second, make sure we don't have IRQ/IRQ-thread currently running
+	 * or pending execution, which would race with the inst destruction.
+	 */
+	synchronize_irq(inst->core->irq);
+
+	v4l2_m2m_ctx_release(inst->m2m_ctx);
+	v4l2_m2m_release(inst->m2m_dev);
+	v4l2_fh_del(&inst->fh);
+	v4l2_fh_exit(&inst->fh);
+	v4l2_ctrl_handler_free(&inst->ctrl_handler);
+
+	mutex_destroy(&inst->lock);
+	mutex_destroy(&inst->ctx_q_lock);
+}
+EXPORT_SYMBOL_GPL(venus_close_common);
 
 static __maybe_unused int venus_runtime_resume(struct device *dev)
 {

drivers/media/platform/qcom/venus/core.h

···
 		(core)->venus_ver.minor == vminor &&
 		(core)->venus_ver.rev <= vrev);
 }
+
+void venus_close_common(struct venus_inst *inst);
 #endif

drivers/media/platform/qcom/venus/vdec.c

···
 err_session_destroy:
 	hfi_session_destroy(inst);
 err_ctrl_deinit:
-	vdec_ctrl_deinit(inst);
+	v4l2_ctrl_handler_free(&inst->ctrl_handler);
 err_free:
 	kfree(inst);
 	return ret;
···
 	struct venus_inst *inst = to_inst(file);
 
 	vdec_pm_get(inst);
-
 	cancel_work_sync(&inst->delayed_process_work);
-	/*
-	 * First, remove the inst from the ->instances list, so that
-	 * to_instance() will return NULL.
-	 */
-	hfi_session_destroy(inst);
-	/*
-	 * Second, make sure we don't have IRQ/IRQ-thread currently running
-	 * or pending execution, which would race with the inst destruction.
-	 */
-	synchronize_irq(inst->core->irq);
-
-	v4l2_m2m_ctx_release(inst->m2m_ctx);
-	v4l2_m2m_release(inst->m2m_dev);
+	venus_close_common(inst);
 	ida_destroy(&inst->dpb_ids);
-	v4l2_fh_del(&inst->fh);
-	v4l2_fh_exit(&inst->fh);
-	vdec_ctrl_deinit(inst);
-
-	mutex_destroy(&inst->lock);
-	mutex_destroy(&inst->ctx_q_lock);
-
 	vdec_pm_put(inst, false);
 
 	kfree(inst);

drivers/media/platform/qcom/venus/vdec.h

···
 struct venus_inst;
 
 int vdec_ctrl_init(struct venus_inst *inst);
-void vdec_ctrl_deinit(struct venus_inst *inst);
 
 #endif

drivers/media/platform/qcom/venus/vdec_ctrls.c

···
 
 	return 0;
 }
-
-void vdec_ctrl_deinit(struct venus_inst *inst)
-{
-	v4l2_ctrl_handler_free(&inst->ctrl_handler);
-}

drivers/media/platform/qcom/venus/venc.c

···
 err_session_destroy:
 	hfi_session_destroy(inst);
 err_ctrl_deinit:
-	venc_ctrl_deinit(inst);
+	v4l2_ctrl_handler_free(&inst->ctrl_handler);
 err_free:
 	kfree(inst);
 	return ret;
···
 	struct venus_inst *inst = to_inst(file);
 
 	venc_pm_get(inst);
-
-	/*
-	 * First, remove the inst from the ->instances list, so that
-	 * to_instance() will return NULL.
-	 */
-	hfi_session_destroy(inst);
-	/*
-	 * Second, make sure we don't have IRQ/IRQ-thread currently running
-	 * or pending execution, which would race with the inst destruction.
-	 */
-	synchronize_irq(inst->core->irq);
-
-	v4l2_m2m_ctx_release(inst->m2m_ctx);
-	v4l2_m2m_release(inst->m2m_dev);
-	v4l2_fh_del(&inst->fh);
-	v4l2_fh_exit(&inst->fh);
-	venc_ctrl_deinit(inst);
-
+	venus_close_common(inst);
 	inst->enc_state = VENUS_ENC_STATE_DEINIT;
-	mutex_destroy(&inst->lock);
-	mutex_destroy(&inst->ctx_q_lock);
-
 	venc_pm_put(inst, false);
 
 	kfree(inst);

drivers/media/platform/qcom/venus/venc.h

···
 struct venus_inst;
 
 int venc_ctrl_init(struct venus_inst *inst);
-void venc_ctrl_deinit(struct venus_inst *inst);
 
 #endif

drivers/media/platform/qcom/venus/venc_ctrls.c

···
 	v4l2_ctrl_handler_free(&inst->ctrl_handler);
 	return ret;
 }
-
-void venc_ctrl_deinit(struct venus_inst *inst)
-{
-	v4l2_ctrl_handler_free(&inst->ctrl_handler);
-}