diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/enetc/enetc_pf.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc_pf.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index 30b22b71630e..7ca17bb024eb 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -4,8 +4,10 @@ #include <linux/mdio.h> #include <linux/module.h> #include <linux/fsl/enetc_mdio.h> +#include <linux/of_platform.h> #include <linux/of_mdio.h> #include <linux/of_net.h> +#include "enetc_ierb.h" #include "enetc_pf.h" #define ENETC_DRV_NAME_STR "ENETC PF driver" @@ -518,7 +520,6 @@ static void enetc_configure_port_mac(struct enetc_hw *hw) ENETC_SET_MAXFRM(ENETC_RX_MAXFRM_SIZE)); enetc_port_wr(hw, ENETC_PTCMSDUR(0), ENETC_MAC_MAXFRM_SIZE); - enetc_port_wr(hw, ENETC_PTXMBAR, 2 * ENETC_MAC_MAXFRM_SIZE); enetc_port_wr(hw, ENETC_PM0_CMD_CFG, ENETC_PM0_CMD_PHY_TX_EN | ENETC_PM0_CMD_TXP | ENETC_PM0_PROMISC); @@ -1115,6 +1116,30 @@ static int enetc_init_port_rss_memory(struct enetc_si *si) return err; } +static int enetc_pf_register_with_ierb(struct pci_dev *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct platform_device *ierb_pdev; + struct device_node *ierb_node; + + /* Don't register with the IERB if the PF itself is disabled */ + if (!node || !of_device_is_available(node)) + return 0; + + ierb_node = of_find_compatible_node(NULL, NULL, + "fsl,ls1028a-enetc-ierb"); + if (!ierb_node || !of_device_is_available(ierb_node)) + return -ENODEV; + + ierb_pdev = of_find_device_by_node(ierb_node); + of_node_put(ierb_node); + + if (!ierb_pdev) + return -EPROBE_DEFER; + + return enetc_ierb_register_pf(ierb_pdev, pdev); +} + static int enetc_pf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -1125,6 +1150,14 @@ static int enetc_pf_probe(struct pci_dev *pdev, struct enetc_pf *pf; int err; + err = enetc_pf_register_with_ierb(pdev); + if (err == -EPROBE_DEFER) + return err; + if (err) + dev_warn(&pdev->dev, + "Could not register with IERB driver: %pe, please update the device tree\n", + ERR_PTR(err)); + err = enetc_pci_probe(pdev, KBUILD_MODNAME, sizeof(*pf)); if (err) { dev_err(&pdev->dev, "PCI probing failed\n"); |