From mboxrd@z Thu Jan 1 00:00:00 1970 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 64B72C636CC for ; Tue, 7 Feb 2023 04:59:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=lFMADDCP8/X6WK3LhfZmdUnXa9rcMu7TR3/+uBGGkio=; b=zBUlbKheSMiJGz XMAfzkcSQIcw//PUvet37vygsPpSgTFlp3QECH44HYtSPRwhRmZ4+svUlXCXAIl0+LlECEHjG4Y6t aBKYZgTB2SzzjUlEJko5AgQxffoRWjHmAc8bxjKfdVC4V5tmFNbcRxT/LaLWmmboTa3lbvdK2IqaS jO++Yk/v+o7J52pMP+tPKgb58BDFL+JRODozTsxnKe8puhK5rLKXcY54qnw1v00VmAKA5A1knezZo Jewvobyk0lvBqMrHLQU0TH/V/SVyhcfIhwO+wGCGyfjOiBhuezmvYTw5Rs7iZo9Pa5yTAKPY1gAZP BeMoW0+/DUQOmrTUJtiQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pPG4D-00AodP-J8; Tue, 07 Feb 2023 04:58:53 +0000 Received: from smtp-relay-canonical-1.canonical.com ([185.125.188.121]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pPG49-00Aobl-Re for linux-arm-kernel@lists.infradead.org; Tue, 07 Feb 2023 04:58:51 +0000 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230206_205850_322354_AC0A966B X-CRM114-Status: UNSURE ( 8.72 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 */ -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel