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=-5.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 24665C4BA0E for ; Wed, 26 Feb 2020 09:22:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E707D2465D for ; Wed, 26 Feb 2020 09:22:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="H4WbBTqc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727745AbgBZJW1 (ORCPT ); Wed, 26 Feb 2020 04:22:27 -0500 Received: from lelv0142.ext.ti.com ([198.47.23.249]:38834 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726494AbgBZJW1 (ORCPT ); Wed, 26 Feb 2020 04:22:27 -0500 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 01Q9ML88015721; Wed, 26 Feb 2020 03:22:21 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1582708941; bh=MuGgeJ3sRoEpmi6I3shwOJzt0XHI9Efz+v7suVqx2tE=; h=Subject:To:CC:References:From:Date:In-Reply-To; b=H4WbBTqcW+QRgXYbOD3ZDFTcyvlx9VZxv3UVm7FQNaZTCGseC6X7GDBt5e+xdx17o qxB3IjV1ydurkHH7qQt2afobqYF+AUu/EjkyCMnzYKCkZabyqHziQUnkxdehTsRy9d 7cx7ludKigC8apjpfNUeR+n68OJpSQP1meOz+HK8= Received: from DLEE102.ent.ti.com (dlee102.ent.ti.com [157.170.170.32]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 01Q9MLBj063929; Wed, 26 Feb 2020 03:22:21 -0600 Received: from DLEE102.ent.ti.com (157.170.170.32) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Wed, 26 Feb 2020 03:22:19 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Wed, 26 Feb 2020 03:22:19 -0600 Received: from [192.168.2.6] (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 01Q9MEYR119350; Wed, 26 Feb 2020 03:22:15 -0600 Subject: Re: [PATCH v2] media: rcar_drif: Use dma_request_chan() instead dma_request_slave_channel() To: Hans Verkuil , , , CC: , , , References: <20200120124754.26826-1-peter.ujfalusi@ti.com> From: Peter Ujfalusi Message-ID: <047fb0e6-9d43-1d9b-0e3a-2da58613c640@ti.com> Date: Wed, 26 Feb 2020 11:22:08 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 8bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hi Hans, On 2/25/20 2:07 PM, Hans Verkuil wrote: > Hi Peter, > > On 1/20/20 1:47 PM, Peter Ujfalusi wrote: >> dma_request_slave_channel() is a wrapper on top of dma_request_chan() >> eating up the error code. >> >> By using dma_request_chan() directly the driver can support deferred >> probing against DMA. >> >> Signed-off-by: Peter Ujfalusi >> Reviewed-by: Geert Uytterhoeven > > Unfortunately the v1 version of this patch got merged, so can you make a > new patch against the current media_tree master to bring it up to date > with this v3? Sure, I'll send an update patch in couple of minutes. > My apologies for this. No issue Regards, - Péter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki