| Message ID | 20180914154328.984-1-wsa+renesas@sang-engineering.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | dmaengine: rcar-dmac: set scatter/gather max segment size | expand |
On 14-09-18, 17:43, Wolfram Sang wrote: > Fix warning when running with CONFIG_DMA_API_DEBUG_SG=y by allocating a > device_dma_parameters structure and filling in the max segment size. Applied, thanks
diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 48ee35e2bce6..74fa2b1a6a86 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -198,6 +198,7 @@ struct rcar_dmac { struct dma_device engine; struct device *dev; void __iomem *iomem; + struct device_dma_parameters parms; unsigned int n_channels; struct rcar_dmac_chan *channels; @@ -1792,6 +1793,8 @@ static int rcar_dmac_probe(struct platform_device *pdev) dmac->dev = &pdev->dev; platform_set_drvdata(pdev, dmac); + dmac->dev->dma_parms = &dmac->parms; + dma_set_max_seg_size(dmac->dev, RCAR_DMATCR_MASK); dma_set_mask_and_coherent(dmac->dev, DMA_BIT_MASK(40)); ret = rcar_dmac_parse_of(&pdev->dev, dmac);
Fix warning when running with CONFIG_DMA_API_DEBUG_SG=y by allocating a device_dma_parameters structure and filling in the max segment size. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- Change since RFC: use better value, confirmed with Geert (thanks!) drivers/dma/sh/rcar-dmac.c | 3 +++ 1 file changed, 3 insertions(+)