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=-9.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 CC172C3A5A1 for ; Wed, 28 Aug 2019 09:14:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9CFFD20856 for ; Wed, 28 Aug 2019 09:14:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="GcnM6a6m" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9CFFD20856 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PnAEoVjzTYBWoc2vnr8DFPK4mAvmeGITsf4Qh+7nF9o=; b=GcnM6a6mefy+aq hBOHPTp1Sa/Iq7rBYltzc0DUTnYlGSh7E8RvtrEnjNAweuk3Jbw+P3yVWdffk9gUIZnY/6IUId8Rq LbSxCO4Fa45UkPKGEhRKF5FV9nuMIt5s8m+xKfWZvzYqopQKRrNJt0A0mFDhHIid27kRaUsiIKBfY MqHXnKT01KTVKZ8W9lIH5F8Bfs4DQLt2/POlzaLkiASXf5clYEcux5FaMTpPj6pnvNXVV02kiZmPV XREwhZOfkS3Aj47qXR2W3UXpxgBFOuKCfbCmu6EQ66i4vMG8CuAo1BhVf7k6cj2pYPhwqsuA63CrG 6GgaUz+eCYKfuFmsdRKA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i2u29-0004AM-HD; Wed, 28 Aug 2019 09:14:29 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i2tzy-0002a0-Br; Wed, 28 Aug 2019 09:12:16 +0000 X-UUID: 1c5aa123bb1847779d3d4b36e7f8821e-20190828 X-UUID: 1c5aa123bb1847779d3d4b36e7f8821e-20190828 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1369138268; Wed, 28 Aug 2019 01:12:13 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 28 Aug 2019 02:12:12 -0700 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; Wed, 28 Aug 2019 17:12:05 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 28 Aug 2019 17:12:04 +0800 From: Weiyi Lu To: Nicolas Boichat , Matthias Brugger , Rob Herring Subject: [PATCH v7 07/13] soc: mediatek: Refactor bus protection control Date: Wed, 28 Aug 2019 17:11:40 +0800 Message-ID: <1566983506-26598-8-git-send-email-weiyi.lu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1566983506-26598-1-git-send-email-weiyi.lu@mediatek.com> References: <1566983506-26598-1-git-send-email-weiyi.lu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: CECD0B24204F4528E02BAC5A3B092088CD14B0F68055E3EE39B9525D0F003D092000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190828_021214_594711_75C26E58 X-CRM114-Status: GOOD ( 10.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: James Liao , Weiyi Lu , srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, Fan Chen , linux-mediatek@lists.infradead.org, Yong Wu , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Put bus protection enable and disable control in separate functions. Signed-off-by: Weiyi Lu --- drivers/soc/mediatek/mtk-scpsys.c | 44 ++++++++++++++++++++++++++------------- 1 file changed, 30 insertions(+), 14 deletions(-) diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index ad0f619..fb2b027 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -274,6 +274,30 @@ 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; + + if (!scpd->data->bus_prot_mask) + return 0; + + return mtk_infracfg_set_bus_protection(scp->infracfg, + scpd->data->bus_prot_mask, + scp->bus_prot_reg_update); +} + +static int scpsys_bus_protect_disable(struct scp_domain *scpd) +{ + struct scp *scp = scpd->scp; + + if (!scpd->data->bus_prot_mask) + return 0; + + return mtk_infracfg_clear_bus_protection(scp->infracfg, + scpd->data->bus_prot_mask, + scp->bus_prot_reg_update); +} + static int scpsys_power_on(struct generic_pm_domain *genpd) { struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd); @@ -316,13 +340,9 @@ 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; @@ -344,13 +364,9 @@ 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) -- 1.8.1.1.dirty _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel