From patchwork Thu Jul 28 14:28:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 12931403 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 97A39C19F2D for ; Thu, 28 Jul 2022 14:36:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232879AbiG1OgW (ORCPT ); Thu, 28 Jul 2022 10:36:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232677AbiG1OfN (ORCPT ); Thu, 28 Jul 2022 10:35:13 -0400 Received: from mail.baikalelectronics.com (unknown [87.245.175.230]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D265141D03 for ; Thu, 28 Jul 2022 07:34:33 -0700 (PDT) Received: from mail (mail.baikal.int [192.168.51.25]) by mail.baikalelectronics.com (Postfix) with ESMTP id B3C2F16D7; Thu, 28 Jul 2022 17:31:09 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.baikalelectronics.com B3C2F16D7 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baikalelectronics.ru; s=mail; t=1659018669; bh=bA4WQAY8CizPkO+9IE2AjYNnbT8/R2l+P47T/SmQGRk=; h=From:To:CC:Subject:Date:In-Reply-To:References:From; b=FgO9ubxj/6bE6eSTuM+UaAneOB0ZrZl8UztyxMneRe46VWM2lF1DhyfjqbwuTtc9+ G2pOQAvLQ9y+CnnaSpf5cwMGc/EgiBvu41wgcjZDVWKmAmYQSBtY/00fBLd8hak1r4 DoR0VhryNyDoRLrz4hVcEpXmHdbbTSgSnIa6+FPE= Received: from localhost (192.168.53.207) by mail (192.168.51.25) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 28 Jul 2022 17:28:44 +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 v4 01/24] dmaengine: Fix dma_slave_config.dst_addr description Date: Thu, 28 Jul 2022 17:28:18 +0300 Message-ID: <20220728142841.12305-2-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20220728142841.12305-1-Sergey.Semin@baikalelectronics.ru> References: <20220728142841.12305-1-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 Acked-By: Vinod Koul --- 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 b46b88e6aa0d..afa12e7beed3 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