dmaengine: sun6i: fix the uninitialized value for v_lli
authorAxl-zhang <hao5781286@gmail.com>
Wed, 2 Nov 2016 05:31:12 +0000 (13:31 +0800)
committerVinod Koul <vinod.koul@intel.com>
Mon, 14 Nov 2016 05:05:58 +0000 (10:35 +0530)
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>
drivers/dma/sun6i-dma.c

index 83461994e4181a67b73c5ceaa7bfb24bada1f9d5..a2358780ab2c3ca6ea52c834fa692a644e35c0cb 100644 (file)
@@ -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 |