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 6F989D39013 for ; Wed, 14 Jan 2026 21:07:24 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0WiElpcSF36dlxqZFgINycbBQTchor8BrznRcJ4NQy4=; b=XyvVSfRmR+lrz+MHEblhzjzXPr 5zMxzM2aeTY8UdXwzjs4g9+uoeb5OE1076AJdroGKq/Bc4xSdWsGuvOYtSnVj6UTOPZ/kWIx80cQQ /JPIYffwl7gTrTkuOqguA2pnkhvZJfMspEI759T0Oog0B+DQZRHgqj6hI9C5K3lwC29r/Vjt8M8ZT H3wMA90OAScASOJRWDQSjm2u8vBakPqhTQHSSmYSjSr3fdw82joW0FKBsDfFtpldxXEVlcS5muPzU v6MFbiWvsG5xOLqyKW3/U7pX2F3xOk/1SYKvZNijmkg9/J+LmvkwgTqxPKL9lTjatU1Yhna1TymZo tNaAYFOw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vg85F-0000000AjDw-43K7; Wed, 14 Jan 2026 21:07:17 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vg85D-0000000AjDG-2VYg for linux-arm-kernel@lists.infradead.org; Wed, 14 Jan 2026 21:07:16 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D51DB1515; Wed, 14 Jan 2026 13:07:07 -0800 (PST) Received: from bogus (unknown [10.57.49.158]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6E3B03F59E; Wed, 14 Jan 2026 13:07:12 -0800 (PST) Date: Wed, 14 Jan 2026 21:07:09 +0000 From: Sudeep Holla To: Mukesh Ojha Cc: Satya Durga Srinivasu Prabhala , Mark Rutland , Sudeep Holla , Lorenzo Pieralisi , linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, trilok.soni@oss.qualcomm.com Subject: Re: [PATCH] firmware: smccc: default ARM_SMCCC_SOC_ID to disabled Message-ID: References: <20260112-disable_smccc_soc_id-v1-1-a5bee24befb4@oss.qualcomm.com> <20260113080405.jr7ky4ypnewojiij@hu-mojha-hyd.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260113080405.jr7ky4ypnewojiij@hu-mojha-hyd.qualcomm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260114_130715_676167_5860AF3E X-CRM114-Status: GOOD ( 13.14 ) 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 Tue, Jan 13, 2026 at 01:34:05PM +0530, Mukesh Ojha wrote: > On Mon, Jan 12, 2026 at 10:24:06PM -0800, Satya Durga Srinivasu Prabhala wrote: > > The ARM SMCCC SoC ID driver is currently enabled by default and publishes > > SMCCC-provided SoC identification into /sys/bus/soc/devices/socX/*. > > > > On platforms where a vendor SoC driver already exposes widely-consumed > > attributes (e.g. Qualcomm socinfo [1]), enabling the SMCCC driver changes > > the format of /sys/devices/soc0/soc_id (e.g. "jep106:XXYY:ZZZZ" instead > > of a vendor logical ID like "519") and breaks existing userspace consumers. > > > > Flip the default of CONFIG_ARM_SMCCC_SOC_ID from y to n. Platforms that > > prefer SMCCC over a vendor driver can explicitly enable it. > > > > This avoids unexpected format changes and keeps the generic SoC sysfs > > stable on systems that rely on vendor-specific identification. > > > > [1] > > Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/soc/qcom/socinfo.c > > > > Signed-off-by: Satya Durga Srinivasu Prabhala > > Fixes tag ?? > Sorry which commit is broken ? -- Regards, Sudeep