From patchwork Tue Feb 7 04:57:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kai-Heng Feng X-Patchwork-Id: 13131017 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 DB037C636CD for ; Tue, 7 Feb 2023 04:58:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229939AbjBGE6t (ORCPT ); Mon, 6 Feb 2023 23:58:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229872AbjBGE6s (ORCPT ); Mon, 6 Feb 2023 23:58:48 -0500 Received: from smtp-relay-canonical-1.canonical.com (smtp-relay-canonical-1.canonical.com [185.125.188.121]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1ACBF1CF57; Mon, 6 Feb 2023 20:58:47 -0800 (PST) Received: from localhost.localdomain (unknown [10.101.196.174]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-1.canonical.com (Postfix) with ESMTPSA id 2B7BE3FE8A; Tue, 7 Feb 2023 04:58:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1675745922; bh=PUCi1H9hv/sSXZlleZZ5Rb26bUcJ9yd3+X7lYe6SJEw=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=oh3iBhgwPV2pXs9Y48EgmlW8x+dlcoun7XxYLrlER/xDhcECDzf7RD0DV9w1pkhHx Lr+3NNfTeVa2QrSIQxSCEUmE1OhflkdRTQ0lkJhtaO+h55KzGaMVLW3Vxn+Hw9KN1E TVU8u6sekyqSoSa21hWjgi/2pAnzevCyq/QbGtj1PSFoI3Uj8qyM4DiZWvh9d4hRpn b7fthwufoNM0J+g/Y61LQw2j2Tlyyi8+zsrVik7hNA5twREF0rQeQGy4IurVfFdeQE Hwig/6E4FG5UyLXlYg/s5+XILcHEU3vh1K8I4gbvQTrRjkCOMxAj5RZLiuWF5ywtww Bc7p6fmK67tqg== From: Kai-Heng Feng To: vkoul@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: Kai-Heng Feng , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] dmaengine: imx-sdma: Set DMA channel to be private Date: Tue, 7 Feb 2023 12:57:45 +0800 Message-Id: <20230207045745.1029959-1-kai.heng.feng@canonical.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org If async-tx is loaded before device drivers that requires imx-sdma, the dmaengine_get() routine from async-tx grabs all non-private channels, so devices that require DMA fail to work. So mark imx-sdma with DMA_PRIVATE to avoid such situation. Signed-off-by: Kai-Heng Feng --- drivers/dma/imx-sdma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index b926abe4fa43a..b86cdab5c2683 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -2234,6 +2234,7 @@ static int sdma_probe(struct platform_device *pdev) dma_cap_set(DMA_SLAVE, sdma->dma_device.cap_mask); dma_cap_set(DMA_CYCLIC, sdma->dma_device.cap_mask); dma_cap_set(DMA_MEMCPY, sdma->dma_device.cap_mask); + dma_cap_set(DMA_PRIVATE, sdma->dma_device.cap_mask); INIT_LIST_HEAD(&sdma->dma_device.channels); /* Initialize channel parameters */