From patchwork Mon Nov 15 14:22:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 12619683 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB028C433F5 for ; Mon, 15 Nov 2021 14:33:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C51B961B6F for ; Mon, 15 Nov 2021 14:33:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232158AbhKOOgU (ORCPT ); Mon, 15 Nov 2021 09:36:20 -0500 Received: from aposti.net ([89.234.176.197]:51520 "EHLO aposti.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236536AbhKOO3Z (ORCPT ); Mon, 15 Nov 2021 09:29:25 -0500 From: Paul Cercueil To: Jonathan Cameron Cc: Alexandru Ardelean , Lars-Peter Clausen , Michael Hennerich , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, Paul Cercueil Subject: [PATCH 12/15] iio: buffer-dmaengine: Support new DMABUF based userspace API Date: Mon, 15 Nov 2021 14:22:40 +0000 Message-Id: <20211115142243.60605-1-paul@crapouillou.net> In-Reply-To: <20211115141925.60164-1-paul@crapouillou.net> References: <20211115141925.60164-1-paul@crapouillou.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Use the functions provided by the buffer-dma core to implement the DMABUF userspace API in the buffer-dmaengine IIO buffer implementation. Signed-off-by: Paul Cercueil --- drivers/iio/buffer/industrialio-buffer-dmaengine.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c index 5cde8fd81c7f..57a8b2e4ba3c 100644 --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c @@ -133,6 +133,9 @@ static const struct iio_buffer_access_funcs iio_dmaengine_buffer_ops = { .space_available = iio_dma_buffer_space_available, .release = iio_dmaengine_buffer_release, + .alloc_dmabuf = iio_dma_buffer_alloc_dmabuf, + .enqueue_dmabuf = iio_dma_buffer_enqueue_dmabuf, + .modes = INDIO_BUFFER_HARDWARE, .flags = INDIO_BUFFER_FLAG_FIXED_WATERMARK, };