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| author | Thierry Reding | 2017-03-10 17:34:58 +0100 |
|---|---|---|
| committer | David S. Miller | 2017-03-13 07:35:20 +0100 |
| commit | 11fbf811c8e8a11529214a494eab25e21ca86739 (patch) | |
| tree | 003e80bff73a58ebd9ff3f144a3a1f068842c49b /drivers/net/ethernet/stmicro/stmmac/common.h | |
| parent | net: stmmac: Check for DMA mapping errors (diff) | |
| download | kernel-qcow2-linux-11fbf811c8e8a11529214a494eab25e21ca86739.tar.gz kernel-qcow2-linux-11fbf811c8e8a11529214a494eab25e21ca86739.tar.xz kernel-qcow2-linux-11fbf811c8e8a11529214a494eab25e21ca86739.zip | |
net: stmmac: Parse FIFO sizes from feature registers
New version of this core encode the FIFO sizes in one of the feature
registers. Use these sizes as default, but still allow device tree to
override them for backwards compatibility.
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/common.h')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/common.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 04d9245b7149..3ca36744007b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -324,6 +324,9 @@ struct dma_features { unsigned int number_tx_queues; /* Alternate (enhanced) DESC mode */ unsigned int enh_desc; + /* TX and RX FIFO sizes */ + unsigned int tx_fifo_size; + unsigned int rx_fifo_size; }; /* GMAC TX FIFO is 8K, Rx FIFO is 16K */ |