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[23.128.96.18]) by mx.google.com with ESMTP id n2si11307202edi.362.2020.12.08.01.09.59; Tue, 08 Dec 2020 01:10:21 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=NYd9ScEK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728825AbgLHJGA (ORCPT + 99 others); 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: linux-kernel@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. Kotipaikka/Domicile: Helsinki