From nobody Mon Sep 15 19:22:46 2025 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 949D1C54EBE for ; Wed, 11 Jan 2023 04:38:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231318AbjAKEiu (ORCPT ); Tue, 10 Jan 2023 23:38:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231465AbjAKEi3 (ORCPT ); Tue, 10 Jan 2023 23:38:29 -0500 Received: from mail.marcansoft.com (marcansoft.com [212.63.210.85]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 83F78643B for ; Tue, 10 Jan 2023 20:38:28 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sendonly@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id A9EC6422CC; Wed, 11 Jan 2023 04:38:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=marcan.st; s=default; t=1673411907; bh=Q3CUKLEywf+vR4+nGROpaJQqVS2PQmhEl5Il4+LejRo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=QY5tqf60SZHxFaNdFYSzNvp4IdFLjD4OU8BawnpwU74nj7igN5fSFDF1+fcojF39A sOVlpJT9RhW6yM4BHm02nodGm1dFnVtmoqCnFikp1F9d/8cT3SuUqKczh83l09wMoo Zz+ydkC/lTC43zhbi3SjksPhqde146WnH3Ge1L59zI7Cg8TeHT4GQTiqLfm70xYxh7 LVdvZPRhSF4FctliGqXRgKXSjYPgtSRKMkB+ouZ2NiQ/4azKsNZx88fxEu31eKkYae js5/uMv+MwTL1AyrKdtdx76z3wHbPDiWP65rW7ZcORH+fhFmpmvHqNkiBHju5CgmAS FS6P8dLLiUcuA== From: Hector Martin To: Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg Cc: Eric Curtin , Janne Grunau , Sven Peter , Alyssa Rosenzweig , asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Hector Martin Subject: [PATCH 1/2] nvme-apple: Do not try to shut down the controller twice Date: Wed, 11 Jan 2023 13:36:13 +0900 Message-Id: <20230111043614.27087-2-marcan@marcan.st> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20230111043614.27087-1-marcan@marcan.st> References: <20230111043614.27087-1-marcan@marcan.st> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The blamed commit stopped explicitly disabling the controller when we do a controlled shutdown, but apple_nvme_reset_work was only checking for the disable bit before deciding to issue another disable. Check for the shutdown state too, to avoid breakage. This issue does not affect nvme-pci, since it only issues controller shutdowns when the system is actually shutting down anyway. Fixes: c76b8308e4c9 ("nvme-apple: fix controller shutdown in apple_nvme_dis= able") Signed-off-by: Hector Martin --- drivers/nvme/host/apple.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/apple.c b/drivers/nvme/host/apple.c index e13a992b6096..1961376447dc 100644 --- a/drivers/nvme/host/apple.c +++ b/drivers/nvme/host/apple.c @@ -1023,7 +1023,8 @@ static void apple_nvme_reset_work(struct work_struct = *work) goto out; } =20 - if (anv->ctrl.ctrl_config & NVME_CC_ENABLE) + if (anv->ctrl.ctrl_config & NVME_CC_ENABLE && + !(anv->ctrl.ctrl_config & NVME_CC_SHN_MASK)) apple_nvme_disable(anv, false); =20 /* RTKit must be shut down cleanly for the (soft)-reset to work */ --=20 2.35.1