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: 53668 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp2652791wrn; Mon, 6 Feb 2023 21:02:44 -0800 (PST) X-Google-Smtp-Source: AK7set8JZuXtW68kpp+6tr+j6Sp2ztC1q8NZdwdSTcYVXs5FsCgl1Ha9WzIpUkzUNMXbTE3NGx8A X-Received: by 2002:a17:90a:195e:b0:22c:7ea2:8a36 with SMTP id 30-20020a17090a195e00b0022c7ea28a36mr2172277pjh.44.1675746163791; Mon, 06 Feb 2023 21:02:43 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1675746163; cv=none; d=google.com; s=arc-20160816; b=yDS19lVqEuf8LxDuUzrqxWMKFvLMqS2xEBwHzI85MPYh0DzibuJz+fhNjE/OmLIjbu E5mf2Ok00QoMEExQWiJ5fo5VIU4Gk7N/ZcggL+0Xtm/IIUsB8UmQm8Tp40b54WkVmXze 2FOXAfJqXXNmSDir53+e2ovoBSWFRrjuEYx7cBmvn02txiCoPdCxfxOMyJpEtl3YCkjZ 6P5Qrc/FgVPZtOCIP4pk1soZfC6SrelchluwTxzNzdvKi9WHdcyZJAAFpn6DBGzfgLT/ YNk/TLAfus5MqmjGC8oPAzCCvn0zGIfKx5dYxNVWMfEXDiOZZPbKy0G8agyVTLDCvtuZ qbSw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=PUCi1H9hv/sSXZlleZZ5Rb26bUcJ9yd3+X7lYe6SJEw=; b=0ECByh7b2rczmmUK1n/oJ75TQ4uA2YkSiWYLLTSKLjEFA5zR+smjgxPQkyuhXDHB9X 6J4k6pTuoSEeNZGLEaIz2yq/uWzwSFsSV6z89GDwPyLgZiLn+SvHWMOt4B3tPj5WrycF j7sfCvCuCBgDdCd9CLJF3iVOlsECEptklyAtLMISYcZlTgerayu662vXby6GS4KYL8+b UIpfg6fCdxSduGpk6yPEdspkM/ZUxeMLU6B4d+FFsXHJw3C1yyoHT7tpFqI4dC+tnOUE FXvjS86fCt1XONg/SMpoeTOus9s5o/Ye3Uk2Y0Hz5X9tAArWlbjdnrqcYlSeynu2CSY1 L2Ww== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@canonical.com header.s=20210705 header.b=oh3iBhgw; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=canonical.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id e125-20020a636983000000b004facb801aedsi7359907pgc.378.2023.02.06.21.02.30; Mon, 06 Feb 2023 21:02:43 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@canonical.com header.s=20210705 header.b=oh3iBhgw; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=canonical.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229963AbjBGE6v (ORCPT + 99 others); Mon, 6 Feb 2023 23:58:51 -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 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS 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: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1757147209889172435?= X-GMAIL-MSGID: =?utf-8?q?1757147209889172435?= 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 */