From patchwork Mon Nov 4 07:31:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 841287 Received: from mail-m254101.xmail.ntesmail.com (mail-m254101.xmail.ntesmail.com [103.129.254.101]) (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 8691018C038; Mon, 4 Nov 2024 08:09:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=103.129.254.101 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730707753; cv=none; b=NrFLruIkS+dfMvoJ4p4/GIgP9kBqLftdh8n3HE7a+ZfzaqzHCocZJGJlDNmRwQhyrPGpXm+Eo/kxDOBbNKTt+Npo8X1aazjYZZ1e9qkUonW3VpYRpWybfpi8aDrBMNxjlLaKoav1u63Xi0svXS4rAGtlIKNNtBl+qv/5Ny9yFWk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730707753; c=relaxed/simple; bh=lfnrQPol+C2Z7HuPeo25dXqYb+63uR1PrYZQiUu0njo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=qEDP0F8yAOmwsHngeIBiH/IhaUp2Y/vNrnMTXnl+AVdrClUgsqveS5hcfYXJxWDo3qfJeG4hH9nuu5p+zgymcLOY/wqwah2KrqEiLhpUV1/MZHHXcus9383QgOPXhxjSaoILHn4iJylI3XMqRSAF7ifc1r9Ns68L3JEuxWnNaHQ= 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=KOc/V3TO; arc=none smtp.client-ip=103.129.254.101 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="KOc/V3TO" Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 1b5f869f; Mon, 4 Nov 2024 15:33:40 +0800 (GMT+08:00) From: Shawn Lin To: Rob Herring , "James E . J . Bottomley" , "Martin K . Petersen" , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , Heiko Stuebner , "Rafael J . Wysocki" Cc: Manivannan Sadhasivam , Alim Akhtar , Avri Altman , Bart Van Assche , YiFeng Zhao , Liang Chen , linux-scsi@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Shawn Lin Subject: [PATCH v4 5/7] pmdomain: rockchip: Add smc call to inform firmware Date: Mon, 4 Nov 2024 15:31:59 +0800 Message-Id: <1730705521-23081-6-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1730705521-23081-1-git-send-email-shawn.lin@rock-chips.com> References: <1730705521-23081-1-git-send-email-shawn.lin@rock-chips.com> X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGktJGVZJT0hMS0IfSx1JH0tWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSUhCSE NVSktLVUpCS0tZBg++ X-HM-Tid: 0a92f617feb709cckunm1b5f869f X-HM-MType: 1 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6Nxw6Vgw4PzIqKDpNDiM8NQ04 KgMwCwJVSlVKTEhLTEtOTUlJSE9PVTMWGhIXVQgTGgwVVRcSFTsJFBgQVhgTEgsIVRgUFkVZV1kS C1lBWU5DVUlJVUxVSkpPWVdZCAFZQUpPTEo3Bg++ DKIM-Signature: a=rsa-sha256; b=KOc/V3TOi9CZ+bjGn0XBxZzJxc1ucrWpUkLu9Mto0M5wPnRkMSSVRTi+r+4YrC75jwQAy6JCr0KHm7eTX7ADwMMdsZja1RtfkDAYJnCDDSCN0mCrk6hnh0K57xKUAj7XfnNGO3o2hU0vZUP7xggLECJhVAthb43p1aovPmW919A=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=5bC3QYHOjJ3/vZ0+0nCR2up4r8RzKDUexJly/sw7L6Y=; h=date:mime-version:subject:message-id:from; Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Inform firmware to keep the power domain on or off. Suggested-by: Ulf Hansson Signed-off-by: Shawn Lin --- Changes in v4: None Changes in v3: None Changes in v2: None drivers/pmdomain/rockchip/pm-domains.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index cb0f938..8b5dd7f 100644 --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -5,6 +5,7 @@ * Copyright (c) 2015 ROCKCHIP, Co. Ltd. */ +#include #include #include #include @@ -20,6 +21,7 @@ #include #include #include +#include #include #include #include @@ -567,6 +569,11 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, genpd->name, is_on); return; } + + /* Inform firmware to keep this pd on or off */ + arm_smccc_smc(ROCKCHIP_SIP_SUSPEND_MODE, ROCKCHIP_SLEEP_PD_CONFIG, + pmu->info->pwr_offset + pd_pwr_offset, + pd->info->pwr_mask, on, 0, 0, 0, NULL); } static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)