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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DCFAC43334 for ; Mon, 18 Jul 2022 21:04:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236233AbiGRVEs (ORCPT ); Mon, 18 Jul 2022 17:04:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230263AbiGRVEr (ORCPT ); Mon, 18 Jul 2022 17:04:47 -0400 Received: from mail-ed1-x532.google.com (mail-ed1-x532.google.com [IPv6:2a00:1450:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38C826597 for ; Mon, 18 Jul 2022 14:04:46 -0700 (PDT) Received: by mail-ed1-x532.google.com with SMTP id e15so17036550edj.2 for ; Mon, 18 Jul 2022 14:04:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kohlschutter-com.20210112.gappssmtp.com; s=20210112; h=from:content-transfer-encoding:mime-version:subject:date:references :to:in-reply-to:message-id; bh=lgYxQ6VDW00cU97BocyveA5Xw2LA05J8ZBbZjuEjBbs=; b=ysRZ20nSv1AY8vsUIYaB1KCb7Q30mE3E6K7n7d95wId/RdkNd+qdCO7zLW56+1lhQx FMAM3HJmvHH/obQ6GgmbKtJC5GXi2HgDaNV6K344sLUkdnRiGUnYNHG8msV+0ACStmvf p8Il0CHFw8LAeE8GpBIH6v9wj8AdFvCoamt3z45quczVKBP0WAzHocSWT5duzbo33hoP Xj+nasYNkfyWb2VkRfgNNq5R0v9Y4cUzdKTVhK4HCIhxA1y0eNXu6RRzhwNHhzbEpsVB +QevqZ4FAxbXohECqUjQJWRr/f+73oGlYrgrVKbUFRRNGFl6aBOzivd7IZmAufOh1GMx o6fQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:content-transfer-encoding:mime-version :subject:date:references:to:in-reply-to:message-id; bh=lgYxQ6VDW00cU97BocyveA5Xw2LA05J8ZBbZjuEjBbs=; b=Uqnmcey9vTrQQ0kZHdnHtcgX7uMlmyfS/d5yVH3rEsscAWk4jOrQsbYmxwQMDDpzkl EQAIEsz1dvOaO+G2wLzjDfxSqOeUzyXv71bAjbwsMW0CXEICiomkRggMgCMRtFj9fAZ4 OuNquSMZ3hZsMzijF5s0jhVqu32NdqwhUSSVkz7h+JE8s7Y5GibAEem3vtC5I/uEFAp7 lcKI369RYqNprw9y8nAbuzHrlZU6Pg2KArdKPfncvGevXU0D8m9DMKKmo9CQbJhkQXv8 UsKTnxKkQHPtjp0dNayePyQZyEe+LvEzPSe9KRlXbOz9vObvImxizUj/UyeszZbTRSHd iaqw== X-Gm-Message-State: AJIora/SZjpfVnNU6QJhygSzitP+KcQT4nhvoiC+NmPRD7jDVit+UvD3 bTeguo1KwCcq0ABLo9iqHAIldQ== X-Google-Smtp-Source: AGRyM1uMAGPcbJs10DHZgwCacO7JwWJg0/uGhTxHr3qyP+y4XQdgLemNimWtsQu4TGNXOnTXmYe6Bg== X-Received: by 2002:a05:6402:440c:b0:43a:1124:e56a with SMTP id y12-20020a056402440c00b0043a1124e56amr40569237eda.134.1658178284768; Mon, 18 Jul 2022 14:04:44 -0700 (PDT) Received: from smtpclient.apple (ip5b434222.dynamic.kabel-deutschland.de. [91.67.66.34]) by smtp.gmail.com with ESMTPSA id sa42-20020a1709076d2a00b007081282cbd8sm5885440ejc.76.2022.07.18.14.04.43 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 18 Jul 2022 14:04:44 -0700 (PDT) From: =?utf-8?Q?Christian_Kohlsch=C3=BCtter?= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.100.31\)) Subject: Re: [PATCH v6] arm64: dts: rockchip: Fix SD card init on rk3399-nanopi4 Date: Mon, 18 Jul 2022 23:04:43 +0200 References: <12878108.O9o76ZdvQC@diego> <103b714c-b07c-f016-1062-84bd94786b22@arm.com> <9AF1E75F-5947-49B0-887D-82C426527B99@kohlschutter.com> <590f7a08-a6ca-be54-4254-363343642a52@arm.com> <5ca9bd94-54d9-04f8-0098-a56ffb6f5fe1@arm.com> <502b3fbe-3077-407e-6010-a8cb3ffce7d6@arm.com> <449292CA-CE60-4B90-90F7-295FBFEAB3F8@kohlschutter.com> <73F9AED0-D2A8-4294-B6E1-1B92D2A36529@kohlschutter.com> <115AD6A4-021B-4879-BFB5-BC7689A0203E@kohlschutter.com> <17a4c6f6-d79c-a7b2-860f-e5944b778f9f@arm.com> <9405b97a-6758-ad4e-ccff-eed072096539@arm.com> <3912A668-9F73-40FD-8993-5060F632238A@kohlschutter.com> <7E830C9F-BB5D-4EFC-B3F4-1C580E9326A3@kohlschutter.com> To: Robin Murphy , wens@kernel.org, =?utf-8?Q?Heiko_St=C3=BCbner?= , Markus Reichl , linux-arm-kernel , "open list:ARM/Rockchip SoC..." , linux-kernel , Linux MMC List In-Reply-To: Message-Id: <38DFE34C-E4A5-4DBB-AC57-5D92D703B877@kohlschutter.com> X-Mailer: Apple Mail (2.3696.100.31) Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Am 18.07.2022 um 14:05 schrieb Christian Kohlsch=C3=BCtter = : >=20 >> Am 18.07.2022 um 14:04 schrieb Christian Kohlsch=C3=BCtter = : >>=20 >> mmc/SD-card initialization may fail on NanoPi R4S with >> "mmc1: problem reading SD Status register" / >> "mmc1: error -110 whilst initialising SD card" >> either on cold boot or after a reboot. > ... > Walking back on my claim in the commit message that no further patches = are needed for the u-boot integration to work. > Other than that, the actual patch is unchanged. I can no longer verify that the v6 patch actually increases use_count to = 2. At this point, I don't have a purely device tree-based fix that works = reliably, therefore necessitating the code changes in regulator/core.c. If anyone of you knows a way to reliably increase vcc3v0_sd's use_count = ("cat /sys/kernel/debug/regulator/vcc3v0_sd/use_count") to at least 2, = then we can remove the regulator-always-on statement.