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Date: Mon, 29 Dec 2014 15:21:19 -0200 From: Fabio Estevam <festevam@...il.com> To: vinod.koul@...el.com Cc: linux-kernel@...r.kernel.org, shawn.guo@...aro.org, kernel@...gutronix.de, Fabio Estevam <fabio.estevam@...escale.com>, Maxime Ripard <maxime.ripard@...e-electrons.com> Subject: [PATCH] dmaengine: mxs-dma: Declare slave capabilities for the generic code From: Fabio Estevam <fabio.estevam@...escale.com> Since ecc19d17868be9c ("dmaengine: Add a warning for drivers not using the generic slave caps retrieval") the following warning is observed: [ 0.113023] ------------[ cut here ]------------ [ 0.113053] WARNING: CPU: 0 PID: 1 at drivers/dma/dmaengine.c:830 dma_async_device_register+0x2a0/0x4c8() [ 0.113063] this driver doesn't support generic slave capabilities reporting Declare the slave capabilities to avoid such warning. Cc: Maxime Ripard <maxime.ripard@...e-electrons.com> Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com> --- drivers/dma/mxs-dma.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index 599ffb5..829ec68 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -848,6 +848,10 @@ static int __init mxs_dma_probe(struct platform_device *pdev) mxs_dma->dma_device.device_pause = mxs_dma_pause_chan; mxs_dma->dma_device.device_resume = mxs_dma_resume_chan; mxs_dma->dma_device.device_terminate_all = mxs_dma_terminate_all; + mxs_dma->dma_device.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); + mxs_dma->dma_device.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); + mxs_dma->dma_device.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + mxs_dma->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; mxs_dma->dma_device.device_issue_pending = mxs_dma_enable_chan; ret = dma_async_device_register(&mxs_dma->dma_device); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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