From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751620AbaL2RVJ (ORCPT ); Mon, 29 Dec 2014 12:21:09 -0500 Received: from mail-vc0-f178.google.com ([209.85.220.178]:43886 "EHLO mail-vc0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751026AbaL2RVH (ORCPT ); Mon, 29 Dec 2014 12:21:07 -0500 From: Fabio Estevam To: vinod.koul@intel.com Cc: linux-kernel@vger.kernel.org, shawn.guo@linaro.org, kernel@pengutronix.de, Fabio Estevam , Maxime Ripard Subject: [PATCH 1/3] dmaengine: imx-sdma: Declare slave capabilities for the generic code Date: Mon, 29 Dec 2014 15:20:51 -0200 Message-Id: <1419873653-14411-1-git-send-email-festevam@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Fabio Estevam Since ecc19d17868be9c ("dmaengine: Add a warning for drivers not using the generic slave caps retrieval") the following warning is observed: [ 0.224981] ------------[ cut here ]------------ [ 0.225013] WARNING: CPU: 0 PID: 1 at drivers/dma/dmaengine.c:830 dma_async_device_register+0x2a0/0x4c8() [ 0.225023] this driver doesn't support generic slave capabilities reporting Declare the slave capabilities to avoid such warning. Cc: Maxime Ripard Signed-off-by: Fabio Estevam --- drivers/dma/imx-sdma.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index e3dd85a..facb4162 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1595,6 +1595,10 @@ static int sdma_probe(struct platform_device *pdev) sdma->dma_device.device_prep_dma_cyclic = sdma_prep_dma_cyclic; sdma->dma_device.device_config = sdma_config; sdma->dma_device.device_terminate_all = sdma_disable_channel; + sdma->dma_device.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); + sdma->dma_device.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); + sdma->dma_device.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + sdma->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; sdma->dma_device.device_issue_pending = sdma_issue_pending; sdma->dma_device.dev->dma_parms = &sdma->dma_parms; dma_set_max_seg_size(sdma->dma_device.dev, 65535); -- 1.9.1