From patchwork Fri Mar 14 13:48:47 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Gessler X-Patchwork-Id: 14016930 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 631E6C282EC for ; Fri, 14 Mar 2025 13:53:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=4KzDS4ElH+oa8cw+Cn2JRv+agfmydzZVTUW+H+O5/ZE=; b=evxf2KaOFKMRewSYdV6VcBcdLM R6MHeZG1MnWlYZWgNaQTsHFsV6SIwm3xB3B/Mhdf5gKdkaGf/Eviu/tXBaq/jiWepCQfg2k6FdwSD m2Dtha4YVPbJIJwlwg2Eg3LqZ53GVFahErC0cYK9Q20QxhPo3OOC2JDGsLutNobgm5wc0J5u1kOiU ZHlKvZkpu8y/0St+3oDUVySRJQ7oWzmfWbC2DH2fo5BQSMOvj02+JkCTDGmInA4/ufqBXINzJWPQu 8s9xPyhlBap7B5EifLg/iW2UP7Mw9RkACQLiqJfqpI0WpbmPXrazjyZntgHdOdh4Ojqa0Qw9St7CR +eZWCetA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tt5T6-0000000EKgf-1R3t; Fri, 14 Mar 2025 13:52:56 +0000 Received: from mxout37.expurgate.net ([91.198.224.37]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tt5Py-0000000EKA2-0i50 for linux-arm-kernel@lists.infradead.org; Fri, 14 Mar 2025 13:49:43 +0000 Received: from [194.37.255.9] (helo=mxout.expurgate.net) by relay.expurgate.net with smtp (Exim 4.92) (envelope-from ) id 1tt5Pu-005k7L-HR; Fri, 14 Mar 2025 14:49:38 +0100 Received: from [217.239.223.202] (helo=zimbra.brueckmann-gmbh.de) by relay.expurgate.net with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tt5Pt-003chE-Oy; Fri, 14 Mar 2025 14:49:37 +0100 Received: from zimbra.brueckmann-gmbh.de (localhost [127.0.0.1]) by zimbra.brueckmann-gmbh.de (Postfix) with ESMTPS id 9E367CAF097; Fri, 14 Mar 2025 14:49:36 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by zimbra.brueckmann-gmbh.de (Postfix) with ESMTP id 9C677CAF053; Fri, 14 Mar 2025 14:49:36 +0100 (CET) Received: from zimbra.brueckmann-gmbh.de ([127.0.0.1]) by localhost (zimbra.brueckmann-gmbh.de [127.0.0.1]) (amavis, port 10026) with ESMTP id WRq9PIR4BSAX; Fri, 14 Mar 2025 14:49:36 +0100 (CET) Received: from ew-linux.ew (unknown [10.0.11.14]) by zimbra.brueckmann-gmbh.de (Postfix) with ESMTPSA id 872CBCAEFB5; Fri, 14 Mar 2025 14:49:36 +0100 (CET) From: Thomas Gessler To: dmaengine@vger.kernel.org Cc: Thomas Gessler , Vinod Koul , Michal Simek , Marek Vasut , Radhey Shyam Pandey , =?utf-8?q?Uwe_Kleine-K?= =?utf-8?q?=C3=B6nig?= , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] dmaengine: xilinx_dma: Set dma_device directions Date: Fri, 14 Mar 2025 14:48:47 +0100 Message-ID: <20250314134849.703819-1-thomas.gessler@brueckmann-gmbh.de> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-purgate-type: clean X-purgate: clean X-purgate-ID: 151534::1741960178-6A6E29C1-AE591C42/0/0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250314_064942_350756_636D3265 X-CRM114-Status: UNSURE ( 9.15 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Coalesce the direction bits from the enabled TX and/or RX channels into the directions bit mask of dma_device. Without this mask set, dma_get_slave_caps() in the DMAEngine fails, which prevents the driver from being used with an IIO DMAEngine buffer. Signed-off-by: Thomas Gessler Tested-by: Folker Schwesinger --- drivers/dma/xilinx/xilinx_dma.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 108a7287f4cd..641aaf0c0f1c 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -3205,6 +3205,10 @@ static int xilinx_dma_probe(struct platform_device *pdev) } } + for (i = 0; i < xdev->dma_config->max_channels; i++) + if (xdev->chan[i]) + xdev->common.directions |= xdev->chan[i]->direction; + if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { for (i = 0; i < xdev->dma_config->max_channels; i++) if (xdev->chan[i])