diff options
| author | David S. Miller <davem@davemloft.net> | 2020-03-26 02:58:11 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-26 02:58:11 +0100 |
| commit | 9fb16955fb661945ddffce4504dcffbe55cd518a (patch) | |
| tree | e0811476a96a9411686e24f15a48d63cc6d02e49 /drivers/net/phy/dp83867.c | |
| parent | cxgb4: Add support to catch bits set in INT_CAUSE5 (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| download | linux-9fb16955fb661945ddffce4504dcffbe55cd518a.tar.xz linux-9fb16955fb661945ddffce4504dcffbe55cd518a.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Overlapping header include additions in macsec.c
A bug fix in 'net' overlapping with the removal of 'version'
string in ena_netdev.c
Overlapping test additions in selftests Makefile
Overlapping PCI ID table adjustments in iwlwifi driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/dp83867.c')
| -rw-r--r-- | drivers/net/phy/dp83867.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index 13f7f2d5a2ea..b55e3c0403ed 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -30,7 +30,8 @@ #define DP83867_CTRL 0x1f /* Extended Registers */ -#define DP83867_CFG4 0x0031 +#define DP83867_FLD_THR_CFG 0x002e +#define DP83867_CFG4 0x0031 #define DP83867_CFG4_SGMII_ANEG_MASK (BIT(5) | BIT(6)) #define DP83867_CFG4_SGMII_ANEG_TIMER_11MS (3 << 5) #define DP83867_CFG4_SGMII_ANEG_TIMER_800US (2 << 5) @@ -93,6 +94,7 @@ #define DP83867_STRAP_STS2_CLK_SKEW_RX_MASK GENMASK(2, 0) #define DP83867_STRAP_STS2_CLK_SKEW_RX_SHIFT 0 #define DP83867_STRAP_STS2_CLK_SKEW_NONE BIT(2) +#define DP83867_STRAP_STS2_STRAP_FLD BIT(10) /* PHY CTRL bits */ #define DP83867_PHYCR_TX_FIFO_DEPTH_SHIFT 14 @@ -145,6 +147,9 @@ /* CFG4 bits */ #define DP83867_CFG4_PORT_MIRROR_EN BIT(0) +/* FLD_THR_CFG */ +#define DP83867_FLD_THR_CFG_ENERGY_LOST_THR_MASK 0x7 + enum { DP83867_PORT_MIRROING_KEEP, DP83867_PORT_MIRROING_EN, @@ -622,6 +627,20 @@ static int dp83867_config_init(struct phy_device *phydev) phy_clear_bits_mmd(phydev, DP83867_DEVADDR, DP83867_CFG4, BIT(7)); + bs = phy_read_mmd(phydev, DP83867_DEVADDR, DP83867_STRAP_STS2); + if (bs & DP83867_STRAP_STS2_STRAP_FLD) { + /* When using strap to enable FLD, the ENERGY_LOST_FLD_THR will + * be set to 0x2. This may causes the PHY link to be unstable - + * the default value 0x1 need to be restored. + */ + ret = phy_modify_mmd(phydev, DP83867_DEVADDR, + DP83867_FLD_THR_CFG, + DP83867_FLD_THR_CFG_ENERGY_LOST_THR_MASK, + 0x1); + if (ret) + return ret; + } + if (phy_interface_is_rgmii(phydev) || phydev->interface == PHY_INTERFACE_MODE_SGMII) { val = phy_read(phydev, MII_DP83867_PHYCTRL); |