From patchwork Tue Mar 19 08:01:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weiyi Lu X-Patchwork-Id: 10858985 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AE4196C2 for ; Tue, 19 Mar 2019 08:05:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EB9D4292ED for ; Tue, 19 Mar 2019 08:05:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E013C29334; Tue, 19 Mar 2019 08:05:35 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8B90A29349 for ; Tue, 19 Mar 2019 08:05:35 +0000 (UTC) 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=r3aMc0U3XhVH7CKmcxsTLLHSSz6bTg7/YudD6EtpZrw=; b=flDQXA5sArqeUo zm2D1BkthmbhOxPi3grMXPC/8VLPe3TMrdACICRrYoU6xf17BZ0OKNouPB1A+N1rmkNCw1+nnDwk5 ij3R7xDxAGHniTctEsQoSFOcogNRw6DWcDv5VeVILDXfZInePyEdyuPrxprcGWn/jDkmkNu+6pf6N WWf1SWCuySkY9c1ue+9sa4jKzbpBm/nfBjOPPfo01S/RgIs8PdFeFCZsKjqUH69nS79yuZe6uDjnd PST1Nqy18wV5+3/2AuN674EUCQYAa7vkjFsVFQeGg8b0WGvITK9SeNbwQVqR+WT4ABGmc54GKzzPi 0sQ5o0wSoyibQINbuamw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h69kX-0003dC-1D; Tue, 19 Mar 2019 08:05:29 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h69hU-00075f-4t; Tue, 19 Mar 2019 08:02:24 +0000 X-UUID: 094faf237e0542538da3d70c0971815e-20190319 X-UUID: 094faf237e0542538da3d70c0971815e-20190319 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 780204793; Tue, 19 Mar 2019 00:02:06 -0800 Received: from MTKMBS01DR.mediatek.inc (172.21.101.111) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 19 Mar 2019 01:02:05 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01dr.mediatek.inc (172.21.101.111) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 19 Mar 2019 16:01:56 +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 16:01:56 +0800 From: Weiyi Lu To: Nicolas Boichat , Matthias Brugger , Rob Herring Subject: [PATCH v5 05/14] soc: mediatek: Refactor regulator control Date: Tue, 19 Mar 2019 16:01:31 +0800 Message-ID: <20190319080140.24055-6-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 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190319_010220_480563_5139444A X-CRM114-Status: GOOD ( 11.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 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, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Put regulator enable and disable control in separate functions. Signed-off-by: Weiyi Lu --- drivers/soc/mediatek/mtk-scpsys.c | 32 ++++++++++++++++++++++--------- 1 file changed, 23 insertions(+), 9 deletions(-) diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index 2855111b221a..765ad4a5e5df 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -192,6 +192,22 @@ static int scpsys_domain_is_on(struct scp_domain *scpd) return -EINVAL; } +static int scpsys_regulator_enable(struct scp_domain *scpd) +{ + if (!scpd->supply) + return 0; + + return regulator_enable(scpd->supply); +} + +static int scpsys_regulator_disable(struct scp_domain *scpd) +{ + if (!scpd->supply) + return 0; + + return regulator_disable(scpd->supply); +} + static int scpsys_power_on(struct generic_pm_domain *genpd) { struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd); @@ -202,11 +218,9 @@ static int scpsys_power_on(struct generic_pm_domain *genpd) int ret, tmp; int i; - if (scpd->supply) { - ret = regulator_enable(scpd->supply); - if (ret) - return ret; - } + ret = scpsys_regulator_enable(scpd); + if (ret < 0) + return ret; for (i = 0; i < MAX_CLKS && scpd->clk[i]; i++) { ret = clk_prepare_enable(scpd->clk[i]); @@ -274,8 +288,7 @@ static int scpsys_power_on(struct generic_pm_domain *genpd) clk_disable_unprepare(scpd->clk[i]); } err_clk: - if (scpd->supply) - regulator_disable(scpd->supply); + scpsys_regulator_disable(scpd); dev_err(scp->dev, "Failed to power on domain %s\n", genpd->name); @@ -334,8 +347,9 @@ static int scpsys_power_off(struct generic_pm_domain *genpd) for (i = 0; i < MAX_CLKS && scpd->clk[i]; i++) clk_disable_unprepare(scpd->clk[i]); - if (scpd->supply) - regulator_disable(scpd->supply); + ret = scpsys_regulator_disable(scpd); + if (ret < 0) + goto out; return 0;