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| author | Sonic Zhang <sonic.zhang@analog.com> | 2013-08-28 14:55:39 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-08-31 01:26:09 +0400 |
| commit | e2a240c7d3bcebf90936cc7c22c2729b3a4cec1f (patch) | |
| tree | 3f64f44e21ffb77d25c5680cc92ffe579ae9648b /Documentation/devicetree/bindings/net/stmmac.txt | |
| parent | 816c5b5b016acde51f0547cf1657d87cf22a6d47 (diff) | |
| download | linux-e2a240c7d3bcebf90936cc7c22c2729b3a4cec1f.tar.xz | |
driver:net:stmmac: Disable DMA store and forward mode if platform data force_thresh_dma_mode is set.
Some synopsys ip implementation doesn't support DMA store and forward mode,
such as BF60x. So, set force_thresh_dma_mode to use DMA thresholds only.
Update document and devicetree as well.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/devicetree/bindings/net/stmmac.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/net/stmmac.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt index 261c563b5f06..eba0e5e59ebe 100644 --- a/Documentation/devicetree/bindings/net/stmmac.txt +++ b/Documentation/devicetree/bindings/net/stmmac.txt @@ -22,6 +22,11 @@ Required properties: - snps,pbl Programmable Burst Length - snps,fixed-burst Program the DMA to use the fixed burst mode - snps,mixed-burst Program the DMA to use the mixed burst mode +- snps,force_thresh_dma_mode Force DMA to use the threshold mode for + both tx and rx +- snps,force_sf_dma_mode Force DMA to use the Store and Forward + mode for both tx and rx. This flag is + ignored if force_thresh_dma_mode is set. Optional properties: - mac-address: 6 bytes, mac address |