linux-kernel - Re: [PATCH v10 3/4] crypto: hisilicon

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Date:   Thu, 9 Jan 2020 17:40:39 +0000
From:   Jonathan Cameron <Jonathan.Cameron@...wei.com>
To:     Zhangfei Gao <zhangfei.gao@...aro.org>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        <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>, <linux-accelerators@...ts.ozlabs.org>,
        <linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>,
        <iommu@...ts.linux-foundation.org>
Subject: Re: [PATCH v10 3/4] crypto: hisilicon - Remove module_param
 uacce_mode

On Mon, 16 Dec 2019 11:08:16 +0800
Zhangfei Gao <zhangfei.gao@...aro.org> wrote:

> 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>


Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.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 e1bab1a..93345f0 100644
> --- a/drivers/crypto/hisilicon/zip/zip_main.c
> +++ b/drivers/crypto/hisilicon/zip/zip_main.c
> @@ -297,9 +297,6 @@ 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 u32 vfs_num;
>  module_param(vfs_num, uint, 0444);
>  MODULE_PARM_DESC(vfs_num, "Number of VFs to enable(1-63)");
> @@ -791,6 +788,7 @@ 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;
>  
> @@ -798,20 +796,6 @@ 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");
> @@ -1010,12 +994,10 @@ 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;
> @@ -1030,8 +1012,7 @@ 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();
>  }