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>
This commit is contained in:
Weili Qian 2022-06-09 20:31:17 +08:00 committed by Herbert Xu
parent 00856e5391
commit bf081d6fa8

View File

@ -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);