From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDD21C43381 for ; Tue, 19 Mar 2019 08:02:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AAD682133D for ; Tue, 19 Mar 2019 08:02:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727472AbfCSICN (ORCPT ); Tue, 19 Mar 2019 04:02:13 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:26558 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727359AbfCSICI (ORCPT ); Tue, 19 Mar 2019 04:02:08 -0400 X-UUID: d455e296b7c545218c3041a215895bb3-20190319 X-UUID: d455e296b7c545218c3041a215895bb3-20190319 Received: from mtkcas09.mediatek.inc [(172.21.101.178)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 2035059390; Tue, 19 Mar 2019 16:01:59 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 19 Mar 2019 16:01:57 +0800 Received: from mtkslt210.mediatek.inc (10.21.14.14) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 19 Mar 2019 16:01:57 +0800 From: Weiyi Lu To: Nicolas Boichat , Matthias Brugger , Rob Herring CC: James Liao , Fan Chen , , , , , Weiyi Lu Subject: [PATCH v5 08/14] soc: mediatek: Refactor bus protection control Date: Tue, 19 Mar 2019 16:01:34 +0800 Message-ID: <20190319080140.24055-9-weiyi.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20190319080140.24055-1-weiyi.lu@mediatek.com> References: <20190319080140.24055-1-weiyi.lu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-SNTS-SMTP: 7452B14D2C8EAE5A2D00E5AAF9E1BC76113EB804BDB93A28DFE115EE7D9EEA482000:8 X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Put bus protection enable and disable control in separate functions. Signed-off-by: Weiyi Lu --- drivers/soc/mediatek/mtk-scpsys.c | 48 ++++++++++++++++++++++--------- 1 file changed, 34 insertions(+), 14 deletions(-) diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index 65b734b40098..6bf846cb1893 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -279,6 +279,34 @@ static int scpsys_sram_disable(struct scp_domain *scpd, void __iomem *ctl_addr) MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT); } +static int scpsys_bus_protect_enable(struct scp_domain *scpd) +{ + struct scp *scp = scpd->scp; + int ret = 0; + + if (scpd->data->bus_prot_mask) { + ret = mtk_infracfg_set_bus_protection(scp->infracfg, + scpd->data->bus_prot_mask, + scp->bus_prot_reg_update); + } + + return ret; +} + +static int scpsys_bus_protect_disable(struct scp_domain *scpd) +{ + struct scp *scp = scpd->scp; + int ret = 0; + + if (scpd->data->bus_prot_mask) { + ret = mtk_infracfg_clear_bus_protection(scp->infracfg, + scpd->data->bus_prot_mask, + scp->bus_prot_reg_update); + } + + return ret; +} + static int scpsys_power_on(struct generic_pm_domain *genpd) { struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd); @@ -321,13 +349,9 @@ static int scpsys_power_on(struct generic_pm_domain *genpd) if (ret < 0) goto err_pwr_ack; - if (scpd->data->bus_prot_mask) { - ret = mtk_infracfg_clear_bus_protection(scp->infracfg, - scpd->data->bus_prot_mask, - scp->bus_prot_reg_update); - if (ret) - goto err_pwr_ack; - } + ret = scpsys_bus_protect_disable(scpd); + if (ret < 0) + goto err_pwr_ack; return 0; @@ -349,13 +373,9 @@ static int scpsys_power_off(struct generic_pm_domain *genpd) u32 val; int ret, tmp; - if (scpd->data->bus_prot_mask) { - ret = mtk_infracfg_set_bus_protection(scp->infracfg, - scpd->data->bus_prot_mask, - scp->bus_prot_reg_update); - if (ret) - goto out; - } + ret = scpsys_bus_protect_enable(scpd); + if (ret < 0) + goto out; ret = scpsys_sram_disable(scpd, ctl_addr); if (ret < 0) -- 2.18.0