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=-10.2 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 F241BC433DB for ; Mon, 18 Jan 2021 11:25:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C15AA223E4 for ; Mon, 18 Jan 2021 11:25:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390165AbhARLYu (ORCPT ); Mon, 18 Jan 2021 06:24:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390146AbhARLXL (ORCPT ); Mon, 18 Jan 2021 06:23:11 -0500 Received: from mail.kapsi.fi (mail.kapsi.fi [IPv6:2001:67c:1be8::25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB928C061573; Mon, 18 Jan 2021 03:22:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kapsi.fi; s=20161220; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=aUlcPf/jHMTuCu5fOX4kjclkFtZwtbh8tbGRwleHuOI=; b=iRHygFCUFFEBW4fRU5BK5d9p5+ KALLc1HznvK1PuBZk8EEN8GSm7+2PoKxy0Zr8i/7LT3kPL28KkT4qdpywH1/puJnnv0g/20B/M3rj zWgmiWc+PPxmAxVxABpdMhfqQlYJEI7AQqxd01mQvNGgFk7hJlHO7efIzdMJYCWv9BMdgcSpb89OY AE3sz+eoROQuOt48zeDgTWVsgDJXYbwSWSrjYnTownPdt5E+UQWzZSX4nus8W3RXjQQnWZSRDpfl6 llzE3QfPbup2Hc4MIAkOcH+0SEt2g0IoJS9IQFysDkh7AWyaXv3txbauHYnXx/dFQSBDWvMvnzpQc iYTnSOBw==; Received: from dsl-hkibng22-54f986-236.dhcp.inet.fi ([84.249.134.236] helo=[192.168.1.10]) by mail.kapsi.fi with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1l1Sc7-0002u2-0x; Mon, 18 Jan 2021 13:22:27 +0200 Subject: Re: [PATCH v3] i2c: bpmp-tegra: Ignore unknown I2C_M flags To: Wolfram Sang , Mikko Perttunen Cc: thierry.reding@gmail.com, jonathanh@nvidia.com, talho@nvidia.com, linux-i2c@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20210112102225.3737326-1-mperttunen@nvidia.com> <20210117112003.GB1983@ninjato> From: Mikko Perttunen Message-ID: <99326ffc-7590-84ce-dfa7-7c09bc17ca31@kapsi.fi> Date: Mon, 18 Jan 2021 13:22:16 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.1 MIME-Version: 1.0 In-Reply-To: <20210117112003.GB1983@ninjato> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 84.249.134.236 X-SA-Exim-Mail-From: cyndis@kapsi.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org On 1/17/21 1:20 PM, Wolfram Sang wrote: > On Tue, Jan 12, 2021 at 12:22:25PM +0200, Mikko Perttunen wrote: >> In order to not to start returning errors when new I2C_M flags are >> added, change behavior to just ignore all flags that we don't know >> about. This includes the I2C_M_DMA_SAFE flag that already exists. >> >> Cc: stable@vger.kernel.org # v4.19+ >> Signed-off-by: Mikko Perttunen > > Applied to for-current, thanks! I added also this sentence from v2 to > the description to justify stable: "but causes -EINVAL to be returned > for valid transactions." Thanks! > > Also, this driver has no dedicated maintainer. Is there someone up for > this task? There is probably little to do and it will speed up patch > acceptance because I pick patches once the driver maintainer is happy. > I think it falls under the 'TEGRA ARCHITECTURE SUPPORT' wildcard (Thierry and Jon). Do we need a more specific maintainer entry? If it's helpful to Thierry and Jon, I guess I could pick it up. Mikko