diff options
| author |   Weili Qian <qianweili@huawei.com> | 2022-06-09 20:31:17 +0800 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2022-06-17 17:19:20 +0800 |
| commit | bf081d6fa8e90aefe991e34a29eff7aa22deb3ff (patch) | |
| tree | 8e6ab5f30a1a067fbbd1e70e72437c6ef27c865f /drivers/crypto/hisilicon/qm.c | |
| parent | crypto: hisilicon/trng - fix local variable type (diff) | |
| download | linux-dev-bf081d6fa8e90aefe991e34a29eff7aa22deb3ff.tar.xz linux-dev-bf081d6fa8e90aefe991e34a29eff7aa22deb3ff.zip | |
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/crypto/hisilicon/qm.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index b4ca2eb034d7..903896ab5be5 100644 --- 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); |