From patchwork Tue Oct 8 06:15:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 13825665 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 D44CECED26E for ; Tue, 8 Oct 2024 06:17:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id: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=Cjo38g/9iHC/6FBWZvMfN8fjsKUFbWK04fqqkfFuAHY=; b=WOLdPRIP2ndsQh PsWiwZLwqswrp4A0hXfDDDw/ixm/iHZdVqrGS2k6vS/uBRasQyCXdr8NRBHi4Fj6HhSCyASQ/cPlo 0gkEOmBAxsc9h+rdKnr1nRbClic2Pd8NPqnl53fNxPuigTK4PFsBfp6UOixW8/T62m6Y+hbrNsx2c oUkvQMElm1t7+XjMIFrnEVxE7cX5l6RiSwXQqRNUc/d5Yjez0y3W4KYvzhDkfot2nYdLAxUpvacLo NiJX8ffZx1lI36m6E6ZOvplIHC2VnDnlEKSSOXmK7SHStOZ2OR3BqAR0kXMc0l/kF5KnVKJcU1cRf KZkiA7uobVpcUdr3oaTw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1sy3Wv-00000004cnv-1lZR; Tue, 08 Oct 2024 06:17:09 +0000 Received: from mail-m12792.qiye.163.com ([115.236.127.92]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1sy3Wt-00000004cmf-1XqR for linux-rockchip@lists.infradead.org; Tue, 08 Oct 2024 06:17:08 +0000 DKIM-Signature: a=rsa-sha256; b=CUV9JQ6TT2aQrm0e8FD1ZsjGt5wb9K9sADQwmJlXb7ulBtlgwtlT3cghiWc4PhQ5mIHuB1TBC0zBEtj18UGFnduRctYHYxlSd2q9KnHggh/bAKvKW0bTzjm6/6KY9TTdz5PLjDz/I7IXTaGVQKYu13qnH+HqRJ5crGaLDkBgsSM=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=sDFPfh0ntBvyHdRIGFyGIID/VxPyFOd/6skrF31OfxY=; h=date:mime-version:subject:message-id:from; Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTPA id 2C382520783; Tue, 8 Oct 2024 14:16:40 +0800 (CST) From: Shawn Lin To: Rob Herring , "James E . J . Bottomley" , "Martin K . Petersen" , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , Heiko Stuebner Cc: Manivannan Sadhasivam , Alim Akhtar , Avri Altman , Bart Van Assche , YiFeng Zhao , Liang Chen , linux-scsi@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Shawn Lin Subject: [PATCH v3 4/5] soc: rockchip: power-domain: Add GENPD_FLAG_RPM_ALWAYS_ON support Date: Tue, 8 Oct 2024 14:15:29 +0800 Message-Id: <1728368130-37213-5-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1728368130-37213-1-git-send-email-shawn.lin@rock-chips.com> References: <1728368130-37213-1-git-send-email-shawn.lin@rock-chips.com> X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGh5MHVZKGEoeS0lPTE0ZShlWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSUhCSE NVSktLVUpCS0tZBg++ X-HM-Tid: 0a926ac5cda303afkunm2c382520783 X-HM-MType: 1 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6PDI6Kzo5LTItDBYrGSMhN00u CxMaCwpVSlVKTElDSE1DSUtKQkNMVTMWGhIXVQgTGgwVVRcSFTsJFBgQVhgTEgsIVRgUFkVZV1kS C1lBWU5DVUlJVUxVSkpPWVdZCAFZQUhLQ003Bg++ X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241007_231707_600684_9DDD1334 X-CRM114-Status: GOOD ( 11.55 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org If low level driver claims to keep its own power domain always on, let pd driver respect the flag of GENPD_FLAG_RPM_ALWAYS_ON. Signed-off-by: Shawn Lin --- Changes in v3: None Changes in v2: None drivers/pmdomain/rockchip/pm-domains.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index cb0f938..b2bb458 100644 --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -621,6 +621,9 @@ static int rockchip_pd_power_off(struct generic_pm_domain *domain) { struct rockchip_pm_domain *pd = to_rockchip_pd(domain); + if (pd->genpd.flags & GENPD_FLAG_RPM_ALWAYS_ON) + return 0; + return rockchip_pd_power(pd, false); }