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[209.132.180.67]) by mx.google.com with ESMTP id b63si6646138pfa.250.2018.11.27.21.55.41; Tue, 27 Nov 2018 21:55:57 -0800 (PST) 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=@nvidia.com header.s=n1 header.b=QMDpWxfv; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727324AbeK1Qzd (ORCPT + 99 others); Wed, 28 Nov 2018 11:55:33 -0500 Received: from hqemgate14.nvidia.com ([216.228.121.143]:15924 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726972AbeK1Qzd (ORCPT ); Wed, 28 Nov 2018 11:55:33 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 27 Nov 2018 21:55:08 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 27 Nov 2018 21:55:06 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 27 Nov 2018 21:55:06 -0800 Received: from [10.19.225.182] (172.20.13.39) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 28 Nov 2018 05:55:04 +0000 Subject: Re: [PATCH v3 3/3] thermal: tegra: parse sensor id before sensor register To: , , CC: , , , References: <1543383877-20555-1-git-send-email-wni@nvidia.com> <1543383877-20555-4-git-send-email-wni@nvidia.com> From: Wei Ni Message-ID: <53d249f6-58a5-89b7-9e95-74c8b036251b@nvidia.com> Date: Wed, 28 Nov 2018 13:55:02 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <1543383877-20555-4-git-send-email-wni@nvidia.com> X-Originating-IP: [172.20.13.39] X-ClientProxiedBy: HQMAIL103.nvidia.com (172.20.187.11) To HQMAIL101.nvidia.com (172.20.187.10) Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1543384508; bh=PGAqS0UP1aKisDzMp68cgAdcSV4kvQM5QQTXO3RZRb8=; h=X-PGP-Universal:Subject:To:CC:References:From:Message-ID:Date: User-Agent:MIME-Version:In-Reply-To:X-Originating-IP: X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=QMDpWxfvq5JYHZGGsQYcYa4b/VADPai1Ai9WYdmHxPzBlQMfqSRM6tK4qQT54EmKO 2F+1DTXtlSvmBXYpExIeK5ItXaCqrlhnm0BZZXMo0UREzCFY5Aefrxjd8OTUV8oX1E lviDBkr55WhqgVU1ulXi6f34a0ECfc7eAOL7/SgNk8dP0TN3TSTHqyH6dJPUAV/gcO MczHTjxxsURynPMOyALVmkAx0EULZr+XjAdL7biWdnW1jsO4LrG5t0dFFSx5LZJ5Zo o4U3DwsrC6ezEXlqQ50i08nN2zBn3hoXvmA4qst08PFW4Se3MvOnTiKrhO1yYGrZCX KoFqmuOCquT7g== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Daniel, I updated my patch to parse the sensor id, please take a look. Wei. On 28/11/2018 1:44 PM, Wei Ni wrote: > Since different platforms may not support all 4 > sensors, so the sensor registration may be failed. > Add codes to parse dt to find sensor id which > need to be registered. So that the registration > can be successful on all platform. > > Signed-off-by: Wei Ni > --- > drivers/thermal/tegra/soctherm.c | 46 ++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 44 insertions(+), 2 deletions(-) > > diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c > index 375cadbc24cd..79e4628224d7 100644 > --- a/drivers/thermal/tegra/soctherm.c > +++ b/drivers/thermal/tegra/soctherm.c > @@ -1224,6 +1224,44 @@ static void soctherm_init(struct platform_device *pdev) > tegra_soctherm_throttle(&pdev->dev); > } > > +static bool tegra_soctherm_find_sensor_id(int sensor_id) > +{ > + int id; > + bool ret = false; > + struct of_phandle_args sensor_specs; > + struct device_node *np, *sensor_np; > + > + np = of_find_node_by_name(NULL, "thermal-zones"); > + if (!np) > + return ret; > + > + sensor_np = of_get_next_child(np, NULL); > + for_each_available_child_of_node(np, sensor_np) { > + if (of_parse_phandle_with_args(sensor_np, "thermal-sensors", > + "#thermal-sensor-cells", > + 0, &sensor_specs)) > + continue; > + > + if (sensor_specs.args_count != 1) { > + WARN(sensor_specs.args_count > 1, > + "%s: wrong cells in sensor specifier %d\n", > + sensor_specs.np->name, sensor_specs.args_count); > + continue; > + } else { > + id = sensor_specs.args[0]; > + if (sensor_id == id) { > + ret = true; > + break; > + } > + } > + } > + > + of_node_put(np); > + of_node_put(sensor_np); > + > + return ret; > +} > + > static const struct of_device_id tegra_soctherm_of_match[] = { > #ifdef CONFIG_ARCH_TEGRA_124_SOC > { > @@ -1365,13 +1403,15 @@ static int tegra_soctherm_probe(struct platform_device *pdev) > zone->sg = soc->ttgs[i]; > zone->ts = tegra; > > + if (!tegra_soctherm_find_sensor_id(soc->ttgs[i]->id)) > + continue; > z = devm_thermal_zone_of_sensor_register(&pdev->dev, > soc->ttgs[i]->id, zone, > &tegra_of_thermal_ops); > if (IS_ERR(z)) { > err = PTR_ERR(z); > - dev_err(&pdev->dev, "failed to register sensor: %d\n", > - err); > + dev_err(&pdev->dev, "failed to register sensor %s: %d\n", > + soc->ttgs[i]->name, err); > goto disable_clocks; > } > > @@ -1434,6 +1474,8 @@ static int __maybe_unused soctherm_resume(struct device *dev) > struct thermal_zone_device *tz; > > tz = tegra->thermctl_tzs[soc->ttgs[i]->id]; > + if (!tz) > + continue; > err = tegra_soctherm_set_hwtrips(dev, soc->ttgs[i], tz); > if (err) { > dev_err(&pdev->dev, >