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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no 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 2331DC433DF for ; Tue, 16 Jun 2020 20:50:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 006112085B for ; Tue, 16 Jun 2020 20:50:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728772AbgFPUu3 (ORCPT ); Tue, 16 Jun 2020 16:50:29 -0400 Received: from mga12.intel.com ([192.55.52.136]:47230 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726464AbgFPUu2 (ORCPT ); Tue, 16 Jun 2020 16:50:28 -0400 IronPort-SDR: IH6Wvd7E4FYnpcYpGxbLXLRC8IKkP40KbDBgErfm8ABEy5+UaX6PSxum+JI+VkZNkdfgKfG8Tl iUJxCXiyNH1A== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jun 2020 13:50:27 -0700 IronPort-SDR: YXL74oi5sxm+GZRM+/OQ7AXfpbGqE7eizgU++fL1fgFr+ZmJQ4pVv+TFAUaIUi6bKz72VRNgfQ PpPnH414kAwA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,519,1583222400"; d="scan'208";a="277050009" Received: from gosinald-mobl2.ger.corp.intel.com (HELO localhost) ([10.249.36.106]) by orsmga006.jf.intel.com with ESMTP; 16 Jun 2020 13:50:19 -0700 Date: Tue, 16 Jun 2020 23:50:17 +0300 From: Jarkko Sakkinen To: Maxim Uvarov , sumit.garg@linaro.org Cc: linux-kernel@vger.kernel.org, tee-dev@lists.linaro.org, peterhuewe@gmx.de, jgg@ziepe.ca, gregkh@linuxfoundation.org, jens.wiklander@linaro.org, linux-integrity@vger.kernel.org, arnd@linaro.org, sumit.garg@linaro.org Subject: Re: [PATCHv8 1/3] optee: use uuid for sysfs driver entry Message-ID: <20200616205017.GC20943@linux.intel.com> References: <20200604175851.758-1-maxim.uvarov@linaro.org> <20200604175851.758-2-maxim.uvarov@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200604175851.758-2-maxim.uvarov@linaro.org> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 04, 2020 at 08:58:49PM +0300, Maxim Uvarov wrote: > With the evolving use-cases for TEE bus, now it's required to support > multi-stage enumeration process. But using a simple index doesn't > suffice this requirement and instead leads to duplicate sysfs entries. > So instead switch to use more informative device UUID for sysfs entry > like: > /sys/bus/tee/devices/optee-ta- > > Signed-off-by: Maxim Uvarov > Reviewed-by: Sumit Garg Reviewed-by: Jarkko Sakkinen Sumit, are you able to test these easily? /Jarkko