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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B83AC433EF for ; Wed, 17 Nov 2021 10:24:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13E3661BFB for ; Wed, 17 Nov 2021 10:24:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236283AbhKQK10 (ORCPT ); Wed, 17 Nov 2021 05:27:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236210AbhKQK1Z (ORCPT ); Wed, 17 Nov 2021 05:27:25 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19219C061570 for ; Wed, 17 Nov 2021 02:24:27 -0800 (PST) Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mnI75-0007i3-9v; Wed, 17 Nov 2021 11:24:23 +0100 Received: from ore by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1mnI70-0000k2-Ab; Wed, 17 Nov 2021 11:24:18 +0100 Date: Wed, 17 Nov 2021 11:24:18 +0100 From: Oleksij Rempel To: Petr Benes Cc: Michal =?utf-8?B?Vm9rw6HEjQ==?= , Daniel Lezcano , linux-pm@vger.kernel.org, Fabio Estevam , Sascha Hauer , Amit Kucheria , linux-kernel@vger.kernel.org, Andrzej Pietrasiewicz , NXP Linux Team , Pengutronix Kernel Team , David Jander , Zhang Rui , Shawn Guo , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2] thermal: imx: implement runtime PM support Message-ID: <20211117102418.GA29712@pengutronix.de> References: <20211019130809.21281-1-o.rempel@pengutronix.de> <20211020050459.GE16320@pengutronix.de> <20211021172048.GE2298@pengutronix.de> <8692108c-1b46-3d3d-6911-300ac27c2980@ysoft.com> <20211111091627.GG12195@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 11:23:01 up 272 days, 13:46, 142 users, load average: 0.00, 0.06, 0.11 User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-pm@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On Mon, Nov 15, 2021 at 04:02:07PM +0100, Petr Benes wrote: > Hi Oleksij, > > On Thu, 11 Nov 2021 at 10:16, Oleksij Rempel wrote: > > > > On Wed, Nov 10, 2021 at 11:07:31AM +0100, Michal Vokáč wrote: > > > On 25. 10. 21 13:06, Petr Benes wrote: > > > > Hi Oleksij, > > > > > > > > On Thu, 21 Oct 2021 at 19:21, Oleksij Rempel wrote: > > > > > > > > > > Hi Petr, > > > > > > > > > > On Wed, Oct 20, 2021 at 05:53:03PM +0200, Petr Benes wrote: > > > > > > On Wed, 20 Oct 2021 at 07:05, Oleksij Rempel wrote: > > > > > > > > > > > > > > Hi Petr and Michal, > > > > > > > > > > > > > > I forgot to add you for v2 in CC. Please test/review this version. > > > > > > > > > > > > Hi Oleksij, > > > > > > > > > > > > It works good. with PM as well as without PM. The only minor issue I found is, > > > > > > that the first temperature reading (when the driver