On Fri, Apr 01, 2016 at 09:07:15AM +0200, Giuseppe Cavallaro wrote:
> This reverts commit 88f8b1bb41c6208f81b6a480244533ded7b59493.
> due to problems on GeekBox and Banana Pi M1 board when
> connected to a real transceiver instead of a switch via
> fixed-link.
This reversal is still needed in Linux 4.5.1 on Banana Pi.
Please consider including it in Linux 4.5.2.
Greetings
Marc
>
> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
> Cc: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxx>
> Cc: Andreas Färber <afaerber@xxxxxxx>
> Cc: Frank Schäfer <fschaefer.oss@xxxxxxxxxxxxxx>
> Cc: Dinh Nguyen <dinh.linux@xxxxxxxxx>
> Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> ---
> drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 11 ++++++++++-
> .../net/ethernet/stmicro/stmmac/stmmac_platform.c | 9 +--------
> include/linux/stmmac.h | 1 -
> 3 files changed, 11 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
> index ea76129..af09ced 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
> @@ -199,12 +199,21 @@ int stmmac_mdio_register(struct net_device *ndev)
> struct stmmac_priv *priv = netdev_priv(ndev);
> struct stmmac_mdio_bus_data *mdio_bus_data = priv->plat->mdio_bus_data;
> int addr, found;
> - struct device_node *mdio_node = priv->plat->mdio_node;
> + struct device_node *mdio_node = NULL;
> + struct device_node *child_node = NULL;
>
> if (!mdio_bus_data)
> return 0;
>
> if (IS_ENABLED(CONFIG_OF)) {
> + for_each_child_of_node(priv->device->of_node, child_node) {
> + if (of_device_is_compatible(child_node,
> + "snps,dwmac-mdio")) {
> + mdio_node = child_node;
> + break;
> + }
> + }
> +
> if (mdio_node) {
> netdev_dbg(ndev, "FOUND MDIO subnode\n");
> } else {
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> index dcbd2a1..9cf181f 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> @@ -146,7 +146,6 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
> struct device_node *np = pdev->dev.of_node;
> struct plat_stmmacenet_data *plat;
> struct stmmac_dma_cfg *dma_cfg;
> - struct device_node *child_node = NULL;
>
> plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
> if (!plat)
> @@ -177,19 +176,13 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
> plat->phy_node = of_node_get(np);
> }
>
> - for_each_child_of_node(np, child_node)
> - if (of_device_is_compatible(child_node, "snps,dwmac-mdio")) {
> - plat->mdio_node = child_node;
> - break;
> - }
> -
> /* "snps,phy-addr" is not a standard property. Mark it as deprecated
> * and warn of its use. Remove this when phy node support is added.
> */
> if (of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr) == 0)
> dev_warn(&pdev->dev, "snps,phy-addr property is deprecated\n");
>
> - if ((plat->phy_node && !of_phy_is_fixed_link(np)) || !plat->mdio_node)
> + if ((plat->phy_node && !of_phy_is_fixed_link(np)) || plat->phy_bus_name)
> plat->mdio_bus_data = NULL;
> else
> plat->mdio_bus_data =
> diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
> index 4bcf5a6..6e53fa8 100644
> --- a/include/linux/stmmac.h
> +++ b/include/linux/stmmac.h
> @@ -114,7 +114,6 @@ struct plat_stmmacenet_data {
> int interface;
> struct stmmac_mdio_bus_data *mdio_bus_data;
> struct device_node *phy_node;
> - struct device_node *mdio_node;
> struct stmmac_dma_cfg *dma_cfg;
> int clk_csr;
> int has_gmac;
> --
> 1.7.4.4
>
--
-----------------------------------------------------------------------------
Marc Haber | "I don't trust Computers. They | Mailadresse im Header
Leimen, Germany | lose things." Winona Ryder | Fon: *49 6224 1600402
Nordisch by Nature | How to make an American Quilt | Fax: *49 6224 1600421
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