Às 3:12 PM de 3/21/2017, Thierry Reding escreveu: > From: Thierry Reding <tred...@nvidia.com> > > Recent changes to support multiple queues in the device tree bindings > resulted in the number of RX and TX queues to be initialized to zero for > device trees not adhering to the new bindings. > > Restore backwards-compatibility with those device trees by falling back > to a single RX and TX queues each. > > Signed-off-by: Thierry Reding <tred...@nvidia.com> > --- > drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c > b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c > index 37f550ae76a5..74b0aff79b25 100644 > --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c > +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c > @@ -143,6 +143,13 @@ static void stmmac_mtl_setup(struct platform_device > *pdev, > struct device_node *tx_node; > u8 queue = 0; > > + /* For backwards-compatibility with device trees that don't have any > + * snps,mtl-rx-config or snps,mtl-tx-config properties, we fall back > + * to one RX and TX queues each. > + */ > + plat->rx_queues_to_use = 1; > + plat->tx_queues_to_use = 1; > + > rx_node = of_parse_phandle(pdev->dev.of_node, "snps,mtl-rx-config", 0); > if (!rx_node) > return; >
Acked-By: Joao Pinto <jpi...@synopsys.com>
