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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 0513CC28B28 for ; Wed, 12 Mar 2025 08:58:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=iuX/gPtucnf0PtKH7uGNw21tQvDEwOyEfBa2ipngdwI=; b=W26S1u5hZOTQcPRxO3yIWZ69GD p3dswiqkknMKIJj8JLrtMcQiQy09Yta2sXv+b9xssUW7ostUahuQo3+TLAcCEhkQo+SYHN+/SiGwO CD9Yg98YDRNaL+giRuo1Sox4nOAB0p6WNbckJ1io5P1qE5FY9cBNejDr0EKIZHerwXr04d2SDXfCh 7wox86HHdNvY92OVfU5w8EV0ecVPddttQS7+EvIhaedelXIkmsrq9nm5yJ7hBbsMuxYy+ec4vOmgP IJUuZeZfschbToU5qwgeF8kWTvphdGKNvWQqQKNmon/7oHrJbCPJN86rAoxVi3ENJEaSPmmkh4JFx Qc2eBxuA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tsHuo-00000007sv6-0JL8; Wed, 12 Mar 2025 08:58:14 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tsHsr-00000007se0-3Zrm for linux-arm-kernel@lists.infradead.org; Wed, 12 Mar 2025 08:56:15 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id DE0DFA46E0A; Wed, 12 Mar 2025 08:50:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 34E4DC4CEE3; Wed, 12 Mar 2025 08:56:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741769772; bh=LmnGfr4A2yhKeP7d08aiWdsxGlR86C/jlD7yONGw+/s=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=KZUEleAx3GHAMj556oApgRX37fm9ieIA+qDVJ93dsxeNjECX7OmebjTAluc5ETyMr f362X7sJavRszttPkV2G5njt27OmpTejka77Dhc0OvA51bDZ05MuCAJIgRvBH/Zgsw AcCzsyIblG3BpqR/J3kfw0XE9W1U8nCSJbNF8iQMw8kmCCL+o5ZuZ6k87T9e1cz1hD L7Lo/OcLHnUNDsuOdCDPP5n3CaDVly27D1DfJyJ54+eiKrz+2ofFGSvHJXWrLua67K kf6IVN+6QeymJhaXqiU63fq/fqpGJOztj/J+Y9W80UoE6E95Q8mVp60CBDEDdWj2+S meZJ6dbnpfXXA== Message-ID: <92dd35a2-d1cc-4f2b-b3a8-5752ec33b0d3@kernel.org> Date: Wed, 12 Mar 2025 09:56:05 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: defconfig: Enable Qualcomm interconnects as built-in To: Christopher Obbard , Dmitry Baryshkov Cc: Catalin Marinas , Will Deacon , Bjorn Andersson , Konrad Dybcio , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20250311-wip-obbardc-qcom-defconfig-interconnects-builtin-v1-1-675b6bc57176@linaro.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250312_015614_034648_061E0272 X-CRM114-Status: GOOD ( 16.65 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 11/03/2025 20:15, Christopher Obbard wrote: > Hi Dmitry, > > On Tue, 11 Mar 2025 at 19:58, Dmitry Baryshkov wrote: >> >> On Tue, Mar 11, 2025 at 07:10:06PM +0100, Christopher Obbard wrote: >>> I sent this patch to start the discussion, some things I found: >>> >>> 1) Some interconnects are missing from arm defconfig. Should they be =y too ? >> >> No, unless those are required for the UART console. > > OK, that makes sense. FWIW the cryptic (to me, at least) commit log on > https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6eee808134ecf1c1093ff1ddfc056dc5e469d0c3 > made me think that the interconnects should be built-in on all devices. > > Of course, the real problem here is RB3gen2 not actually finding the > UFS/eMMC device due to no interconnect driver. > Until now, I have been building that into the kernel. I will > investigate instead shoving into the initrd (in both debian and > fedora) which should solve my issue and render this patchset useless. For Qualcomm platforms you are expected to always have initramfs, thus you will have the modules for UFS/eMMC mounts. I don't understand the problem which you were trying to solve. The interconnects were built in *only* because of need for serial console. Only. Best regards, Krzysztof