crypto: hisilicon/qm - add functions for releasing resources

The resources allocated by hisi_qm_memory_init() are released by
hisi_qm_uninit(). Add hisi_qm_memory_uninit() to release resources,
no functional change.

Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index b4ca2eb..903896a 100644 (file)
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -3672,6 +3672,21 @@ static void qm_last_regs_uninit(struct hisi_qm *qm)
        debug->qm_last_words = NULL;
 }
 
+static void hisi_qm_memory_uninit(struct hisi_qm *qm)
+{
+       struct device *dev = &qm->pdev->dev;
+
+       hisi_qp_memory_uninit(qm, qm->qp_num);
+       if (qm->qdma.va) {
+               hisi_qm_cache_wb(qm);
+               dma_free_coherent(dev, qm->qdma.size,
+                                 qm->qdma.va, qm->qdma.dma);
+       }
+
+       idr_destroy(&qm->qp_idr);
+       kfree(qm->factor);
+}
+
 /**
  * hisi_qm_uninit() - Uninitialize qm.
  * @qm: The qm needed uninit.
@@ -3680,13 +3695,9 @@ static void qm_last_regs_uninit(struct hisi_qm *qm)
  */
 void hisi_qm_uninit(struct hisi_qm *qm)
 {
-       struct pci_dev *pdev = qm->pdev;
-       struct device *dev = &pdev->dev;
-
        qm_last_regs_uninit(qm);
 
        qm_cmd_uninit(qm);
-       kfree(qm->factor);
        down_write(&qm->qps_lock);
 
        if (!qm_avail_state(qm, QM_CLOSE)) {
@@ -3694,14 +3705,7 @@ void hisi_qm_uninit(struct hisi_qm *qm)
                return;
        }
 
-       hisi_qp_memory_uninit(qm, qm->qp_num);
-       idr_destroy(&qm->qp_idr);
-
-       if (qm->qdma.va) {
-               hisi_qm_cache_wb(qm);
-               dma_free_coherent(dev, qm->qdma.size,
-                                 qm->qdma.va, qm->qdma.dma);
-       }
+       hisi_qm_memory_uninit(qm);
        hisi_qm_set_state(qm, QM_NOT_READY);
        up_write(&qm->qps_lock);