net: stmmac: Honor DT parameter to force DMA store and forward mode

"snps,force_sf_dma_mode" is documented in stmmac device tree bindings,
but is never handled by the driver.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 704a5e0..634260e 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -56,6 +56,8 @@ static int stmmac_probe_config_dt(struct platform_device *pdev,
                                           sizeof(struct stmmac_mdio_bus_data),
                                           GFP_KERNEL);
 
+       plat->force_sf_dma_mode = of_property_read_bool(np, "snps,force_sf_dma_mode");
+
        /*
         * Currently only the properties needed on SPEAr600
         * are provided. All other properties should be added