From patchwork Wed Feb 5 06:15:53 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 13960635 Received: from mail-m32106.qiye.163.com (mail-m32106.qiye.163.com [220.197.32.106]) (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 4C7CD21517A; Wed, 5 Feb 2025 06:53:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.32.106 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738738414; cv=none; b=ehmwja7kL6uy5eSeVLsJR6fHDczGZ5FDBDtaJeXUkfegYL3QvgrPtXfNdDBTNGJi3w1zx/Cy2TyHcZ/gSaTjOk1KKLN8oQkYUMzgtGnDrHMtVuly+jpTp9zfjiJDaRk/6EiITFe06L9s7jOdvse1sK/7P2ov700PGvAEwirz+Y4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738738414; c=relaxed/simple; bh=6LfC/+hxkWODSNfdbRXqrV0Uf4eVdmEha4lCh7Eyti4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=Py/W9b4xGl1/q1d4r4pcumvnDaHTzZ3AxbFFifaQSxjihJO8kBAXcvrie0pS9yHz6O0NyhBPDjS7xJSk+EnQ3K/HvUlFzoOw49GljBUDnnHSo13w6tPo3cXjY7X/ekIfCA4cVTZ59FUh3un/p4CipFctII20dErgg24fyZqIopI= 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=fCXEvJWu; arc=none smtp.client-ip=220.197.32.106 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="fCXEvJWu" Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id a34e5276; Wed, 5 Feb 2025 14:18:01 +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 v7 4/7] pmdomain: rockchip: Add smc call to inform firmware Date: Wed, 5 Feb 2025 14:15:53 +0800 Message-Id: <1738736156-119203-5-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1738736156-119203-1-git-send-email-shawn.lin@rock-chips.com> References: <1738736156-119203-1-git-send-email-shawn.lin@rock-chips.com> X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGhpLSlZDGEpDTk1DS0wfTRhWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSEpPSE xVSktLVUpCS0tZBg++ X-HM-Tid: 0a94d4c2269109cckunma34e5276 X-HM-MType: 1 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6P006DTo6GjIQEgsVAjE2HD1N SCEKCR5VSlVKTEhDTEhNSUNJQ05IVTMWGhIXVQgTGgwVVRcSFTsJFBgQVhgTEgsIVRgUFkVZV1kS C1lBWU5DVUlJVUxVSkpPWVdZCAFZQUpDTkM3Bg++ DKIM-Signature: a=rsa-sha256; b=fCXEvJWuLsvPgrGLGT5ExfBzzHgzCPW3GBov5Ar/NMn7kPdgNthTCDi18PzbwWFjNd7qW/OoTXarDnJxLU9PRUhVJF/nn3solaxeItiETTcfCbEOzN/6UEcgosU5YZQDW+PvcKjFm7oVhodcoYAdDjIJ3o8lRvpEpCxipWkuQ4Q=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=Sib3I63BwfnatprSuRo70HccUY+dH3D4nrpYCFtYS2s=; h=date:mime-version:subject:message-id:from; Precedence: bulk X-Mailing-List: linux-scsi@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 v7: None Changes in v6: None 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)