From 5f3a2a5d37ff9058e3fa253cb8445f7780513635 Mon Sep 17 00:00:00 2001 From: Longfang Liu Date: Sat, 9 May 2020 17:43:55 +0800 Subject: [PATCH] crypto: hisilicon/hpre - modify the HPRE probe process Misc fixes on coding style: 1.Merge pre-initialization and initialization of QM 2.Package the initialization of QM's PF and VF into a function Signed-off-by: Longfang Liu Signed-off-by: Zaibo Xu Signed-off-by: Shukun Tan Signed-off-by: Herbert Xu --- drivers/crypto/hisilicon/hpre/hpre_main.c | 42 ++++++++++++++++++------------- 1 file changed, 25 insertions(+), 17 deletions(-) diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c index 840e16c..e7585ef 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_main.c +++ b/drivers/crypto/hisilicon/hpre/hpre_main.c @@ -666,7 +666,7 @@ static void hpre_debugfs_exit(struct hpre *hpre) debugfs_remove_recursive(qm->debug.debug_root); } -static int hpre_qm_pre_init(struct hisi_qm *qm, struct pci_dev *pdev) +static int hpre_qm_init(struct hisi_qm *qm, struct pci_dev *pdev) { enum qm_hw_ver rev_id; @@ -685,13 +685,14 @@ static int hpre_qm_pre_init(struct hisi_qm *qm, struct pci_dev *pdev) qm->dev_name = hpre_name; qm->fun_type = (pdev->device == HPRE_PCI_DEVICE_ID) ? QM_HW_PF : QM_HW_VF; + if (pdev->is_physfn) { qm->qp_base = HPRE_PF_DEF_Q_BASE; qm->qp_num = hpre_pf_q_num; } qm->use_dma_api = true; - return 0; + return hisi_qm_init(qm); } static void hpre_log_hw_error(struct hisi_qm *qm, u32 err_sts) @@ -766,6 +767,20 @@ static int hpre_pf_probe_init(struct hpre *hpre) return 0; } +static int hpre_probe_init(struct hpre *hpre) +{ + struct hisi_qm *qm = &hpre->qm; + int ret = -ENODEV; + + if (qm->fun_type == QM_HW_PF) + ret = hpre_pf_probe_init(hpre); + else if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V2) + /* v2 starts to support get vft by mailbox */ + ret = hisi_qm_get_vft(qm, &qm->qp_base, &qm->qp_num); + + return ret; +} + static int hpre_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct hisi_qm *qm; @@ -779,23 +794,16 @@ static int hpre_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_drvdata(pdev, hpre); qm = &hpre->qm; - ret = hpre_qm_pre_init(qm, pdev); - if (ret) - return ret; - - ret = hisi_qm_init(qm); - if (ret) + ret = hpre_qm_init(qm, pdev); + if (ret) { + pci_err(pdev, "Failed to init HPRE QM (%d)!\n", ret); return ret; + } - if (pdev->is_physfn) { - ret = hpre_pf_probe_init(hpre); - if (ret) - goto err_with_qm_init; - } else if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V2) { - /* v2 starts to support get vft by mailbox */ - ret = hisi_qm_get_vft(qm, &qm->qp_base, &qm->qp_num); - if (ret) - goto err_with_qm_init; + ret = hpre_probe_init(hpre); + if (ret) { + pci_err(pdev, "Failed to probe (%d)!\n", ret); + goto err_with_qm_init; } ret = hisi_qm_start(qm); -- 2.7.4