From: Fabio Estevam Date: Mon, 29 Dec 2014 17:21:19 +0000 (-0200) Subject: dmaengine: mxs-dma: Declare slave capabilities for the generic code X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ef9d2a92334a27f4fb183ca1259744303564cc1b;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git dmaengine: mxs-dma: Declare slave capabilities for the generic code 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. Signed-off-by: Fabio Estevam Acked-by: Maxime Ripard Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index 599ffb5b7848..829ec686dac3 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);