From patchwork Mon Aug 22 18:53:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 12951159 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 714D9C38145 for ; Mon, 22 Aug 2022 18:54:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237801AbiHVSyz (ORCPT ); Mon, 22 Aug 2022 14:54:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37952 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237799AbiHVSyT (ORCPT ); Mon, 22 Aug 2022 14:54:19 -0400 Received: from mail.baikalelectronics.com (mail.baikalelectronics.com [87.245.175.230]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 46A0EB7D; Mon, 22 Aug 2022 11:53:57 -0700 (PDT) Received: from mail (mail.baikal.int [192.168.51.25]) by mail.baikalelectronics.com (Postfix) with ESMTP id 1924CDA4; Mon, 22 Aug 2022 21:57:08 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.baikalelectronics.com 1924CDA4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baikalelectronics.ru; s=mail; t=1661194628; bh=97a9U8E5vZvQUfsqwWz6wdvVx63TZNSKII0ja/EivXE=; h=From:To:CC:Subject:Date:In-Reply-To:References:From; b=D4cw8tbaUxNXpB8h9AI+Zq9eW31vxqy3ow7qgNrENRxcUlEd/LGJrKC6Rk+0e+3Hv xTb2SsmVt3leXHKxWevQdxEzzqP2o3l08fxcaK3ZY2bOZ7G8VJMrMKx1UYzUPSb11G yZbGUow0rliH1o9pQNqaDprFGPNQI+TZzKAubxCE= Received: from localhost (192.168.168.10) by mail (192.168.51.25) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 22 Aug 2022 21:53:53 +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?= , , , , Gustavo Pimentel Subject: [PATCH RESEND v5 09/24] dmaengine: dw-edma: Drop chancnt initialization Date: Mon, 22 Aug 2022 21:53:17 +0300 Message-ID: <20220822185332.26149-10-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20220822185332.26149-1-Sergey.Semin@baikalelectronics.ru> References: <20220822185332.26149-1-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: 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 be466b781376..e9cb3056b6b7 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -823,7 +823,6 @@ 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;