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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 1605BC43603 for ; Fri, 13 Dec 2019 22:16:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E3D762073D for ; Fri, 13 Dec 2019 22:16:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726744AbfLMWQT (ORCPT ); Fri, 13 Dec 2019 17:16:19 -0500 Received: from mga11.intel.com ([192.55.52.93]:47588 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726623AbfLMWQR (ORCPT ); Fri, 13 Dec 2019 17:16:17 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Dec 2019 14:16:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,311,1571727600"; d="scan'208";a="239424482" Received: from dmjacob-mobl2.amr.corp.intel.com (HELO [10.252.129.36]) ([10.252.129.36]) by fmsmga004.fm.intel.com with ESMTP; 13 Dec 2019 14:16:15 -0800 Subject: Re: [alsa-devel] [PATCH v4 07/15] soundwire: slave: move uevent handling to slave To: Greg KH Cc: alsa-devel@alsa-project.org, tiwai@suse.de, linux-kernel@vger.kernel.org, Ranjani Sridharan , vkoul@kernel.org, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, slawomir.blauciak@intel.com, Sanyog Kale , Bard liao , Rander Wang References: <20191213050409.12776-1-pierre-louis.bossart@linux.intel.com> <20191213050409.12776-8-pierre-louis.bossart@linux.intel.com> <20191213072231.GE1750354@kroah.com> <032e6505-22b6-45bb-ff04-87db1f8d8be9@linux.intel.com> <20191213161122.GB2653074@kroah.com> From: Pierre-Louis Bossart Message-ID: Date: Fri, 13 Dec 2019 16:15:56 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <20191213161122.GB2653074@kroah.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/13/19 10:11 AM, Greg KH wrote: > On Fri, Dec 13, 2019 at 09:11:27AM -0600, Pierre-Louis Bossart wrote: >> On 12/13/19 1:22 AM, Greg KH wrote: >>> On Thu, Dec 12, 2019 at 11:04:01PM -0600, Pierre-Louis Bossart wrote: >>>> Currently the code deals with uevents at the bus level, but we only care >>>> for Slave events >>> >>> What does this mean? I can't understand it, can you please provide more >>> information on what you are doing here? >> >> In the earlier versions of the patch, the code looks like this and there was >> an open on what to do with a master-specific event. >> >> static int sdw_uevent(struct device *dev, struct kobj_uevent_env *env) >> { >> + struct sdw_master_device *md; >> struct sdw_slave *slave; >> char modalias[32]; >> >> - if (is_sdw_slave(dev)) { >> + if (is_sdw_md(dev)) { >> + md = to_sdw_master_device(dev); >> + /* TODO: do we need to call add_uevent_var() ? */ >> + } else if (is_sdw_slave(dev)) { >> slave = to_sdw_slave_device(dev); >> + >> + sdw_slave_modalias(slave, modalias, sizeof(modalias)); >> + >> + if (add_uevent_var(env, "MODALIAS=%s", modalias)) >> + return -ENOMEM; >> } else { >> dev_warn(dev, "uevent for unknown Soundwire type\n"); >> return -EINVAL; >> } >> >> Vinod suggested this was not needed and suggested the code for uevents be >> moved to be slave-specific, which is what this patch does. > > Then describe it really really well in the changelog text. We have no > rememberance of prior conversations when looking at commits in the tree > in the future. ok, will do. 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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 475ABC43603 for ; Fri, 13 Dec 2019 22:18:07 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C6D0E2073D for ; Fri, 13 Dec 2019 22:18:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="HBySPYTo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C6D0E2073D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 0025B1616; Fri, 13 Dec 2019 23:17:14 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 0025B1616 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1576275485; bh=lZi2HGx/qizj8ceeqmSNlTlX8ZAQLyoE7hixVFI9Omg=; h=To:References:From:Date:In-Reply-To:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=HBySPYToFu41Y9Hbd4EhDXjqsvTA3uNSiJSoyaAVEIt3c542Yk6LlG61KUzuExTPc 7AuDvw2Sdl6XeS/uJ8mA3X8RTBt0WG6wzlsPK1DFmO+2ltAVF19ZE+WVfPTGOKN+us jmv6CHDczrUommgbYZ5dO1uTyjm6n5gBtHRwdo24= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id A31ABF8019B; Fri, 13 Dec 2019 23:16:24 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 4584CF80252; Fri, 13 Dec 2019 23:16:23 +0100 (CET) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id AF928F800AB for ; Fri, 13 Dec 2019 23:16:18 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz AF928F800AB X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Dec 2019 14:16:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,311,1571727600"; d="scan'208";a="239424482" Received: from dmjacob-mobl2.amr.corp.intel.com (HELO [10.252.129.36]) ([10.252.129.36]) by fmsmga004.fm.intel.com with ESMTP; 13 Dec 2019 14:16:15 -0800 To: Greg KH References: <20191213050409.12776-1-pierre-louis.bossart@linux.intel.com> <20191213050409.12776-8-pierre-louis.bossart@linux.intel.com> <20191213072231.GE1750354@kroah.com> <032e6505-22b6-45bb-ff04-87db1f8d8be9@linux.intel.com> <20191213161122.GB2653074@kroah.com> From: Pierre-Louis Bossart Message-ID: Date: Fri, 13 Dec 2019 16:15:56 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <20191213161122.GB2653074@kroah.com> Content-Language: en-US Cc: alsa-devel@alsa-project.org, tiwai@suse.de, linux-kernel@vger.kernel.org, Ranjani Sridharan , vkoul@kernel.org, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, slawomir.blauciak@intel.com, Sanyog Kale , Bard liao , Rander Wang Subject: Re: [alsa-devel] [PATCH v4 07/15] soundwire: slave: move uevent handling to slave X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On 12/13/19 10:11 AM, Greg KH wrote: > On Fri, Dec 13, 2019 at 09:11:27AM -0600, Pierre-Louis Bossart wrote: >> On 12/13/19 1:22 AM, Greg KH wrote: >>> On Thu, Dec 12, 2019 at 11:04:01PM -0600, Pierre-Louis Bossart wrote: >>>> Currently the code deals with uevents at the bus level, but we only care >>>> for Slave events >>> >>> What does this mean? I can't understand it, can you please provide more >>> information on what you are doing here? >> >> In the earlier versions of the patch, the code looks like this and there was >> an open on what to do with a master-specific event. >> >> static int sdw_uevent(struct device *dev, struct kobj_uevent_env *env) >> { >> + struct sdw_master_device *md; >> struct sdw_slave *slave; >> char modalias[32]; >> >> - if (is_sdw_slave(dev)) { >> + if (is_sdw_md(dev)) { >> + md = to_sdw_master_device(dev); >> + /* TODO: do we need to call add_uevent_var() ? */ >> + } else if (is_sdw_slave(dev)) { >> slave = to_sdw_slave_device(dev); >> + >> + sdw_slave_modalias(slave, modalias, sizeof(modalias)); >> + >> + if (add_uevent_var(env, "MODALIAS=%s", modalias)) >> + return -ENOMEM; >> } else { >> dev_warn(dev, "uevent for unknown Soundwire type\n"); >> return -EINVAL; >> } >> >> Vinod suggested this was not needed and suggested the code for uevents be >> moved to be slave-specific, which is what this patch does. > > Then describe it really really well in the changelog text. We have no > rememberance of prior conversations when looking at commits in the tree > in the future. ok, will do. _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel