From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752799AbaJPKYF (ORCPT ); Thu, 16 Oct 2014 06:24:05 -0400 Received: from top.free-electrons.com ([176.31.233.9]:37354 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752593AbaJPKUV (ORCPT ); Thu, 16 Oct 2014 06:20:21 -0400 From: Maxime Ripard To: dmaengine@vger.kernel.org, Vinod Koul Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Laurent Pinchart , =?UTF-8?q?Antoine=20T=C3=A9nart?= , lars@metafoo.de, Russell King , Maxime Ripard , Stephen Warren , Dan Williams , linux-rpi-kernel@lists.infradead.org Subject: [PATCH v2 45/53] dmaengine: bcm2835: Declare slave capabilities for the generic code Date: Thu, 16 Oct 2014 12:17:44 +0200 Message-Id: <1413454672-27400-46-git-send-email-maxime.ripard@free-electrons.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1413454672-27400-1-git-send-email-maxime.ripard@free-electrons.com> References: <1413454672-27400-1-git-send-email-maxime.ripard@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Now that the generic slave caps code can make use of the device assigned capabilities, instead of relying on a callback to be implemented. Make use of this code. Signed-off-by: Maxime Ripard --- drivers/dma/bcm2835-dma.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index 243bb1ed6bfc..f4f200113e0f 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -552,18 +552,6 @@ static struct dma_chan *bcm2835_dma_xlate(struct of_phandle_args *spec, return chan; } -static int bcm2835_dma_device_slave_caps(struct dma_chan *dchan, - struct dma_slave_caps *caps) -{ - caps->src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); - caps->dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); - caps->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); - caps->cmd_pause = false; - caps->cmd_terminate = true; - - return 0; -} - static int bcm2835_dma_probe(struct platform_device *pdev) { struct bcm2835_dmadev *od; @@ -605,6 +593,10 @@ static int bcm2835_dma_probe(struct platform_device *pdev) od->ddev.device_prep_dma_cyclic = bcm2835_dma_prep_dma_cyclic; od->ddev.device_config = bcm2835_dma_slave_config; od->ddev.device_terminate_all = bcm2835_dma_terminate_all; + od->ddev.generic_slave_caps = true; + od->ddev.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); + od->ddev.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); + od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); od->ddev.dev = &pdev->dev; INIT_LIST_HEAD(&od->ddev.channels); spin_lock_init(&od->lock); -- 2.1.1