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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-24 17:09:02 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-24 17:09:02 -0400 |
| commit | 1592c4d62a89bbca895c568d65ce290dfbc36ecc (patch) | |
| tree | 6b979bc02ded2ea7e644c34e6939ffbbb7ee001d /drivers/net/phy/dp83867.c | |
| parent | 668f455dac57050e33a43ff5fe006f6cd947fc65 (diff) | |
| parent | f0445670bd81cae9f46399d98fef5cd1622d9776 (diff) | |
| download | linux-1592c4d62a89bbca895c568d65ce290dfbc36ecc.tar.bz2 | |
Merge branch 'nfs-rdma'
Diffstat (limited to 'drivers/net/phy/dp83867.c')
| -rw-r--r-- | drivers/net/phy/dp83867.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index 2afa61b51d41..91177a4a32ad 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -57,6 +57,7 @@ /* PHY CTRL bits */ #define DP83867_PHYCR_FIFO_DEPTH_SHIFT 14 +#define DP83867_PHYCR_FIFO_DEPTH_MASK (3 << 14) /* RGMIIDCTL bits */ #define DP83867_RGMII_TX_CLK_DELAY_SHIFT 4 @@ -133,8 +134,8 @@ static int dp83867_of_init(struct phy_device *phydev) static int dp83867_config_init(struct phy_device *phydev) { struct dp83867_private *dp83867; - int ret; - u16 val, delay; + int ret, val; + u16 delay; if (!phydev->priv) { dp83867 = devm_kzalloc(&phydev->mdio.dev, sizeof(*dp83867), @@ -151,8 +152,12 @@ static int dp83867_config_init(struct phy_device *phydev) } if (phy_interface_is_rgmii(phydev)) { - ret = phy_write(phydev, MII_DP83867_PHYCTRL, - (dp83867->fifo_depth << DP83867_PHYCR_FIFO_DEPTH_SHIFT)); + val = phy_read(phydev, MII_DP83867_PHYCTRL); + if (val < 0) + return val; + val &= ~DP83867_PHYCR_FIFO_DEPTH_MASK; + val |= (dp83867->fifo_depth << DP83867_PHYCR_FIFO_DEPTH_SHIFT); + ret = phy_write(phydev, MII_DP83867_PHYCTRL, val); if (ret) return ret; } |