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: 13826351 Received: from mail-m92248.xmail.ntesmail.com (mail-m92248.xmail.ntesmail.com [103.126.92.248]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3970D1D54D3; Tue, 8 Oct 2024 11:41:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=103.126.92.248 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728387716; cv=none; b=VQbUy4R8lySkjkhKpEtzJJHJxbL1kyAh1j0+v6HX5pytTMO5z7IVskH9sKwMmtuQfO/4+6tIl4MxTstn7ASr+FCsJMxlTjDN0CRnx+PjxNl3Ofj57UgwuGNYz1+GFwZaWIYR6BvtJLMO6/pU40QA7p0Ji/XkV7J+SlKWO3YwooQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728387716; c=relaxed/simple; bh=wFKvfRRQoBJZqY0ukQccdKGlX0xobNOL4S/eBEm4eb0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=bV+e6cnbdaO4eUGjaAA0KzvWG1HzbGoupBO7XVvXz2NGnx9iUQU222seNfsIFz7ZpAoDfRYTKqluAs8tvQ2VP8Vq2OY8LilsjhZEj6W1xg9tnnvyQ6i8CX+aFaI/fhCxVMVKANXOmFysRT3XTIwr8CzeHTRO2P/bcvkpaN6G64E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com; spf=pass smtp.mailfrom=rock-chips.com; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b=CUV9JQ6T; arc=none smtp.client-ip=103.126.92.248 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b="CUV9JQ6T" 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++ Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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); }