From patchwork Thu Mar 24 01:48:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 12793928 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 C19B0C433F5 for ; Mon, 28 Mar 2022 16:44:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243011AbiC1QqJ (ORCPT ); Mon, 28 Mar 2022 12:46:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242662AbiC1QqC (ORCPT ); Mon, 28 Mar 2022 12:46:02 -0400 Received: from mail.baikalelectronics.ru (mail.baikalelectronics.com [87.245.175.226]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4383521E17; Mon, 28 Mar 2022 09:44:16 -0700 (PDT) Received: from mail.baikalelectronics.ru (unknown [192.168.51.25]) by mail.baikalelectronics.ru (Postfix) with ESMTP id 275821E4949; Thu, 24 Mar 2022 04:48:46 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.baikalelectronics.ru 275821E4949 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baikalelectronics.ru; s=mail; t=1648086526; bh=TYvNf8iu0bXsZA6qu5zNMBzjycLwgfx75RSoOb+pG9s=; h=From:To:CC:Subject:Date:In-Reply-To:References:From; b=X0DRTFhIp88+Rl/fRL+cl0sVwNtPkQ/rDwFSt+EiAtPbh5x1IH0yXxxav+igAaSlm uqiy6gN1ozKAHMJOHOAtRsC4Lk4axYxTjPmTvkdW+OWWVhD9af5EYkt+iGjm9dNi/S U7g9sUpoB78N1xanEKysQEt0xsz5n4PyGdeHI0rI= Received: from localhost (192.168.168.10) by mail (192.168.51.25) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 24 Mar 2022 04:48:46 +0300 From: Serge Semin To: Gustavo Pimentel , Vinod Koul , Jingoo Han , Bjorn Helgaas , Frank Li , Manivannan Sadhasivam CC: Serge Semin , Serge Semin , Alexey Malahov , Pavel Parkhomenko , Lorenzo Pieralisi , Rob Herring , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , , , , Gustavo Pimentel Subject: [PATCH 11/25] dmaengine: dw-edma: Drop chancnt initialization Date: Thu, 24 Mar 2022 04:48:22 +0300 Message-ID: <20220324014836.19149-12-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20220324014836.19149-1-Sergey.Semin@baikalelectronics.ru> References: <20220324014836.19149-1-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 --- 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 418b201fef67..cefa73412bf7 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_chip *chip, 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;