Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e7877f52 authored by Vince Bridgers's avatar Vince Bridgers Committed by David S. Miller
Browse files

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: default avatarVince Bridgers <vbridger@opensource.altera.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2453beb6

drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c

+4 −0
Original line number Diff line number Diff line
@@ -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");

include/linux/stmmac.h

+2 −0
Original line number Diff line number Diff line
@@ -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);