probes) fails. That is > > > > > > (val & soc_data->temp_valid_mask) == 0) holds true. How does > > > > > > pm_runtime_resume_and_get() behave in imx_thermal_probe()? > > > > > > Does it go through imx_thermal_runtime_resume() with usleep_range()? > > > > > > > > > > How exactly did you reproduce it? Even more or less understanding how > > > > > > > > I just placed my debug print into get_temp() > > > > > > > > if ((val & soc_data->temp_valid_mask) == 0) { > > > > dev_dbg(&tz->device, "temp measurement never finished\n"); > > > > printk("Wrong temperature reading!!!!!!\n"); > > > > return -EAGAIN; > > > > } > > > > > > > > > this can potentially happen, i never had this issue on my HW. Is it something > > > > > HW specific? > > > > > > > > IMHO it is just product of the following sequence: > > > > > > > > pm_runtime_set_active(&pdev->dev); > > > > pm_runtime_enable(data->dev); > > > > pm_runtime_resume_and_get(data->dev); > > > > thermal_zone_device_enable(data->tz); > > > > > > > > With assumption imx_thermal_runtime_resume() didn't run, > > > > hence the sensor didn't get enough time to come up. > > > > > > > > I didn't have time to spend it on and you have better knowledge of the > > > > area. If it is not that straightforward I can try to diagnose it better. > > > > > > > Hi Oleksij, > > > Did you manage to further debug and reproduce this problem? > > > Do you plan to send the v3? > > > > > > Regarding your question about the HW - this problem occured once we > > > upgraded the SoC on our SBC from i.MX6DL to i.MX6Q/QP. With the DualLite > > > we never had this problem but the Quad is getting hot quite fast. > > > We have pretty limited cooling options so the core is operated at its > > > upper temperature limits when fully loaded. > > > > Hi Michal, > > > > Sorry, I was busy and lost this topic from my radar. I was not able to > > reproduce it on my i.MX6Q and i.MX6QP died after other thermal voltage > > experiments. Please, if you able to reproduce it, try to investigate > > what is wrong, for example increasing wakeup time and/or and tracing > > sleap/wake/get sequences. > > Seems it is just as easy as calling usleep_range(20, 50) when you switch on > the sensor and enable temperature measurement in imx_thermal_probe(). > So, we are sure the sensor is configured and _ready_. > > You call pm_runtime_set_active(), pm_runtime_enable(), and > pm_runtime_resume_and_get(). The last one doesn't call the resume > callback (which correctly handles waiting for the sensor) as the device > is already active. Ok, thx! It makes sense. I'll send new