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 A33EDC4332F for ; Fri, 21 Oct 2022 09:19:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229941AbiJUJTY (ORCPT ); Fri, 21 Oct 2022 05:19:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231197AbiJUJSy (ORCPT ); Fri, 21 Oct 2022 05:18:54 -0400 Received: from relay01.th.seeweb.it (relay01.th.seeweb.it [5.144.164.162]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81F4A1EA560; Fri, 21 Oct 2022 02:18:37 -0700 (PDT) Received: from [192.168.1.101] (95.49.29.134.neoplus.adsl.tpnet.pl [95.49.29.134]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by m-r1.th.seeweb.it (Postfix) with ESMTPSA id 07AA91F95C; Fri, 21 Oct 2022 11:18:29 +0200 (CEST) Message-ID: Date: Fri, 21 Oct 2022 11:18:29 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0 Subject: Re: [PATCH] arm64: defconfig: build-in Qualcomm SC7180 and SM8450 interconnects Content-Language: en-US To: Krzysztof Kozlowski , Andy Gross , Bjorn Andersson , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20221021032702.1340963-1-krzysztof.kozlowski@linaro.org> From: Konrad Dybcio In-Reply-To: <20221021032702.1340963-1-krzysztof.kozlowski@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 21.10.2022 05:27, Krzysztof Kozlowski wrote: > On Qualcomm SC7180 and SM8450 SocS, the typical debug console serial > port is part of GENI Serial Engine QUP Wrapper Controller which uses > interconnects. This means that without interconnect drivers, the serial > might not probe. Without serial console, the root might not be mounted > by initramfs: > > + REASON=No init found. Try passing init= bootarg. PS1=(initramfs > ... > (initramfs) run-init -c /dev/console -n /root /sbin/init > run-init: opening console: No such file or directory > > This means that interconnect drivers on these Qualcomm SoCs cannot be > modules and must be built-in to mount rootfs. > > Signed-off-by: Krzysztof Kozlowski > --- Reviewed-by: Konrad Dybcio Konrad > arch/arm64/configs/defconfig | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > index 2af94d3c1c11..c1b7fb44e381 100644 > --- a/arch/arm64/configs/defconfig > +++ b/arch/arm64/configs/defconfig > @@ -1301,7 +1301,7 @@ CONFIG_INTERCONNECT_QCOM_MSM8916=m > CONFIG_INTERCONNECT_QCOM_MSM8996=m > CONFIG_INTERCONNECT_QCOM_OSM_L3=m > CONFIG_INTERCONNECT_QCOM_QCS404=m > -CONFIG_INTERCONNECT_QCOM_SC7180=m > +CONFIG_INTERCONNECT_QCOM_SC7180=y > CONFIG_INTERCONNECT_QCOM_SC7280=y > CONFIG_INTERCONNECT_QCOM_SC8180X=y > CONFIG_INTERCONNECT_QCOM_SC8280XP=y > @@ -1309,7 +1309,7 @@ CONFIG_INTERCONNECT_QCOM_SDM845=y > CONFIG_INTERCONNECT_QCOM_SM8150=m > CONFIG_INTERCONNECT_QCOM_SM8250=m > CONFIG_INTERCONNECT_QCOM_SM8350=m > -CONFIG_INTERCONNECT_QCOM_SM8450=m > +CONFIG_INTERCONNECT_QCOM_SM8450=y > CONFIG_EXT2_FS=y > CONFIG_EXT3_FS=y > CONFIG_EXT4_FS_POSIX_ACL=y