[PATCH 3/3] dw_dmac: set default alignment

[Andy Shevchenko]

The default values are filled to support at least mem-to-mem tests provided by
dmatest module. It makes sense to choose the 4 bytes (2 least significant bits)
alignment by the default.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/dma/dw_dmac.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 3d061c6..2a19ab6 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -1485,6 +1485,12 @@ static int __devinit dw_probe(struct platform_device *pdev)
 	dw->dma.device_tx_status = dwc_tx_status;
 	dw->dma.device_issue_pending = dwc_issue_pending;
 
+	/* Set default alignment */
+	dw->dma.copy_align = 2;
+	dw->dma.xor_align = 2;
+	dw->dma.pq_align = 2;
+	dw->dma.fill_align = 2;
+
 	dma_writel(dw, CFG, DW_CFG_DMA_EN);
 
 	printk(KERN_INFO "%s: DesignWare DMA Controller, %d channels\n",
-- 
1.7.10.4

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