version with the fix. Regards, Oleksij -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | 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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B713DC433F5 for ; Wed, 17 Nov 2021 10:26:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7CE2061BFA for ; Wed, 17 Nov 2021 10:26:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 7CE2061BFA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PjTzWndgYfzN/VcFfYQTIaho22IZDdyU9qwx80gQsBg=; b=mBZXlDl/+gdht4 gT3bRiYkFDTwYQ/AQrsPK3+zIM8egoT3ViVwzZAyk2h1tBziRa1/eI+E13pFkIMkjdKmIqi5AmUEq 0PNvNJ2OY/nIOlJMMgisKPs3HDvxdmzySYhC+0sdZPYb88o9+t8IQvwUhvyO0iHz/XTx+PV6GswvZ gq1GcDWIqYVD6DGptFu57QUylmyGP6xaf7zYPcqlM2rDe7/QLxe0wSNusZw/JQHJkJLSSBnA03LkA UGzRcNrUueuVcjBWtUqWWj0k4B6j8McWKVkPF7TjYeM3Vc1TOk6DdiQqKZ51Wsenm0d/GsCvtoaW/ gOgGLH9zO+6dVFFgP4iQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mnI7O-004Qjy-Ru; Wed, 17 Nov 2021 10:24:43 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mnI7L-004QjA-0c for linux-arm-kernel@lists.infradead.org; Wed, 17 Nov 2021 10:24:40 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mnI75-0007i3-9v; Wed, 17 Nov 2021 11:24:23 +0100 Received: from ore by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1mnI70-0000k2-Ab; Wed, 17 Nov 2021 11:24:18 +0100 Date: Wed, 17 Nov 2021 11:24:18 +0100 From: Oleksij Rempel To: Petr Benes Cc: Michal =?utf-8?B?Vm9rw6HEjQ==?= , Daniel Lezcano , linux-pm@vger.kernel.org, Fabio Estevam , Sascha Hauer , Amit Kucheria , linux-kernel@vger.kernel.org, Andrzej Pietrasiewicz , NXP Linux Team , Pengutronix Kernel Team , David Jander , Zhang Rui , Shawn Guo , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2] thermal: imx: implement runtime PM support Message-ID: <20211117102418.GA29712@pengutronix.de> References: <20211019130809.21281-1-o.rempel@pengutronix.de> <20211020050459.GE16320@pengutronix.de> <20211021172048.GE2298@pengutronix.de> <8692108c-1b46-3d3d-6911-300ac27c2980@ysoft.com> <20211111091627.GG12195@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 11:23:01 up 272 days, 13:46, 142 users, load average: 0.00, 0.06, 0.11 User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211117_022439_086520_7A5E5617 X-CRM114-Status: GOOD ( 44.