From patchwork Fri Mar 7 03:44:27 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guangjie Song X-Patchwork-Id: 14005902 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 34B29C282D0 for ; Fri, 7 Mar 2025 04:25:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=sU3h0eaFXYPqC3e2k4MHt7fjqxpzTFLJ0a6eRbjSVFI=; b=GF9sj+RXsxwE0vpIr2AEsKryMn blUlI3Rs+TLEfylGZAKiGHpc5jctQnf/vfhLwqDNiurDf9xsDCCYh+x56XNnIuLVT/0H2vnfCwT6P J0US54ALC27+7L9Wt9RhHsjCsHayUOSXYrHdM9b61mTTrq8QpCUnHohuLkq0uyxZ6nzF9Sw+6zSLV Mx/Cif2ITEjknRi6720eZSZhtIkhzyJi/F9Ra1+MUOmjfJ8tY2jiBXGdzCzTV2+oCdm/j+cH6dlal zudBfM5LnktQ4Mrhsk72xl0sbjOQZaLUJNa33AEuxhjHzZbr4nkBJSYG3kLn7jOCUp53xr3hczZoL AjKf9m6A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tqPH2-0000000D6zM-18K1; Fri, 07 Mar 2025 04:25:24 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tqOe3-0000000D23p-0HSL; Fri, 07 Mar 2025 03:45:08 +0000 X-UUID: 8ce027aafb0611efa1e849db4cc18d44-20250306 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=sU3h0eaFXYPqC3e2k4MHt7fjqxpzTFLJ0a6eRbjSVFI=; b=E1loSGgIAqp91iu3zXfJp7s2iTaZ7Omon2yFoWGbjH/nJMBeHaCqp3nDNtN4cSursjCZCjgCd3P06CTgM5Ab2grBLQxjOjMN3i+wg4pD+WcPr2Kk37gwmb/83ZGhIlnuZBayVcCA0qY5eBmeJ8YtB1HLN3bvLd/VRFrDLuVWcHI=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.2.1,REQID:27bcac80-d548-4a13-abbc-a3a514ed5a13,IP:0,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:0 X-CID-META: VersionHash:0ef645f,CLOUDID:150d08c6-16da-468a-87f7-8ca8d6b3b9f7,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102,TC:nil,Content:0|50,EDM:-3 ,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV :0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 8ce027aafb0611efa1e849db4cc18d44-20250306 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 884956955; Thu, 06 Mar 2025 20:45:02 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.28; Fri, 7 Mar 2025 11:44:59 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1258.28 via Frontend Transport; Fri, 7 Mar 2025 11:44:58 +0800 From: Guangjie Song To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Ulf Hansson CC: , , , , , Guangjie Song , Subject: [PATCH 03/13] pmdomain: mediatek: Support power on bypass Date: Fri, 7 Mar 2025 11:44:27 +0800 Message-ID: <20250307034454.12243-4-guangjie.song@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20250307034454.12243-1-guangjie.song@mediatek.com> References: <20250307034454.12243-1-guangjie.song@mediatek.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250306_194507_108923_B089376B X-CRM114-Status: GOOD ( 11.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Support power on bypass in pmdomain driver probe. Signed-off-by: Guangjie Song --- drivers/pmdomain/mediatek/mtk-scpsys.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/pmdomain/mediatek/mtk-scpsys.c b/drivers/pmdomain/mediatek/mtk-scpsys.c index 9d03249284d6..3c8b5d8e7ee9 100644 --- a/drivers/pmdomain/mediatek/mtk-scpsys.c +++ b/drivers/pmdomain/mediatek/mtk-scpsys.c @@ -27,6 +27,7 @@ #define MTK_SCPD_FWAIT_SRAM BIT(1) #define MTK_SCPD_SRAM_ISO BIT(2) #define MTK_SCPD_SRAM_SLP BIT(3) +#define MTK_SCPD_BYPASS_INIT_ON BIT(4) #define MTK_SCPD_CAPS(_scpd, _x) ((_scpd)->data->caps & (_x)) #define SPM_VDE_PWR_CON 0x0210 @@ -569,7 +570,10 @@ static void mtk_register_power_domains(struct platform_device *pdev, * software. The unused domains will be switched off during * late_init time. */ - on = !WARN_ON(genpd->power_on(genpd) < 0); + if (MTK_SCPD_CAPS(scpd, MTK_SCPD_BYPASS_INIT_ON)) + on = false; + else + on = !WARN_ON(genpd->power_on(genpd) < 0); pm_genpd_init(genpd, NULL, !on); }