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Message-Id: <1342166974-4490-3-git-send-email-andriy.shevchenko@linux.intel.com>
Date: Fri, 13 Jul 2012 11:09:34 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Viresh Kumar <viresh.linux@...il.com>,
linux-kernel@...r.kernel.org, Vinod Koul <vinod.koul@...el.com>,
Dan Williams <dan.j.williams@...el.com>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH 3/3] dw_dmac: set default alignment
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@...ux.intel.com>
---
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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