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gTW9uLCBOb3YgMTUsIDIwMjEgYXQgMDQ6MDI6MDdQTSArMDEwMCwgUGV0ciBCZW5lcyB3cm90 ZToKPiBIaSBPbGVrc2lqLAo+IAo+IE9uIFRodSwgMTEgTm92IDIwMjEgYXQgMTA6MTYsIE9sZWtz aWogUmVtcGVsIDxvLnJlbXBlbEBwZW5ndXRyb25peC5kZT4gd3JvdGU6Cj4gPgo+ID4gT24gV2Vk LCBOb3YgMTAsIDIwMjEgYXQgMTE6MDc6MzFBTSArMDEwMCwgTWljaGFsIFZva8OhxI0gd3JvdGU6 Cj4gPiA+IE9uIDI1LiAxMC4gMjEgMTM6MDYsIFBldHIgQmVuZXMgd3JvdGU6Cj4gPiA+ID4gSGkg T2xla3NpaiwKPiA+ID4gPgo+ID4gPiA+IE9uIFRodSwgMjEgT2N0IDIwMjEgYXQgMTk6MjEsIE9s ZWtzaWogUmVtcGVsIDxvLnJlbXBlbEBwZW5ndXRyb25peC5kZT4gd3JvdGU6Cj4gPiA+ID4gPgo+ ID4gPiA+ID4gSGkgUGV0ciwKPiA+ID4gPiA+Cj4gPiA+ID4gPiBPbiBXZWQsIE9jdCAyMCwgMjAy MSBhdCAwNTo1MzowM1BNICswMjAwLCBQZXRyIEJlbmVzIHdyb3RlOgo+ID4gPiA+ID4gPiBPbiBX ZWQsIDIwIE9jdCAyMDIxIGF0IDA3OjA1LCBPbGVrc2lqIFJlbXBlbCA8by5yZW1wZWxAcGVuZ3V0 cm9uaXguZGU+IHdyb3RlOgo+ID4gPiA+ID4gPiA+Cj4gPiA+ID4gPiA+ID4gSGkgUGV0ciBhbmQg TWljaGFsLAo+ID4gPiA+ID4gPiA+Cj4gPiA+ID4gPiA+ID4gSSBmb3Jnb3QgdG8gYWRkIHlvdSBm b3IgdjIgaW4gQ0MuIFBsZWFzZSB0ZXN0L3JldmlldyB0aGlzIHZlcnNpb24uCj4gPiA+ID4gPiA+ Cj4gPiA+ID4gPiA+IEhpIE9sZWtzaWosCj4gPiA+ID4gPiA+Cj4gPiA+ID4gPiA+IEl0IHdvcmtz IGdvb2QuIHdpdGggUE0gYXMgd2VsbCBhcyB3aXRob3V0IFBNLiBUaGUgb25seSBtaW5vciBpc3N1 ZSBJIGZvdW5kIGlzLAo+ID4gPiA+ID4gPiB0aGF0IHRoZSBmaXJzdCB0ZW1wZXJhdHVyZSByZWFk aW5nICh3aGVuIHRoZSBkcml2ZXIgcHJvYmVzKSBmYWlscy4gVGhhdCBpcwo+ID4gPiA+ID4gPiAo dmFsICYgc29jX2RhdGEtPnRlbXBfdmFsaWRfbWFzaykgPT0gMCkgaG9sZHMgdHJ1ZS4gSG93IGRv ZXMKPiA+ID4gPiA+ID4gcG1fcnVudGltZV9yZXN1bWVfYW5kX2dldCgpIGJlaGF2ZSBpbiBpbXhf dGhlcm1hbF9wcm9iZSgpPwo+ID4gPiA+ID4gPiBEb2VzIGl0IGdvIHRocm91Z2ggaW14X3RoZXJt YWxfcnVudGltZV9yZXN1bWUoKSB3aXRoIHVzbGVlcF9yYW5nZSgpPwo+ID4gPiA+ID4KPiA+ID4g PiA+IEhvdyBleGFjdGx5IGRpZCB5b3UgcmVwcm9kdWNlIGl0PyBFdmVuIG1vcmUgb3IgbGVzcyB1 bmRlcnN0YW5kaW5nIGhvdwo+ID4gPiA+Cj4gPiA+ID4gSSBqdXN0IHBsYWNlZCBteSBkZWJ1ZyBw cmludCBpbnRvIGdldF90ZW1wKCkKPiA+ID4gPgo+ID4gPiA+ICAgICAgaWYgKCh2YWwgJiBzb2Nf ZGF0YS0+dGVtcF92YWxpZF9tYXNrKSA9PSAwKSB7Cj4gPiA+ID4gICAgICAgICAgZGV2X2RiZygm dHotPmRldmljZSwgInRlbXAgbWVhc3VyZW1lbnQgbmV2ZXIgZmluaXNoZWRcbiIpOwo+ID4gPiA+ ICAgICAgICAgIHByaW50aygiV3JvbmcgdGVtcGVyYXR1cmUgcmVhZGluZyEhISEhIVxuIik7Cj4g PiA+ID4gICAgICAgICAgcmV0dXJuIC1FQUdBSU47Cj4gPiA+ID4gICAgICB9Cj4gPiA+ID4KPiA+ ID4gPiA+IHRoaXMgY2FuIHBvdGVudGlhbGx5IGhhcHBlbiwgaSBuZXZlciBoYWQgdGhpcyBpc3N1 ZSBvbiBteSBIVy4gSXMgaXQgc29tZXRoaW5nCj4gPiA+ID4gPiBIVyBzcGVjaWZpYz8KPiA+ID4g Pgo+ID4gPiA+IElNSE8gaXQgaXMganVzdCBwcm9kdWN0IG9mIHRoZSBmb2xsb3dpbmcgc2VxdWVu Y2U6Cj4gPiA+ID4KPiA+ID4gPiBwbV9ydW50aW1lX3NldF9hY3RpdmUoJnBkZXYtPmRldik7Cj4g PiA+ID4gcG1fcnVudGltZV9lbmFibGUoZGF0YS0+ZGV2KTsKPiA+ID4gPiBwbV9ydW50aW1lX3Jl c3VtZV9hbmRfZ2V0KGRhdGEtPmRldik7Cj4gPiA+ID4gdGhlcm1hbF96b25lX2RldmljZV9lbmFi bGUoZGF0YS0+dHopOwo+ID4gPiA+Cj4gPiA+ID4gV2l0aCBhc3N1bXB0aW9uIGlteF90aGVybWFs X3J1bnRpbWVfcmVzdW1lKCkgZGlkbid0IHJ1biwKPiA+ID4gPiBoZW5jZSB0aGUgc2Vuc29yIGRp ZG4ndCBnZXQgZW5vdWdoIHRpbWUgdG8gY29tZSB1cC4KPiA+ID4gPgo+ID4gPiA+IEkgZGlkbid0 