From: Wolfram Sang wsa+renesas@sang-engineering.com
[ Upstream commit 97d49c59e219acac576e16293a6b8cb99302f62f ]
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 Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/sh/rcar-dmac.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 19c7433e83097..f7ca57125ac7c 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -200,6 +200,7 @@ 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; @@ -1764,6 +1765,8 @@ 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);