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,URIBL_BLOCKED, 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 614EEC31E4B for ; Fri, 14 Jun 2019 12:31:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 363F421473 for ; Fri, 14 Jun 2019 12:31:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="i2iXEMeu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727915AbfFNMbq (ORCPT ); Fri, 14 Jun 2019 08:31:46 -0400 Received: from hqemgate14.nvidia.com ([216.228.121.143]:13611 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727544AbfFNMbq (ORCPT ); Fri, 14 Jun 2019 08:31:46 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Fri, 14 Jun 2019 05:31:45 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Fri, 14 Jun 2019 05:31:45 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Fri, 14 Jun 2019 05:31:45 -0700 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 14 Jun 2019 12:31:44 +0000 Received: from HQMAIL108.nvidia.com (172.18.146.13) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 14 Jun 2019 12:31:44 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Fri, 14 Jun 2019 12:31:43 +0000 Received: from dhcp-10-19-65-14.client.nvidia.com (Not Verified[10.19.65.14]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Fri, 14 Jun 2019 05:31:44 -0700 From: Bitan Biswas To: Thierry Reding , Jonathan Hunter , Timo Alho , Sivaram Nair , Allison Randal , Thomas Gleixner , , CC: Bitan Biswas Subject: [PATCH V1] firmware: tegra: early resume bpmp Date: Fri, 14 Jun 2019 05:31:39 -0700 Message-ID: <1560515499-1015-1-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=1560515505; bh=exJ9JHFPJP+5N/mN9hpEt8WRKiK/ZQdiCxv0VhMcx2E=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: X-NVConfidentiality:MIME-Version:Content-Type; b=i2iXEMeuyb1JUvpjOVLCFhUjKeIu9f+3JyfYdf2Q1GK83hfu1fo5IxcIAZymXQfdg WveAlyu5pvBl76zU0kud2Gi4tUwtjPXZRpQZkFXo71oXYAN4jl+lww3/LZgihUOIz4 Od/CdXebOvfG9+ODlsh0rU1IgvORAO80a4mZHNMx1j7HNAiMStqBl26uNL2MDr7iPW VvMTPArzFW3UZoCfXT4pv0DabrQUpBtdr8oINBKXf+Lq9BbQk3jKJ/g2C63AKULkeM GwcaS7ggT1A51Hn3x0mryvVNGE26LEJ2LWdNfPKoSbGCdCc5WF531GPYYOyUVJQZm3 HjoBzzDfzfHmg== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Early resume Tegra bpmp to fix Xavier clock rate error as follows: [ 159.017101] of_serial 3110000.serial: calling platform_pm_resume+0x0/0x58 @ 317, parent: cbb [ 159.025501] of_serial 3110000.serial: platform_pm_resume+0x0/0x58 returned 0 after 14 usecs [ 159.033694] tegra-i2c 31c0000.i2c: calling platform_pm_resume+0x0/0x58 @ 317, parent: cbb [ 159.042254] tegra-i2c 31c0000.i2c: failed changing clock rate: -22 [ 159.048216] PM: dpm_run_callback(): platform_pm_resume+0x0/0x58 returns -22 [ 159.055553] tegra-i2c 31c0000.i2c: platform_pm_resume+0x0/0x58 returned -22 after 13072 usecs [ 159.063875] PM: Device 31c0000.i2c failed to resume: error -22 Signed-off-by: Bitan Biswas --- drivers/firmware/tegra/bpmp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c index dd775e8..de09036 100644 --- a/drivers/firmware/tegra/bpmp.c +++ b/drivers/firmware/tegra/bpmp.c @@ -811,7 +811,9 @@ static int __maybe_unused tegra_bpmp_resume(struct device *dev) return 0; } -static SIMPLE_DEV_PM_OPS(tegra_bpmp_pm_ops, NULL, tegra_bpmp_resume); +const struct dev_pm_ops tegra_bpmp_pm_ops = { + .resume_early = tegra_bpmp_resume +}; #if IS_ENABLED(CONFIG_ARCH_TEGRA_186_SOC) || \ IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) -- 2.7.4