IGhhdmUgdGltZSB0byBzcGVuZCBpdCBvbiBhbmQgeW91IGhhdmUgYmV0dGVyIGtub3dsZWRnZSBv ZiB0aGUKPiA+ID4gPiBhcmVhLiBJZiBpdCBpcyBub3QgdGhhdCBzdHJhaWdodGZvcndhcmQgSSBj YW4gdHJ5IHRvIGRpYWdub3NlIGl0IGJldHRlci4KPiA+ID4gPgo+ID4gPiBIaSBPbGVrc2lqLAo+ ID4gPiBEaWQgeW91IG1hbmFnZSB0byBmdXJ0aGVyIGRlYnVnIGFuZCByZXByb2R1Y2UgdGhpcyBw cm9ibGVtPwo+ID4gPiBEbyB5b3UgcGxhbiB0byBzZW5kIHRoZSB2Mz8KPiA+ID4KPiA+ID4gUmVn YXJkaW5nIHlvdXIgcXVlc3Rpb24gYWJvdXQgdGhlIEhXIC0gdGhpcyBwcm9ibGVtIG9jY3VyZWQg b25jZSB3ZQo+ID4gPiB1cGdyYWRlZCB0aGUgU29DIG9uIG91ciBTQkMgZnJvbSBpLk1YNkRMIHRv IGkuTVg2US9RUC4gV2l0aCB0aGUgRHVhbExpdGUKPiA+ID4gd2UgbmV2ZXIgaGFkIHRoaXMgcHJv YmxlbSBidXQgdGhlIFF1YWQgaXMgZ2V0dGluZyBob3QgcXVpdGUgZmFzdC4KPiA+ID4gV2UgaGF2 ZSBwcmV0dHkgbGltaXRlZCBjb29saW5nIG9wdGlvbnMgc28gdGhlIGNvcmUgaXMgb3BlcmF0ZWQg YXQgaXRzCj4gPiA+IHVwcGVyIHRlbXBlcmF0dXJlIGxpbWl0cyB3aGVuIGZ1bGx5IGxvYWRlZC4K PiA+Cj4gPiBIaSBNaWNoYWwsCj4gPgo+ID4gU29ycnksIEkgd2FzIGJ1c3kgYW5kIGxvc3QgdGhp cyB0b3BpYyBmcm9tIG15IHJhZGFyLiBJIHdhcyBub3QgYWJsZSB0bwo+ID4gcmVwcm9kdWNlIGl0 IG9uIG15IGkuTVg2USBhbmQgaS5NWDZRUCBkaWVkIGFmdGVyIG90aGVyIHRoZXJtYWwgdm9sdGFn ZQo+ID4gZXhwZXJpbWVudHMuIFBsZWFzZSwgaWYgeW91IGFibGUgdG8gcmVwcm9kdWNlIGl0LCB0 cnkgdG8gaW52ZXN0aWdhdGUKPiA+IHdoYXQgaXMgd3JvbmcsIGZvciBleGFtcGxlIGluY3JlYXNp bmcgd2FrZXVwIHRpbWUgYW5kL29yIGFuZCB0cmFjaW5nCj4gPiBzbGVhcC93YWtlL2dldCBzZXF1 ZW5jZXMuCj4gCj4gU2VlbXMgaXQgaXMganVzdCBhcyBlYXN5IGFzIGNhbGxpbmcgdXNsZWVwX3Jh bmdlKDIwLCA1MCkgd2hlbiB5b3Ugc3dpdGNoIG9uCj4gdGhlIHNlbnNvciBhbmQgZW5hYmxlIHRl bXBlcmF0dXJlIG1lYXN1cmVtZW50IGluIGlteF90aGVybWFsX3Byb2JlKCkuCj4gU28sIHdlIGFy ZSBzdXJlIHRoZSBzZW5zb3IgaXMgY29uZmlndXJlZCBhbmQgX3JlYWR5Xy4KPiAKPiBZb3UgY2Fs bCBwbV9ydW50aW1lX3NldF9hY3RpdmUoKSwgcG1fcnVudGltZV9lbmFibGUoKSwgYW5kCj4gcG1f cnVudGltZV9yZXN1bWVfYW5kX2dldCgpLiBUaGUgbGFzdCBvbmUgZG9lc24ndCBjYWxsIHRoZSBy ZXN1bWUKPiBjYWxsYmFjayAod2hpY2ggY29ycmVjdGx5IGhhbmRsZXMgd2FpdGluZyBmb3IgdGhl IHNlbnNvcikgYXMgdGhlIGRldmljZQo+IGlzIGFscmVhZHkgYWN0aXZlLgoKT2ssIHRoeCEgSXQg bWFrZXMgc2Vuc2UuIEknbGwgc2VuZCBuZXcgdmVyc2lvbiB3aXRoIHRoZSBmaXguCgpSZWdhcmRz LApPbGVrc2lqCi0tIApQZW5ndXRyb25peCBlLksuICAgICAgICAgICAgICAgICAgICAgICAgICAg fCAgICAgICAgICAgICAgICAgICAgICAgICAgICAgfApTdGV1ZXJ3YWxkZXIgU3RyLiAyMSAgICAg ICAgICAgICAgICAgICAgICAgfCBodHRwOi8vd3d3LnBlbmd1dHJvbml4LmRlLyAgfAozMTEzNyBI aWxkZXNoZWltLCBHZXJtYW55ICAgICAgICAgICAgICAgICAgfCBQaG9uZTogKzQ5LTUxMjEtMjA2 OTE3LTAgICAgfApBbXRzZ2VyaWNodCBIaWxkZXNoZWltLCBIUkEgMjY4NiAgICAgICAgICAgfCBG YXg6ICAgKzQ5LTUxMjEtMjA2OTE3LTU1NTUgfAoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgt YXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3Jn L21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=