linux-kernel - [PATCH v4 56/58] dmaengine: sun6i: Declare slave capabilities for the generic code

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Date:	Tue, 28 Oct 2014 22:26:11 +0100
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Vinod Koul <vinod.koul@...el.com>, dmaengine@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Antoine Ténart <antoine@...e-electrons.com>,
	Russell King <linux@....linux.org.uk>, lars@...afoo.de,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH v4 56/58] dmaengine: sun6i: Declare slave capabilities for the generic code

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 <maxime.ripard@...e-electrons.com>
---
 drivers/dma/sun6i-dma.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c
index c3a6b3f789a8..8c30b2000d9a 100644
--- a/drivers/dma/sun6i-dma.c
+++ b/drivers/dma/sun6i-dma.c
@@ -921,6 +921,15 @@ static int sun6i_dma_probe(struct platform_device *pdev)
 	sdc->slave.device_resume		= sun6i_dma_resume;
 	sdc->slave.device_terminate_all		= sun6i_dma_terminate_all;
 	sdc->slave.chancnt			= NR_MAX_VCHANS;
+	sdc->slave.src_addr_widths		= BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) |
+						  BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |
+						  BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
+	sdc->slave.dst_addr_widths		= BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) |
+						  BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |
+						  BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
+	sdc->slave.directions			= BIT(DMA_DEV_TO_MEM) |
+						  BIT(DMA_MEM_TO_DEV);
+	sdc->slave.residue_granularity		= DMA_RESIDUE_GRANULARITY_BURST;
 	sdc->slave.dev = &pdev->dev;
 
 	sdc->pchans = devm_kcalloc(&pdev->dev, NR_MAX_CHANNELS,
-- 
2.1.1

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