From patchwork Tue Jul 7 01:15:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: liulongfang X-Patchwork-Id: 11647259 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 76C7560D for ; Tue, 7 Jul 2020 01:16:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 67908206F6 for ; Tue, 7 Jul 2020 01:16:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727038AbgGGBQU (ORCPT ); Mon, 6 Jul 2020 21:16:20 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:7258 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726961AbgGGBQU (ORCPT ); Mon, 6 Jul 2020 21:16:20 -0400 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 96AA440B646FA4722004 for ; Tue, 7 Jul 2020 09:16:16 +0800 (CST) Received: from huawei.com (10.67.165.24) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.487.0; Tue, 7 Jul 2020 09:16:15 +0800 From: Longfang Liu To: CC: Subject: [PATCH v2 1/5] crypto: hisilicon/sec2 - clear SEC debug regs Date: Tue, 7 Jul 2020 09:15:37 +0800 Message-ID: <1594084541-22177-2-git-send-email-liulongfang@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1594084541-22177-1-git-send-email-liulongfang@huawei.com> References: <1594084541-22177-1-git-send-email-liulongfang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-CFilter-Loop: Reflected Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Kai Ye SEC debug registers aren't cleared even if its driver is removed, so add a clearing operation in driver removing. Signed-off-by: Kai Ye Reviewed-by: Longfang Liu --- drivers/crypto/hisilicon/sec2/sec_main.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c index 57de51f..d5f0589 100644 --- a/drivers/crypto/hisilicon/sec2/sec_main.c +++ b/drivers/crypto/hisilicon/sec2/sec_main.c @@ -346,10 +346,17 @@ static int sec_set_user_domain_and_cache(struct hisi_qm *qm) /* sec_debug_regs_clear() - clear the sec debug regs */ static void sec_debug_regs_clear(struct hisi_qm *qm) { + int i; + /* clear current_qm */ writel(0x0, qm->io_base + QM_DFX_MB_CNT_VF); writel(0x0, qm->io_base + QM_DFX_DB_CNT_VF); + /* clear sec dfx regs */ + writel(0x1, qm->io_base + SEC_CTRL_CNT_CLR_CE); + for (i = 0; i < ARRAY_SIZE(sec_dfx_regs); i++) + readl(qm->io_base + sec_dfx_regs[i].offset); + /* clear rdclr_en */ writel(0x0, qm->io_base + SEC_CTRL_CNT_CLR_CE);