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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 AA518C433DF for ; Fri, 29 May 2020 12:19:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 843552074D for ; Fri, 29 May 2020 12:19:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726282AbgE2MT0 (ORCPT ); Fri, 29 May 2020 08:19:26 -0400 Received: from mga18.intel.com ([134.134.136.126]:38922 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725865AbgE2MTZ (ORCPT ); Fri, 29 May 2020 08:19:25 -0400 IronPort-SDR: zqooVUshT+kHYcSRjr6zrXmS3THhX/QAv7x7RXVK2kjn1r4HsyPAduJUo9Gm/p2MGx3H6drU6M XPB6EooK+h+w== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 May 2020 05:19:25 -0700 IronPort-SDR: UwnEsUdti8QDgr6qW+aMhCIiL6RniPh+0VYq6dTYmGAwe0sUOd22BrKmCFK9qLG4dkZ5NXD7KD MHKD4ZzhLjmQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,448,1583222400"; d="scan'208";a="302825850" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by fmsmga002.fm.intel.com with ESMTP; 29 May 2020 05:19:22 -0700 Received: from andy by smile with local (Exim 4.93) (envelope-from ) id 1jedyv-009c1y-3m; Fri, 29 May 2020 15:19:25 +0300 Date: Fri, 29 May 2020 15:19:25 +0300 From: Andy Shevchenko To: Serge Semin Cc: Vinod Koul , Viresh Kumar , Dan Williams , Serge Semin , Alexey Malahov , Thomas Bogendoerfer , Arnd Bergmann , Rob Herring , linux-mips@vger.kernel.org, devicetree@vger.kernel.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 08/11] dmaengine: dw: Add dummy device_caps callback Message-ID: <20200529121925.GM1634618@smile.fi.intel.com> References: <20200528222401.26941-1-Sergey.Semin@baikalelectronics.ru> <20200528222401.26941-9-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200528222401.26941-9-Sergey.Semin@baikalelectronics.ru> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On Fri, May 29, 2020 at 01:23:58AM +0300, Serge Semin wrote: > Since some DW DMA controllers (like one installed on Baikal-T1 SoC) may > have non-uniform DMA capabilities per device channels, let's add > the DW DMA specific device_caps callback to expose that specifics up to > the DMA consumer. It's a dummy function for now. We'll fill it in with > capabilities overrides in the next commits. This one I leave to Vinod to decide what to do. It is not harmful per se, but I consider better if it has a user already. Thus, no tag, sorry. -- With Best Regards, Andy Shevchenko