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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 15329C3526C for ; Tue, 8 Dec 2020 09:06:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B76A423A82 for ; Tue, 8 Dec 2020 09:06:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728819AbgLHJGA (ORCPT ); Tue, 8 Dec 2020 04:06:00 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:51800 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728794AbgLHJF7 (ORCPT ); Tue, 8 Dec 2020 04:05:59 -0500 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0B894JcZ130400; Tue, 8 Dec 2020 03:04:19 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1607418259; bh=9ls1rrDJzgkFi+HLj+7Y+2Kxc/KjoBYF/oSuS633YiQ=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=NYd9ScEKCnvXEjDt7/t4AOoD7r9DtvliYFb0d+g3bpLbES+YDaHEa7JM2EecCHOaT 3rAYOxwbPCpeMmADB5DPukPk+vzjiy4dd5lMIa+16DD1pUuB3Rs/JCuOingZRiD3M6 7wlG5mYeOFSzXy81b6v3nf9bVYH0jflvvz3PIV4k= Received: from DLEE115.ent.ti.com (dlee115.ent.ti.com [157.170.170.26]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0B894JIX044251 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 8 Dec 2020 03:04:19 -0600 Received: from DLEE112.ent.ti.com (157.170.170.23) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 8 Dec 2020 03:04:18 -0600 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE112.ent.ti.com (157.170.170.23) 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; Tue, 8 Dec 2020 03:04:18 -0600 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0B893dcE120112; Tue, 8 Dec 2020 03:04:15 -0600 From: Peter Ujfalusi To: , , , CC: , , , , , , , Subject: [PATCH v3 09/20] dmaengine: doc: client: Update for dmaengine_get_dma_device() usage Date: Tue, 8 Dec 2020 11:04:29 +0200 Message-ID: <20201208090440.31792-10-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201208090440.31792-1-peter.ujfalusi@ti.com> References: <20201208090440.31792-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.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. 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Tue, 8 Dec 2020 03:04:19 -0600 Received: from DLEE112.ent.ti.com (157.170.170.23) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 8 Dec 2020 03:04:18 -0600 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE112.ent.ti.com (157.170.170.23) 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; Tue, 8 Dec 2020 03:04:18 -0600 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0B893dcE120112; Tue, 8 Dec 2020 03:04:15 -0600 From: Peter Ujfalusi To: , , , Subject: [PATCH v3 09/20] dmaengine: doc: client: Update for dmaengine_get_dma_device() usage Date: Tue, 8 Dec 2020 11:04:29 +0200 Message-ID: <20201208090440.31792-10-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201208090440.31792-1-peter.ujfalusi@ti.com> References: <20201208090440.31792-1-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-20201208_040422_015371_1077AA3A X-CRM114-Status: GOOD ( 12.45 ) 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, grygorii.strashko@ti.com, vigneshr@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