diff options
Diffstat (limited to 'drivers/net/phy/marvell10g.c')
| -rw-r--r-- | drivers/net/phy/marvell10g.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c index 21b3f36e023a..4e1279f2460a 100644 --- a/drivers/net/phy/marvell10g.c +++ b/drivers/net/phy/marvell10g.c @@ -19,6 +19,9 @@ #include <linux/marvell_phy.h> enum { + MV_PMA_BOOT = 0xc050, + MV_PMA_BOOT_FATAL = BIT(0), + MV_PCS_BASE_T = 0x0000, MV_PCS_BASE_R = 0x1000, MV_PCS_1000BASEX = 0x2000, @@ -59,11 +62,22 @@ static int mv3310_modify(struct phy_device *phydev, int devad, u16 reg, static int mv3310_probe(struct phy_device *phydev) { u32 mmd_mask = MDIO_DEVS_PMAPMD | MDIO_DEVS_AN; + int ret; if (!phydev->is_c45 || (phydev->c45_ids.devices_in_package & mmd_mask) != mmd_mask) return -ENODEV; + ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_BOOT); + if (ret < 0) + return ret; + + if (ret & MV_PMA_BOOT_FATAL) { + dev_warn(&phydev->mdio.dev, + "PHY failed to boot firmware, status=%04x\n", ret); + return -ENODEV; + } + return 0; } |