| Message ID | 1493978274-12805-8-git-send-email-thomas.petazzoni@free-electrons.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index b133fe2..f3e211f 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -693,6 +693,10 @@ static int mv_xor_v2_probe(struct platform_device *pdev) platform_set_drvdata(pdev, xor_dev); + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(40)); + if (ret) + return ret; + xor_dev->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(xor_dev->clk) && PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) return -EPROBE_DEFER;
The XORv2 engine on Armada 7K/8K can only access the first 40 bits of the physical address space, so the DMA mask must be set accordingly. Fixes: 19a340b1a820 ("dmaengine: mv_xor_v2: new driver") Cc: <stable@vger.kernel.org> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> --- drivers/dma/mv_xor_v2.c | 4 ++++ 1 file changed, 4 insertions(+)