From patchwork Fri Jan 13 17:13:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 13101371 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com 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 DFA83C678D4 for ; Fri, 13 Jan 2023 17:24:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229984AbjAMRYS (ORCPT ); Fri, 13 Jan 2023 12:24:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34824 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230413AbjAMRXD (ORCPT ); Fri, 13 Jan 2023 12:23:03 -0500 Received: from post.baikalelectronics.com (post.baikalelectronics.com [213.79.110.86]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5265AA2A8D; Fri, 13 Jan 2023 09:14:27 -0800 (PST) Received: from post.baikalelectronics.com (localhost.localdomain [127.0.0.1]) by post.baikalelectronics.com (Proxmox) with ESMTP id CF668E0F24; Fri, 13 Jan 2023 20:14:25 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= baikalelectronics.ru; h=cc:cc:content-transfer-encoding :content-type:content-type:date:from:from:in-reply-to:message-id :mime-version:references:reply-to:subject:subject:to:to; s=post; bh=Pz3PZgNkB4kuIp8FUTUUzkHlwVrycq+tYgKjEZRBFgg=; b=WcUr4SDTaWUX l9F4aPv+JI9ltxJxmPZ0aqmD54egH1qhikns9kdVynTNs5UOSqTJm9swzxtUL7TO aeZSKhn7VjhTjOEgznLrd8ipmSViCneUiANAfYho37kSvzjAfj5HM6YA/kzMFBqy dtu83ApNVpzd/k0QhAXkax5OEwaGYok= Received: from mail.baikal.int (mail.baikal.int [192.168.51.25]) by post.baikalelectronics.com (Proxmox) with ESMTP id B3C55E0F13; Fri, 13 Jan 2023 20:14:25 +0300 (MSK) Received: from localhost (10.8.30.26) by mail (192.168.51.25) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 13 Jan 2023 20:14:25 +0300 From: Serge Semin To: Gustavo Pimentel , Vinod Koul , Rob Herring , Bjorn Helgaas , Lorenzo Pieralisi , Cai Huoqing , Robin Murphy , 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?= , caihuoqing , Yoshihiro Shimoda , , , , Gustavo Pimentel Subject: [PATCH v9 09/27] dmaengine: dw-edma: Drop chancnt initialization Date: Fri, 13 Jan 2023 20:13:51 +0300 Message-ID: <20230113171409.30470-10-Sergey.Semin@baikalelectronics.ru> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230113171409.30470-1-Sergey.Semin@baikalelectronics.ru> References: <20230113171409.30470-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 X-Originating-IP: [10.8.30.26] X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org DMA device drivers aren't supposed to initialize the dma_device.chancnt field. It will be done by the DMA-engine core in accordance with number of added virtual DMA-channels. Pre-initializing it with some value causes having a wrong number of channels printed in the device summary. Fixes: e63d79d1ffcd ("dmaengine: Add Synopsys eDMA IP core driver") Signed-off-by: Serge Semin Reviewed-by: Manivannan Sadhasivam Tested-by: Manivannan Sadhasivam Acked-by: Vinod Koul --- drivers/dma/dw-edma/dw-edma-core.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index 6c9f95a8e397..ecd3e8f7ac5d 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -817,7 +817,6 @@ static int dw_edma_channel_setup(struct dw_edma *dw, bool write, dma->src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); dma->dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); dma->residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR; - dma->chancnt = cnt; /* Set DMA channel callbacks */ dma->dev = chip->dev;