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[PATCH v1] ARM:dmaengine:sun6i:fix the uninitialized value for v_lli

From Axl-zhang <hao5781286@gmail.com>
Newsgroups linux.kernel
Subject [PATCH v1] ARM:dmaengine:sun6i:fix the uninitialized value for v_lli
Date 2016-11-02 06:40 +0100
Message-ID <syWrf-24J-3@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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dma_pool_alloc does not initialize the value of the newly allocated
block for the v_lli, and the uninitilize value make the tests failed
which is on pine64 with dmatest.
we can fix it just change the "|=" to "=" for the v_lli->cfg.

Signed-off-by: Hao Zhang <hao5781286@gmail.com>
---
 drivers/dma/sun6i-dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c
index 3835fcd..52b48eb 100644
--- a/drivers/dma/sun6i-dma.c
+++ b/drivers/dma/sun6i-dma.c
@@ -578,7 +578,7 @@ static struct dma_async_tx_descriptor *sun6i_dma_prep_dma_memcpy(
 
 	burst = convert_burst(8);
 	width = convert_buswidth(DMA_SLAVE_BUSWIDTH_4_BYTES);
-	v_lli->cfg |= DMA_CHAN_CFG_SRC_DRQ(DRQ_SDRAM) |
+	v_lli->cfg = DMA_CHAN_CFG_SRC_DRQ(DRQ_SDRAM) |
 		DMA_CHAN_CFG_DST_DRQ(DRQ_SDRAM) |
 		DMA_CHAN_CFG_DST_LINEAR_MODE |
 		DMA_CHAN_CFG_SRC_LINEAR_MODE |
-- 
2.7.4

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[PATCH v1] ARM:dmaengine:sun6i:fix the uninitialized value for v_lli Axl-zhang <hao5781286@gmail.com> - 2016-11-02 06:40 +0100
  Re: [PATCH v1] ARM:dmaengine:sun6i:fix the uninitialized value for  v_lli Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-11-02 20:00 +0100

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