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 X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4FEB1C433E1 for ; Tue, 18 Aug 2020 12:10:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2DA6720706 for ; Tue, 18 Aug 2020 12:10:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726870AbgHRMKg (ORCPT ); Tue, 18 Aug 2020 08:10:36 -0400 Received: from mga07.intel.com ([134.134.136.100]:58739 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726792AbgHRMKX (ORCPT ); Tue, 18 Aug 2020 08:10:23 -0400 IronPort-SDR: mss5JKyw5bR37BTig66GpIaVZ7J11/Xx/yxgLG9Syh8ia8Hjnx6nqYIn+dmrNOcdWoiMj8DHHc p5wZ/x6+mArA== X-IronPort-AV: E=McAfee;i="6000,8403,9716"; a="219200404" X-IronPort-AV: E=Sophos;i="5.76,327,1592895600"; d="scan'208";a="219200404" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2020 05:10:22 -0700 IronPort-SDR: zSuB06hyksvsmMMuIP6as8mjjlqkZ3hBWy5xVqaEyU84k1/Xie1+GafoiiGPM0liAP9IPuA/K9 +4nwSTWMkFeg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,327,1592895600"; d="scan'208";a="326713055" Received: from twinkler-lnx.jer.intel.com ([10.12.91.138]) by orsmga008.jf.intel.com with ESMTP; 18 Aug 2020 05:10:20 -0700 From: Tomas Winkler To: Greg Kroah-Hartman Cc: Alexander Usyskin , linux-kernel@vger.kernel.org, Tomas Winkler Subject: [char-misc-next 10/13] mei: bus: unconditionally enable clients with vtag support Date: Tue, 18 Aug 2020 14:51:44 +0300 Message-Id: <20200818115147.2567012-11-tomas.winkler@intel.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20200818115147.2567012-1-tomas.winkler@intel.com> References: <20200818115147.2567012-1-tomas.winkler@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexander Usyskin The list of clients is only visible via mei client bus. Enabling vtag clients on the mei client bus allows user-space to enumerate clients with vtag support by traversing the mei bus on sysfs. This feature is required for ACRN device model service. Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler --- drivers/misc/mei/bus-fixup.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index 07ba16d46690..4e30fa98fe7d 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -463,6 +463,17 @@ static void mei_nfc(struct mei_cl_device *cldev) dev_dbg(bus->dev, "end of fixup match = %d\n", cldev->do_match); } +/** + * vt_support - enable on bus clients with vtag support + * + * @cldev: me clients device + */ +static void vt_support(struct mei_cl_device *cldev) +{ + if (cldev->me_cl->props.vt_supported == 1) + cldev->do_match = 1; +} + #define MEI_FIXUP(_uuid, _hook) { _uuid, _hook } static struct mei_fixup { @@ -476,6 +487,7 @@ static struct mei_fixup { MEI_FIXUP(MEI_UUID_WD, mei_wd), MEI_FIXUP(MEI_UUID_MKHIF_FIX, mei_mkhi_fix), MEI_FIXUP(MEI_UUID_HDCP, whitelist), + MEI_FIXUP(MEI_UUID_ANY, vt_support), }; /** -- 2.25.4