leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

net: phy: at803x: Disable phy delay for RGMII mode

Browse Source 
For RGMII mode, phy delay should be disabled. Add this case along
with disable delay routines.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vinod Koul 2019-01-21 14:43:17 +05:30 committed by David S. Miller
parent 83c177aea4
commit cd28d1d6e5
1 changed files with 12 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/net/phy/at803x.c
View File

@ -110,16 +110,16 @@ static int at803x_debug_reg_mask(struct phy_device *phydev, u16 reg,
return phy_write(phydev, AT803X_DEBUG_DATA, val);
}
static inline int at803x_enable_rx_delay(struct phy_device *phydev)
static inline int at803x_disable_rx_delay(struct phy_device *phydev)
{
return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_0, 0,
AT803X_DEBUG_RX_CLK_DLY_EN);
return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_0,
AT803X_DEBUG_RX_CLK_DLY_EN, 0);
}
static inline int at803x_enable_tx_delay(struct phy_device *phydev)
static inline int at803x_disable_tx_delay(struct phy_device *phydev)
{
return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_5, 0,
AT803X_DEBUG_TX_CLK_DLY_EN);
return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_5,
AT803X_DEBUG_TX_CLK_DLY_EN, 0);
}
/* save relevant PHY registers to private copy */
@ -256,15 +256,17 @@ static int at803x_config_init(struct phy_device *phydev)
return ret;
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID ||
phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
ret = at803x_enable_rx_delay(phydev);
phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
phydev->interface == PHY_INTERFACE_MODE_RGMII) {
ret = at803x_disable_rx_delay(phydev);
if (ret < 0)
return ret;
}
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID ||
phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
ret = at803x_enable_tx_delay(phydev);
phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
phydev->interface == PHY_INTERFACE_MODE_RGMII) {
ret = at803x_disable_tx_delay(phydev);
if (ret < 0)
return ret;
}