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| author |   Ioana Radulescu <ruxandra.radulescu@nxp.com> | 2018-07-09 10:01:07 -0500 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-10 12:32:35 +0200 |
| commit | 466bcdc1fa303be175c45d054bb00effc575033a (patch) | |
| tree | 1f38d62cf6535f3618d19979b2f2bd674fc72f86 /drivers/staging/fsl-dpaa2 | |
| parent | staging: rtl8188eu: replace tabs with spaces (diff) | |
| download | linux-dev-466bcdc1fa303be175c45d054bb00effc575033a.tar.xz linux-dev-466bcdc1fa303be175c45d054bb00effc575033a.zip | |
staging: fsl-dpaa2/eth: Fix DMA mapping direction
We are using DMA_FROM_DEVICE when mapping RX frame buffers,
but DMA_BIDIRECTIONAL for unmap. Fix the direction for DMA
unmapping operation.
Fixes: 87eb55e418b7 ("staging: fsl-dpaa2/eth: Fix potential endless loop")
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/fsl-dpaa2')
| -rw-r--r-- | drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c index 396371728aa1..537d5bb5e294 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c @@ -767,7 +767,7 @@ static void free_bufs(struct dpaa2_eth_priv *priv, u64 *buf_array, int count) for (i = 0; i < count; i++) { vaddr = dpaa2_iova_to_virt(priv->iommu_domain, buf_array[i]); dma_unmap_single(dev, buf_array[i], DPAA2_ETH_RX_BUF_SIZE, - DMA_BIDIRECTIONAL); + DMA_FROM_DEVICE); skb_free_frag(vaddr); } } |