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| author | Axl-zhang <hao5781286@gmail.com> | 2016-11-02 08:31:12 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-11-14 08:05:58 +0300 |
| commit | f732c5b7c734cfc2c563c918fe2842175c7eb073 (patch) | |
| tree | e2aa7ab40c7c47eb42d20b8ee970549eaaeb6063 /drivers/dma/sun6i-dma.c | |
| parent | d6619761068cf573cae406f176d00b82a39a37fc (diff) | |
| download | linux-f732c5b7c734cfc2c563c918fe2842175c7eb073.tar.xz | |
dmaengine: sun6i: fix the uninitialized value for v_lli
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>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/sun6i-dma.c')
| -rw-r--r-- | drivers/dma/sun6i-dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c index 83461994e418..a2358780ab2c 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 | |