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| author | Vince Bridgers | 2015-04-15 18:17:40 +0200 |
|---|---|---|
| committer | David S. Miller | 2015-04-16 19:58:42 +0200 |
| commit | e7877f52fd4a8d7012f9b0faecc047a50c132a79 (patch) | |
| tree | d6d8539ea9959708782e568ad89429258f71656e | |
| parent | stmmac: Add defines and documentation for enabling flow control (diff) | |
| download | kernel-qcow2-linux-e7877f52fd4a8d7012f9b0faecc047a50c132a79.tar.gz kernel-qcow2-linux-e7877f52fd4a8d7012f9b0faecc047a50c132a79.tar.xz kernel-qcow2-linux-e7877f52fd4a8d7012f9b0faecc047a50c132a79.zip | |
stmmac: Read tx-fifo-depth and rx-fifo-depth from the devicetree
Read the tx-fifo-depth and rx-fifo-depth from the devicetree. The Synopsys
stmmac controller fifos are configurable per product instance, and the fifo
sizes are needed to configure certain features correctly such as flow control.
Signed-off-by: Vince Bridgers <vbridger@opensource.altera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 4 | ||||
| -rw-r--r-- | include/linux/stmmac.h | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index f9b42f11950f..705bbdf93940 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -181,6 +181,10 @@ static int stmmac_probe_config_dt(struct platform_device *pdev, sizeof(struct stmmac_mdio_bus_data), GFP_KERNEL); + of_property_read_u32(np, "tx-fifo-depth", &plat->tx_fifo_size); + + of_property_read_u32(np, "rx-fifo-depth", &plat->rx_fifo_size); + plat->force_sf_dma_mode = of_property_read_bool(np, "snps,force_sf_dma_mode"); diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index cd63851b57f2..7f484a239f53 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -114,6 +114,8 @@ struct plat_stmmacenet_data { int maxmtu; int multicast_filter_bins; int unicast_filter_entries; + int tx_fifo_size; + int rx_fifo_size; void (*fix_mac_speed)(void *priv, unsigned int speed); void (*bus_setup)(void __iomem *ioaddr); void *(*setup)(struct platform_device *pdev); |