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 X-Spam-Level: X-Spam-Status: No, score=-13.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E633C4727F for ; Wed, 30 Sep 2020 09:17:56 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BCE142071E for ; Wed, 30 Sep 2020 09:17:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="xkZDJsEi"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ti.com header.i=@ti.com header.b="h4YVWUGn" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BCE142071E Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=sl0IaXPPdCVQKTCLS0uI8l8eow6fnNFuJKSm4RP2guY=; b=xkZDJsEiP+MjMsfcXa+1+FIxD UB4Px1VALObVrT5/jdUIyl0lHI0Wt3AjUSQYu3wTFerZ1O1tKd9fSPUiuZCCVWyNqij8EfJkQQ9jE bFIwXcI/SpNjkIef1HW9pJ/UIKO4dGIwLK24EW1OviWeJeIt2Av/rv8NwQnP5GzP9ePYDlv67zejz DYKP60i6hRGMbLiGRlKA99fcjT15sQz+yHmuXsq5oyl74BrsAFUiYk5hO0xaMmBt/4D2jsXoq6gcP RrOIcKM7krF+1DaAByuPoUuNvnLbvtF8pdBg4hJL/bQYGK4QAhlXWIY4HhMgfwyGkF2ldedVlmTDp qk08O25Yw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNYCm-0007ps-1t; Wed, 30 Sep 2020 09:15:20 +0000 Received: from fllv0015.ext.ti.com ([198.47.19.141]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNYBf-0007QF-Bf for linux-arm-kernel@lists.infradead.org; Wed, 30 Sep 2020 09:14:13 +0000 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 08U9E8Lt034919; Wed, 30 Sep 2020 04:14:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1601457248; bh=9ls1rrDJzgkFi+HLj+7Y+2Kxc/KjoBYF/oSuS633YiQ=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=h4YVWUGnaERUkgr9ax/6yF+JlLziWtlqgMuccKJde2vzkzSVeo+w5rbLzvSQ3yqTY p/u/ILnwxWWJkpxfjRUodFWJ732d1NMqqMqHXLkjAYI9/3kEDg/bliUC/q48cuB5rT dwntlTwH9ly70cB4KZOdB5G4zan6AUwMcUoI9uQk= Received: from DLEE100.ent.ti.com (dlee100.ent.ti.com [157.170.170.30]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 08U9E88M049189 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 30 Sep 2020 04:14:08 -0500 Received: from DLEE102.ent.ti.com (157.170.170.32) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 30 Sep 2020 04:14:08 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 30 Sep 2020 04:14:08 -0500 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 08U9DuJa116385; Wed, 30 Sep 2020 04:14:05 -0500 From: Peter Ujfalusi To: , , , , Subject: [PATCH 03/18] dmaengine: doc: client: Update for dmaengine_get_dma_device() usage Date: Wed, 30 Sep 2020 12:13:57 +0300 Message-ID: <20200930091412.8020-4-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200930091412.8020-1-peter.ujfalusi@ti.com> References: <20200930091412.8020-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200930_051411_601393_8D9A9AF5 X-CRM114-Status: GOOD ( 12.50 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, lokeshvutla@ti.com, linux-kernel@vger.kernel.org, t-kristo@ti.com, dmaengine@vger.kernel.org, dan.j.williams@intel.com, linux-arm-kernel@lists.infradead.org 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 Client drivers should use the dmaengine_get_dma_device(chan) to get the device pointer which should be used for DMA API for allocations and mapping. Signed-off-by: Peter Ujfalusi --- Documentation/driver-api/dmaengine/client.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/driver-api/dmaengine/client.rst b/Documentation/driver-api/dmaengine/client.rst index 09a3f66dcd26..bfd057b21a00 100644 --- a/Documentation/driver-api/dmaengine/client.rst +++ b/Documentation/driver-api/dmaengine/client.rst @@ -120,7 +120,9 @@ The details of these operations are: .. code-block:: c - nr_sg = dma_map_sg(chan->device->dev, sgl, sg_len); + struct device *dma_dev = dmaengine_get_dma_device(chan); + + nr_sg = dma_map_sg(dma_dev, sgl, sg_len); if (nr_sg == 0) /* error */ -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel