From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C01B5C31E4B for ; Fri, 14 Jun 2019 12:35:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 950552133D for ; Fri, 14 Jun 2019 12:35:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="sOpvIi5g" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727900AbfFNMfk (ORCPT ); Fri, 14 Jun 2019 08:35:40 -0400 Received: from hqemgate15.nvidia.com ([216.228.121.64]:4943 "EHLO hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727544AbfFNMfk (ORCPT ); Fri, 14 Jun 2019 08:35:40 -0400 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Fri, 14 Jun 2019 05:35:39 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Fri, 14 Jun 2019 05:35:39 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Fri, 14 Jun 2019 05:35:39 -0700 Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL103.nvidia.com (172.20.187.11) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 14 Jun 2019 12:35:39 +0000 Received: from HQMAIL104.nvidia.com (172.18.146.11) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 14 Jun 2019 12:35:39 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL104.nvidia.com (172.18.146.11) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Fri, 14 Jun 2019 12:35:39 +0000 Received: from dhcp-10-19-65-14.client.nvidia.com (Not Verified[10.19.65.14]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Fri, 14 Jun 2019 05:35:38 -0700 From: Bitan Biswas To: Jassi Brar , Thierry Reding , Jonathan Hunter , , CC: Bitan Biswas Subject: [PATCH V1 1/2] mailbox: tegra: hsp: add noirq resume Date: Fri, 14 Jun 2019 05:35:33 -0700 Message-ID: <1560515734-2085-1-git-send-email-bbiswas@nvidia.com> X-Mailer: git-send-email 2.7.4 X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1560515739; bh=zRoMbYIjQMmWezSesd1EA4lPB5v1UP2P6lqtet08dSs=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: X-NVConfidentiality:MIME-Version:Content-Type; b=sOpvIi5g1waVD9YgMnJF5KE/n/9oQrqG4wrDRrHY5VhrC0S/IEIo+L0bMlipzKfB2 N2vWy3S2bfO0jXk+bUmiznz2IT20hzYtDNcc0ch+TkX6+AJJ7MNT52e9fmg9+T7XvN OdBrhQ0a5Ek65uAVAGlLCHRJ09d9Sb66DUHrBVwlbMMZuw3vqWChKHa2KHPHlmBrC8 2VIIevwq27VEyXvfpiJ2NoGRIjhQbblTIR4boCe85ucnL77hrNnZa7oVySxroAF3+x 9VpAcd/1JyC5oAYX2TO0FKXxSWBA5b4w0gcLsojbbqh+wqISHo72bxrOr4EGXy+0+q Xg7mxLeGmqkEQ== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add noirq resume instead of resume callback for Tegra HSP. Tegra HSP resume needs tegra_hsp_doorbell_startup() call to fix timeout error for tegra_bpmp_transfer() during genpd resume noirq on jetson-tx2. Signed-off-by: Bitan Biswas --- drivers/mailbox/tegra-hsp.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c index 91f1a0c..f147374 100644 --- a/drivers/mailbox/tegra-hsp.c +++ b/drivers/mailbox/tegra-hsp.c @@ -771,10 +771,16 @@ static int tegra_hsp_probe(struct platform_device *pdev) return 0; } -static int __maybe_unused tegra_hsp_resume(struct device *dev) +static int __maybe_unused tegra_hsp_noirq_resume(struct device *dev) { struct tegra_hsp *hsp = dev_get_drvdata(dev); unsigned int i; + struct tegra_hsp_doorbell *db; + + list_for_each_entry(db, &hsp->doorbells, list) { + if (db && db->channel.chan) + tegra_hsp_doorbell_startup(db->channel.chan); + } for (i = 0; i < hsp->num_sm; i++) { struct tegra_hsp_mailbox *mb = &hsp->mailboxes[i]; @@ -786,7 +792,9 @@ static int __maybe_unused tegra_hsp_resume(struct device *dev) return 0; } -static SIMPLE_DEV_PM_OPS(tegra_hsp_pm_ops, NULL, tegra_hsp_resume); +static const struct dev_pm_ops tegra_hsp_pm_ops = { + .resume_noirq = tegra_hsp_noirq_resume, +}; static const struct tegra_hsp_db_map tegra186_hsp_db_map[] = { { "ccplex", TEGRA_HSP_DB_MASTER_CCPLEX, HSP_DB_CCPLEX, }, -- 2.7.4