From nobody Wed Apr 8 14:46:29 2026 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 2112BC54EE9 for ; Wed, 7 Sep 2022 21:52:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230478AbiIGVwl (ORCPT ); Wed, 7 Sep 2022 17:52:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230370AbiIGVw1 (ORCPT ); Wed, 7 Sep 2022 17:52:27 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A53DC1679 for ; Wed, 7 Sep 2022 14:52:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662587542; x=1694123542; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0Oosr1efZEAk/bzGsBCuZvDxX6WE7t3HGnW7Kpt3NhY=; b=nq03Gq3rIC7xLm/iQUgcvt6sUHq444sA6Kr+qRAE/t715MfQBMoyMgio 4ExntogdfjkH7x53rqr+OYnliDbexap6BqsTEsY5cWT2gfxCrZ1ah7+WY npjWgbo1LHA4wcp/Ww+BHX0fj8ISnfmvrcS+LHbaD5cW0PhvPraemgiSh Agm3l5fF0yXBSKL98KGmJAhWDcDBelRBeF5IExh1qnzCX9AuZp5xnLZLC z9tJLBND65tB68aF3TLxJMi1+0dmu1XIlpnp4VRqYYnd5fta9v2OxaYBt 5mpEEMbxXhZTidIJwoDhJKap/Uv1c8qBuzoWVhpklfCkBlDKR8mRAAJ42 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10463"; a="295740375" X-IronPort-AV: E=Sophos;i="5.93,298,1654585200"; d="scan'208";a="295740375" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Sep 2022 14:52:21 -0700 X-IronPort-AV: E=Sophos;i="5.93,298,1654585200"; d="scan'208";a="790208060" Received: from twinkler-lnx.jer.intel.com ([10.12.87.143]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Sep 2022 14:52:18 -0700 From: Tomas Winkler To: Greg Kroah-Hartman , David Airlie , Daniel Vetter Cc: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Tomas Winkler , Alexander Usyskin , Vitaly Lubart , Daniele Ceraolo Spurio Subject: [PATCH v9 13/16] mei: drop ready bits check after start Date: Thu, 8 Sep 2022 00:51:10 +0300 Message-Id: <20220907215113.1596567-14-tomas.winkler@intel.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220907215113.1596567-1-tomas.winkler@intel.com> References: <20220907215113.1596567-1-tomas.winkler@intel.com> 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" From: Alexander Usyskin The check that hardware and host ready bits are set after start is redundant and may fail and disable driver if there is back-to-back link reset issued right after start. This happens during pxp mode transitions when firmware undergo reset. Remove these checks to eliminate such failures. Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler Reviewed-by: Daniele Ceraolo Spurio --- V8: New in the series V9: Rebase drivers/misc/mei/init.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index 1b4d5d7870b9..bac8852aad51 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -218,16 +218,6 @@ int mei_start(struct mei_device *dev) goto err; } =20 - if (!mei_host_is_ready(dev)) { - dev_err(dev->dev, "host is not ready.\n"); - goto err; - } - - if (!mei_hw_is_ready(dev)) { - dev_err(dev->dev, "ME is not ready.\n"); - goto err; - } - if (!mei_hbm_version_is_supported(dev)) { dev_dbg(dev->dev, "MEI start failed.\n"); goto err; --=20 2.37.2