From patchwork Fri Nov 8 06:56:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 842009 Received: from mail-m6093.netease.com (mail-m6093.netease.com [210.79.60.93]) (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 E88D21D0E30; Fri, 8 Nov 2024 06:57:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.79.60.93 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731049081; cv=none; b=eGpO4EKwxy1YeJ1nhXjOt8WjAmMjUqYGOYSdls3pImVzm73EcHtmYqiPp6Y0zTu/a4WLiYn8gt252JsGJOtiVZLC9wdelfPW3gh5smvvF8vTbCpLDlrG9u/osB/7Up70sk+LYqPIAOD7Gy4YpD3v2CRHATXF+/PZvrjRcI9s8QE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731049081; c=relaxed/simple; bh=UcJC9L9802eGFZM5sKRgW3Du9kKWPCcH1zwqSk3Tl2E=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=rbFlmG29wgO+A0QfHCUpdcLKDv/gvebj9AezKUVnu+Xg+m8xPvJZqVKNfVagRB203kCnrhqZXvThTvJ0Bf0h9PoDbt0d5obOko2N1OBGro4I6UO8ymC07dzt3sH+G8+lT9jmMLWUUiz36robMxATvVYKKCcmwo3o1uI5BU7FY3E= 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=DSetdHpX; arc=none smtp.client-ip=210.79.60.93 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="DSetdHpX" Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 22d55c8d; Fri, 8 Nov 2024 14:57:47 +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 v5 4/7] pmdomain: rockchip: Add smc call to inform firmware Date: Fri, 8 Nov 2024 14:56:23 +0800 Message-Id: <1731048987-229149-5-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1731048987-229149-1-git-send-email-shawn.lin@rock-chips.com> References: <1731048987-229149-1-git-send-email-shawn.lin@rock-chips.com> X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZQ0JCHlZPTUNCTUkaSUtMQxlWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSUhCSE NVSktLVUpCS0tZBg++ X-HM-Tid: 0a930a90928209cckunm22d55c8d X-HM-MType: 1 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6PSo6HBw4MzIjNCoPUSpCKwhD Ci0wCQtVSlVKTEhKS09CS01DTUJKVTMWGhIXVQgTGgwVVRcSFTsJFBgQVhgTEgsIVRgUFkVZV1kS C1lBWU5DVUlJVUxVSkpPWVdZCAFZQUpDSk03Bg++ DKIM-Signature: a=rsa-sha256; b=DSetdHpXNXDwak1GGqzp4RY5M6CqTgfsKoF9DlaDV4FxCJqDmR2qyDXKTRun4/bxHzCENUzzqK+fXjcCie4MTCGJG+DqEbJ3wF0TtJux01lW3e/GJoEkD/kgoIy1QtTaF1WSgLCRDC4CcOxUDPzxE9QLq+4mo/4ZmO/WhdobHH4=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=2NyPYvYg2Dghh9vSnqVVMEZ1p9KuX17hf7zqDWcgQNg=; 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 v5: - fix a compile warning Changes in v4: None Changes in v3: None Changes in v2: None drivers/pmdomain/rockchip/pm-domains.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index cb0f938..49842f1 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 @@ -540,6 +542,7 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, struct generic_pm_domain *genpd = &pd->genpd; u32 pd_pwr_offset = pd->info->pwr_offset; bool is_on, is_mem_on = false; + struct arm_smccc_res res; if (pd->info->pwr_mask == 0) return; @@ -567,6 +570,11 @@ 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, &res); } static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)