linux-kernel - [PATCH v9 3/4] crypto: hisilicon - Remove module_param uacce

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Message-Id: <1574435261-6031-4-git-send-email-zhangfei.gao@linaro.org>
Date:   Fri, 22 Nov 2019 23:07:40 +0800
From:   Zhangfei Gao <zhangfei.gao@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        jonathan.cameron@...wei.com, grant.likely@....com,
        jean-philippe <jean-philippe@...aro.org>,
        Jerome Glisse <jglisse@...hat.com>,
        ilias.apalodimas@...aro.org, francois.ozog@...aro.org,
        kenneth-lee-2012@...mail.com, Wangzhou <wangzhou1@...ilicon.com>,
        "haojian . zhuang" <haojian.zhuang@...aro.org>,
        guodong.xu@...aro.org
Cc:     linux-accelerators@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-crypto@...r.kernel.org, iommu@...ts.linux-foundation.org,
        Zhangfei Gao <zhangfei.gao@...aro.org>
Subject: [PATCH v9 3/4] crypto: hisilicon - Remove module_param uacce_mode

Remove the module_param uacce_mode, which is not used currently.

Signed-off-by: Zhangfei Gao <zhangfei.gao@...aro.org>
Signed-off-by: Zhou Wang <wangzhou1@...ilicon.com>
---
 drivers/crypto/hisilicon/zip/zip_main.c | 31 ++++++-------------------------
 1 file changed, 6 insertions(+), 25 deletions(-)

diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c
index 1b2ee96..3de9412 100644
--- a/drivers/crypto/hisilicon/zip/zip_main.c
+++ b/drivers/crypto/hisilicon/zip/zip_main.c
@@ -264,9 +264,6 @@ static u32 pf_q_num = HZIP_PF_DEF_Q_NUM;
 module_param_cb(pf_q_num, &pf_q_num_ops, &pf_q_num, 0444);
 MODULE_PARM_DESC(pf_q_num, "Number of queues in PF(v1 1-4096, v2 1-1024)");
 
-static int uacce_mode;
-module_param(uacce_mode, int, 0);
-
 static const struct pci_device_id hisi_zip_dev_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_ZIP_PF) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_ZIP_VF) },
@@ -669,6 +666,7 @@ static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	pci_set_drvdata(pdev, hisi_zip);
 
 	qm = &hisi_zip->qm;
+	qm->use_dma_api = true;
 	qm->pdev = pdev;
 	qm->ver = rev_id;
 
@@ -676,20 +674,6 @@ static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	qm->dev_name = hisi_zip_name;
 	qm->fun_type = (pdev->device == PCI_DEVICE_ID_ZIP_PF) ? QM_HW_PF :
 								QM_HW_VF;
-	switch (uacce_mode) {
-	case 0:
-		qm->use_dma_api = true;
-		break;
-	case 1:
-		qm->use_dma_api = false;
-		break;
-	case 2:
-		qm->use_dma_api = true;
-		break;
-	default:
-		return -EINVAL;
-	}
-
 	ret = hisi_qm_init(qm);
 	if (ret) {
 		dev_err(&pdev->dev, "Failed to init qm!\n");
@@ -976,12 +960,10 @@ static int __init hisi_zip_init(void)
 		goto err_pci;
 	}
 
-	if (uacce_mode == 0 || uacce_mode == 2) {
-		ret = hisi_zip_register_to_crypto();
-		if (ret < 0) {
-			pr_err("Failed to register driver to crypto.\n");
-			goto err_crypto;
-		}
+	ret = hisi_zip_register_to_crypto();
+	if (ret < 0) {
+		pr_err("Failed to register driver to crypto.\n");
+		goto err_crypto;
 	}
 
 	return 0;
@@ -996,8 +978,7 @@ static int __init hisi_zip_init(void)
 
 static void __exit hisi_zip_exit(void)
 {
-	if (uacce_mode == 0 || uacce_mode == 2)
-		hisi_zip_unregister_from_crypto();
+	hisi_zip_unregister_from_crypto();
 	pci_unregister_driver(&hisi_zip_pci_driver);
 	hisi_zip_unregister_debugfs();
 }
-- 
2.7.4