diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 286550086c779418178a20658c573117c5b86e6c..b4ca2eb034d7d4b5cdcaca3a868c8fdfadf0efae 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -3226,9 +3226,17 @@ static void qm_qp_event_notifier(struct hisi_qp *qp)
 	wake_up_interruptible(&qp->uacce_q->wait);
 }
 
+ /* This function returns free number of qp in qm. */
 static int hisi_qm_get_available_instances(struct uacce_device *uacce)
 {
-	return hisi_qm_get_free_qp_num(uacce->priv);
+	struct hisi_qm *qm = uacce->priv;
+	int ret;
+
+	down_read(&qm->qps_lock);
+	ret = qm->qp_num - qm->qp_in_used;
+	up_read(&qm->qps_lock);
+
+	return ret;
 }
 
 static void hisi_qm_set_hw_reset(struct hisi_qm *qm, int offset)
@@ -3540,24 +3548,6 @@ void hisi_qm_wait_task_finish(struct hisi_qm *qm, struct hisi_qm_list *qm_list)
 }
 EXPORT_SYMBOL_GPL(hisi_qm_wait_task_finish);
 
-/**
- * hisi_qm_get_free_qp_num() - Get free number of qp in qm.
- * @qm: The qm which want to get free qp.
- *
- * This function return free number of qp in qm.
- */
-int hisi_qm_get_free_qp_num(struct hisi_qm *qm)
-{
-	int ret;
-
-	down_read(&qm->qps_lock);
-	ret = qm->qp_num - qm->qp_in_used;
-	up_read(&qm->qps_lock);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(hisi_qm_get_free_qp_num);
-
 static void hisi_qp_memory_uninit(struct hisi_qm *qm, int num)
 {
 	struct device *dev = &qm->pdev->dev;
diff --git a/include/linux/hisi_acc_qm.h b/include/linux/hisi_acc_qm.h
index d2ccb11071c586ff9b1b4f09be1a1e1ffcca06d3..6cabafffd0ddaa228b5d1d13e098e79a90250037 100644
--- a/include/linux/hisi_acc_qm.h
+++ b/include/linux/hisi_acc_qm.h
@@ -448,7 +448,6 @@ int hisi_qm_stop(struct hisi_qm *qm, enum qm_stop_reason r);
 int hisi_qm_start_qp(struct hisi_qp *qp, unsigned long arg);
 int hisi_qm_stop_qp(struct hisi_qp *qp);
 int hisi_qp_send(struct hisi_qp *qp, const void *msg);
-int hisi_qm_get_free_qp_num(struct hisi_qm *qm);
 void hisi_qm_debug_init(struct hisi_qm *qm);
 void hisi_qm_debug_regs_clear(struct hisi_qm *qm);
 int hisi_qm_sriov_enable(struct pci_dev *pdev, int max_vfs);