Message ID | 20220728142841.12305-24-Sergey.Semin@baikalelectronics.ru |
---|---|
State | New |
Headers | show
Return-Path: <linux-pci-owner@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=baikalelectronics.ru header.i=@baikalelectronics.ru header.a=rsa-sha256 header.s=mail header.b=JwGP6lHg; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=<UNKNOWN>) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4LttW270Mxz9s5W for <incoming@patchwork.ozlabs.org>; Fri, 29 Jul 2022 00:36:14 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232638AbiG1OgM (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Thu, 28 Jul 2022 10:36:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37686 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232214AbiG1OfQ (ORCPT <rfc822;linux-pci@vger.kernel.org>); Thu, 28 Jul 2022 10:35:16 -0400 Received: from mail.baikalelectronics.com (unknown [87.245.175.230]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 482DA49B55; Thu, 28 Jul 2022 07:34:36 -0700 (PDT) Received: from mail (mail.baikal.int [192.168.51.25]) by mail.baikalelectronics.com (Postfix) with ESMTP id 489C95F8A; Thu, 28 Jul 2022 17:31:33 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.baikalelectronics.com 489C95F8A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baikalelectronics.ru; s=mail; t=1659018693; bh=jfexZWKKgmMoKbQRWSmsZpAuHhXpqLZNAGbwd9rIFCk=; h=From:To:CC:Subject:Date:In-Reply-To:References:From; b=JwGP6lHgKp1hhhomwDh5DlQNweWvw6NNEWx3Ojbp9ZnCe3/c2SzX8YPaxBOWvlTBr z611TFt4TRi39DFX3i20VjOtdoEMMfrBOy1plHVVVn7x5OJCC4AjSi36kzC96fUwoH yr7uysvcoLAmtHbg26FieGegFRUweAsFI/yUtewY= 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 17:29:08 +0300 From: Serge Semin <Sergey.Semin@baikalelectronics.ru> To: Gustavo Pimentel <gustavo.pimentel@synopsys.com>, Vinod Koul <vkoul@kernel.org>, Rob Herring <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Jingoo Han <jingoohan1@gmail.com>, Frank Li <Frank.Li@nxp.com>, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> CC: Serge Semin <Sergey.Semin@baikalelectronics.ru>, Serge Semin <fancer.lancer@gmail.com>, Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>, Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru>, =?utf-8?q?Krzys?= =?utf-8?q?ztof_Wilczy=C5=84ski?= <kw@linux.com>, <linux-pci@vger.kernel.org>, <dmaengine@vger.kernel.org>, <linux-kernel@vger.kernel.org> Subject: [PATCH v4 23/24] dmaengine: dw-edma: Skip cleanup procedure if no private data found Date: Thu, 28 Jul 2022 17:28:40 +0300 Message-ID: <20220728142841.12305-24-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 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,T_SPF_PERMERROR autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-pci.vger.kernel.org> X-Mailing-List: linux-pci@vger.kernel.org |
Series |
dmaengine: dw-edma: Add RP/EP local DMA controllers support
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diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index 4f56149dc8d8..5736a537f4c8 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -1040,6 +1040,10 @@ int dw_edma_remove(struct dw_edma_chip *chip) struct dw_edma *dw = chip->dw; int i; + /* Skip removal if no private data found */ + if (!dw) + return -ENODEV; + /* Disable eDMA */ dw_edma_v0_core_off(dw);