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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 C527AC31E40 for ; Wed, 7 Aug 2019 02:26:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8FBAF208C3 for ; Wed, 7 Aug 2019 02:26:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565144798; bh=CBH+xUzbXogYkiFsg46LTMoraNeKA9rUJywxKWIdaUQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=jTOzaEnZhFTNYasSxaqdgGsdGI9yZDNkwzeGpgPtD+pWrKdK2hEbQQG69KRC1cjWr lVkoggMrOwi/DOocbD9Rlu82t6nB8vG3wtg2P5BPGYFbBAH6qQn+MVRL4hukNL1AKL R1OT97PXQ4M+O6vExx7ju3XcISAf4pR0enUMwrgs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728927AbfHGC0i (ORCPT ); Tue, 6 Aug 2019 22:26:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:35824 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728906AbfHGC0i (ORCPT ); Tue, 6 Aug 2019 22:26:38 -0400 Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A3D5E20684; Wed, 7 Aug 2019 02:26:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565144796; bh=CBH+xUzbXogYkiFsg46LTMoraNeKA9rUJywxKWIdaUQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=17smmYDTo3extC/QXcN5m4jCjcbDxdQyRPQ0rnCLgizvOBkZol7/15EEk3BfiRE0F gelMoEG698uc3qhabc3bxePl5oLYCd8shf47Pt21eaZyLM2lmAakogGU+rZ+YAOxgn mrb0A9V/yyEL76VMZG6CHqFHk/jw7a64RaQ8u46Q= Date: Tue, 6 Aug 2019 22:26:35 -0400 From: Sasha Levin To: Pavel Machek Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Douglas Anderson , Heiko Stuebner Subject: Re: [PATCH 4.19 02/74] ARM: dts: rockchip: Make rk3288-veyron-minnie run at hs200 Message-ID: <20190807022635.GR17747@sasha-vm> References: <20190805124935.819068648@linuxfoundation.org> <20190805124936.029458352@linuxfoundation.org> <20190805144112.GA24265@amd> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20190805144112.GA24265@amd> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Aug 05, 2019 at 04:41:12PM +0200, Pavel Machek wrote: >Hi! > >> [ Upstream commit 1c0479023412ab7834f2e98b796eb0d8c627cd62 ] >> >> As some point hs200 was failing on rk3288-veyron-minnie. See commit >> 984926781122 ("ARM: dts: rockchip: temporarily remove emmc hs200 speed >> from rk3288 minnie"). Although I didn't track down exactly when it >> started working, it seems to work OK now, so let's turn it back on. >> >> To test this, I booted from SD card and then used this script to >> stress the enumeration process after fixing a memory leak [1]: >> cd /sys/bus/platform/drivers/dwmmc_rockchip >> for i in $(seq 1 3000); do >> echo "========================" $i >> echo ff0f0000.dwmmc > unbind >> sleep .5 >> echo ff0f0000.dwmmc > bind >> while true; do >> if [ -e /dev/mmcblk2 ]; then >> break; >> fi >> sleep .1 >> done >> done >> >> It worked fine. > >This may not be suitable for stable. So... hs200 started working in >mainline sometime. That does not mean it was fixed in all the various >stable trees, too. > >How was this tested in respective -stable releases? If you know of any other patches required on older stable kernels to make this work I'll be more than happy to take them... -- Thanks, Sasha