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 9EE6ACCD183 for ; Thu, 9 Oct 2025 18:56:58 +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=oNpfTKykmtQ7x/G8jL+5xxDS0zpUuNiY1jUn4dfP5mQ=; b=QOk+DUK9bQV85zrCM2OiBiStWX q039Cf7ykpYWftnlJe0UIDQvlnOsZyh2O2jgG0WNI6cmzpjBm9uH9uaE29am1Y3oclKRfIJvY3+vl /70ydvQOhm3QdoSDiKvBMsxkf5+9BaOdSsKfW73+k8L8+o7fEy2uxiuuhX5ZquH8tzngDWobHXmQn b/5ZSBa06DnGDh0gMqexquC1tKA/6asO5IYJ6u9/VB5+LUmUB6BJX+ZTsmZe0WW3gizhUX9tCHLDG MiagAOznMXVyQ2j80M/DsVe4nUAlj/keNDOQPeEMgVHplhMVQ6fuFfsKQqUZtJR/P9VidQMnyYItH s52OqS+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v6vos-00000006xMH-0BUC; Thu, 09 Oct 2025 18:56:54 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v6voq-00000006xLA-3GVl for linux-arm-kernel@lists.infradead.org; Thu, 09 Oct 2025 18:56:52 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 384DF603ED; Thu, 9 Oct 2025 18:56:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9122CC4CEE7; Thu, 9 Oct 2025 18:56:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760036211; bh=NoVJ0xm+H8Ix/8mfqh2bpoZItxqLG9X1U5XWBBIbBAo=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=gYs47bjttmDkjyEKLDlcGOj21k147J67LmwO7PX0bThIeoH7zs3jTCtdxwcY2Qosl p9G5tfwThRtRlvuo9bq32++UJx7KVCSgydLrQPAByIBgt1soYssMkBtZJxDco3hx85 C3xjTNuDVwV6M+G8FWHScfT5cOxbX9Q+KXdqBHYiego5EEHPnfeCeeLVP+ilyUlWDq 9ULvoCHaGf3Cr0djRsjt5WJ2YBsP4XQ5X8KUE03y5TsxT3i1oarW+eCsx7UE+hD65j wtFxXhhZaoDHNMThGBMuJciWlwgIgQ2fBYkp64yyUa04hhapEGgp8E9sjAbofKg9qe mDU0KLv1U5oOw== Message-ID: Date: Thu, 9 Oct 2025 20:56:47 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] macsmc: check for missing SMC to avoid crash To: Atharva Tiwari Cc: Janne Grunau , Neal Gompa , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org References: <20251009183735.1288-1-atharvatiwarilinuxdev@gmail.com> Content-Language: en-US From: Sven Peter In-Reply-To: <20251009183735.1288-1-atharvatiwarilinuxdev@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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 09.10.25 20:37, Atharva Tiwari wrote: > Users might manually install these drivers > without the core SMC device, causing Installing isn't enough; that's not gonna trigger probing any of these devices. Did you run into this issue? Hitting this should require deliberately creating a broken dts file and booting with that one. But if I'm creating a broken dts file I can easily crash the kernel in various other ways. Sven