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[209.132.180.67]) by mx.google.com with ESMTP id n24-v6si4394454pgj.14.2018.08.27.03.59.12; Mon, 27 Aug 2018 03:59:27 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@codeaurora.org header.s=default header.b=Zp3y6Gy9; dkim=pass header.i=@codeaurora.org header.s=default header.b=JKFO5tkY; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727257AbeH0Onf (ORCPT + 99 others); Mon, 27 Aug 2018 10:43:35 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:39536 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726785AbeH0Onf (ORCPT ); Mon, 27 Aug 2018 10:43:35 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 5609B607C3; Mon, 27 Aug 2018 10:57:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1535367445; bh=NC/wWMEEcBggaXBM+ZWXvHgSsRW9eNaBhPHQLOwetPE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Zp3y6Gy9PPBfbs+wNl5GfFmcOj/kLvn4X+SnP/dxcOkB0duK0kAoJmap95scR5li2 7OPCnXzMiLAL765dkqJCzuzAp+72MuLK8eYdH/bRV+fc77BcFJHbjyxJb7t/XMEILW PjFkGHNavzC9IzwkAmYSzEVGtu8iwuJJnKqvTvyM= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_SIGNED,T_DKIM_INVALID autolearn=no autolearn_force=no version=3.4.0 Received: from blr-ubuntu-41.ap.qualcomm.com (blr-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: vivek.gautam@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 20A7060711; Mon, 27 Aug 2018 10:57:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1535367439; bh=NC/wWMEEcBggaXBM+ZWXvHgSsRW9eNaBhPHQLOwetPE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JKFO5tkY5lSj82fAVm7RLyVDNA7/Rh76R0O+LPHl0OYwYq1SfQF0W13Vq3Xj3nNYk FesnjkVxdCyRora+RD1nXfOdFkOQaDXChamURG5kjC7/g8DmidSBn7lBf88QEgqlJs K3uTpQMg0dWRm+XGO1zZk7CJUD8nOaC0lhxsvY28= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 20A7060711 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=vivek.gautam@codeaurora.org From: Vivek Gautam To: joro@8bytes.org, robh+dt@kernel.org, robin.murphy@arm.com, will.deacon@arm.com, iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, freedreno@lists.freedesktop.org Cc: alex.williamson@redhat.com, mark.rutland@arm.com, rjw@rjwysocki.net, robdclark@gmail.com, andy.gross@linaro.org, linux-pm@vger.kernel.org, sboyd@kernel.org, tfiga@chromium.org, jcrouse@codeaurora.org, sricharan@codeaurora.org, m.szyprowski@samsung.com, architt@codeaurora.org, linux-arm-msm@vger.kernel.org, Vivek Gautam Subject: [Patch v15 3/5] iommu/arm-smmu: Add the device_link between masters and smmu Date: Mon, 27 Aug 2018 16:25:49 +0530 Message-Id: <20180827105551.16346-4-vivek.gautam@codeaurora.org> X-Mailer: git-send-email 2.16.1.72.g5be1f00a9a70 In-Reply-To: <20180827105551.16346-1-vivek.gautam@codeaurora.org> References: <20180827105551.16346-1-vivek.gautam@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sricharan R Finally add the device link between the master device and smmu, so that the smmu gets runtime enabled/disabled only when the master needs it. This is done from add_device callback which gets called once when the master is added to the smmu. Signed-off-by: Sricharan R Signed-off-by: Vivek Gautam Reviewed-by: Tomasz Figa Tested-by: Srinivas Kandagatla --- Changes since v14: - none. drivers/iommu/arm-smmu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 23b4a60149b6..b5e7f72d418c 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1461,6 +1461,9 @@ static int arm_smmu_add_device(struct device *dev) iommu_device_link(&smmu->iommu, dev); + device_link_add(dev, smmu->dev, + DL_FLAG_PM_RUNTIME | DL_FLAG_AUTOREMOVE_SUPPLIER); + return 0; out_cfg_free: -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation