hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

net: phy: dp83869: Fix return paths to return proper values 

Fix the return paths for all I/O operations to ensure
that the I/O completed successfully.  Then pass the return
to the caller for further processing

Fixes: 01db923e83 ("net: phy: dp83869: Add TI dp83869 phy")
Reported-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Murphy 2019-11-26 08:38:56 -06:00 committed by David S. Miller
parent 7eb9d7675c
commit 786c4a5372
1 changed files with 26 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/net/phy/dp83869.c
View File

@ -151,13 +151,13 @@ static int dp83869_config_port_mirroring(struct phy_device *phydev)
struct dp83869_private *dp83869 = phydev->priv;
if (dp83869->port_mirroring == DP83869_PORT_MIRRORING_EN)
phy_set_bits_mmd(phydev, DP83869_DEVADDR, DP83869_GEN_CFG3,
DP83869_CFG3_PORT_MIRROR_EN);
return phy_set_bits_mmd(phydev, DP83869_DEVADDR,
DP83869_GEN_CFG3,
DP83869_CFG3_PORT_MIRROR_EN);
else
phy_clear_bits_mmd(phydev, DP83869_DEVADDR, DP83869_GEN_CFG3,
DP83869_CFG3_PORT_MIRROR_EN);
return 0;
return phy_clear_bits_mmd(phydev, DP83869_DEVADDR,
DP83869_GEN_CFG3,
DP83869_CFG3_PORT_MIRROR_EN);
}
#ifdef CONFIG_OF_MDIO
@ -204,7 +204,7 @@ static int dp83869_of_init(struct phy_device *phydev)
&dp83869->tx_fifo_depth))
dp83869->tx_fifo_depth = DP83869_PHYCR_FIFO_DEPTH_4_B_NIB;
return 0;
return ret;
}
#else
static int dp83869_of_init(struct phy_device *phydev)
@ -216,7 +216,7 @@ static int dp83869_of_init(struct phy_device *phydev)
static int dp83869_configure_rgmii(struct phy_device *phydev,
struct dp83869_private *dp83869)
{
int ret, val;
int ret = 0, val;
if (phy_interface_is_rgmii(phydev)) {
val = phy_read(phydev, MII_DP83869_PHYCTRL);
@ -233,13 +233,13 @@ static int dp83869_configure_rgmii(struct phy_device *phydev,
}
if (dp83869->io_impedance >= 0)
phy_modify_mmd(phydev, DP83869_DEVADDR,
DP83869_IO_MUX_CFG,
DP83869_IO_MUX_CFG_IO_IMPEDANCE_CTRL,
dp83869->io_impedance &
DP83869_IO_MUX_CFG_IO_IMPEDANCE_CTRL);
ret = phy_modify_mmd(phydev, DP83869_DEVADDR,
DP83869_IO_MUX_CFG,
DP83869_IO_MUX_CFG_IO_IMPEDANCE_CTRL,
dp83869->io_impedance &
DP83869_IO_MUX_CFG_IO_IMPEDANCE_CTRL);
return 0;
return ret;
}
static int dp83869_configure_mode(struct phy_device *phydev,
@ -284,9 +284,11 @@ static int dp83869_configure_mode(struct phy_device *phydev,
return ret;
break;
case DP83869_RGMII_SGMII_BRIDGE:
phy_modify_mmd(phydev, DP83869_DEVADDR, DP83869_OP_MODE,
DP83869_SGMII_RGMII_BRIDGE,
DP83869_SGMII_RGMII_BRIDGE);
ret = phy_modify_mmd(phydev, DP83869_DEVADDR, DP83869_OP_MODE,
DP83869_SGMII_RGMII_BRIDGE,
DP83869_SGMII_RGMII_BRIDGE);
if (ret)
return ret;
ret = phy_write_mmd(phydev, DP83869_DEVADDR,
DP83869_FX_CTRL, DP83869_FX_CTRL_DEFAULT);
@ -334,7 +336,7 @@ static int dp83869_configure_mode(struct phy_device *phydev,
return -EINVAL;
};
return 0;
return ret;
}
static int dp83869_config_init(struct phy_device *phydev)
@ -358,12 +360,13 @@ static int dp83869_config_init(struct phy_device *phydev)
/* Clock output selection if muxing property is set */
if (dp83869->clk_output_sel != DP83869_CLK_O_SEL_REF_CLK)
phy_modify_mmd(phydev, DP83869_DEVADDR, DP83869_IO_MUX_CFG,
DP83869_IO_MUX_CFG_CLK_O_SEL_MASK,
dp83869->clk_output_sel <<
DP83869_IO_MUX_CFG_CLK_O_SEL_SHIFT);
ret = phy_modify_mmd(phydev,
DP83869_DEVADDR, DP83869_IO_MUX_CFG,
DP83869_IO_MUX_CFG_CLK_O_SEL_MASK,
dp83869->clk_output_sel <<
DP83869_IO_MUX_CFG_CLK_O_SEL_SHIFT);
return 0;
return ret;
}
static int dp83869_probe(struct phy_device *phydev)