From patchwork Fri Jun 10 09:14:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 12877056 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96674CCA47F for ; Fri, 10 Jun 2022 09:16:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348706AbiFJJQP (ORCPT ); Fri, 10 Jun 2022 05:16:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47450 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347543AbiFJJPM (ORCPT ); Fri, 10 Jun 2022 05:15:12 -0400 Received: from mail.baikalelectronics.com (mail.baikalelectronics.com [87.245.175.230]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 014C71D1053; Fri, 10 Jun 2022 02:15:09 -0700 (PDT) Received: from mail (mail.baikal.int [192.168.51.25]) by mail.baikalelectronics.com (Postfix) with ESMTP id D110216A1; Fri, 10 Jun 2022 12:15:57 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.baikalelectronics.com D110216A1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baikalelectronics.ru; s=mail; t=1654852557; bh=jdEFSqG6aoMObiat/d/ABAKCDMCthhWtDmNFbKuYowg=; h=From:To:CC:Subject:Date:In-Reply-To:References:From; b=rRp2f39IYk8oOdmgz1RAwZSwXfv3tiPMsJu76QmFEZmRo0pj22DjTKrwr6X/1AMy4 YGiXkch8AOw3UiInOtNjavBfOMmwZROfoddkl/Jxw2PeKIX5gqKyasX7CP00evoNwE mrEiiOOI19BBQwMEhzuubQBKUCgRLaJA27ynJL0E= Received: from localhost (192.168.53.207) by mail (192.168.51.25) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 10 Jun 2022 12:15:05 +0300 From: Serge Semin To: Gustavo Pimentel , Vinod Koul , Rob Herring , Bjorn Helgaas , Lorenzo Pieralisi , Jingoo Han , Frank Li , Manivannan Sadhasivam CC: Serge Semin , Serge Semin , Alexey Malahov , Pavel Parkhomenko , =?utf-8?q?Krzys?= =?utf-8?q?ztof_Wilczy=C5=84ski?= , , , Subject: [PATCH v3 01/24] dmaengine: Fix dma_slave_config.dst_addr description Date: Fri, 10 Jun 2022 12:14:36 +0300 Message-ID: <20220610091459.17612-2-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20220610091459.17612-1-Sergey.Semin@baikalelectronics.ru> References: <20220610091459.17612-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Most likely due to a copy-paste mistake the dst_addr member of the dma_slave_config structure has been marked as ignored if the !source! address belong to the memory. That is relevant to the src_addr field of the structure while the dst_addr field as containing a destination device address is supposed to be ignored if the destination is the CPU memory. Let's fix the field description accordingly. Signed-off-by: Serge Semin Reviewed-by: Manivannan Sadhasivam Tested-by: Manivannan Sadhasivam --- include/linux/dmaengine.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 842d4f7ca752..f204ea16ac1c 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -395,7 +395,7 @@ enum dma_slave_buswidth { * should be read (RX), if the source is memory this argument is * ignored. * @dst_addr: this is the physical address where DMA slave data - * should be written (TX), if the source is memory this argument + * should be written (TX), if the destination is memory this argument * is ignored. * @src_addr_width: this is the width in bytes of the source (RX) * register where DMA data shall be read. If the source