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Date: Fri, 05 Jan 2018 16:07:10 +0000
From: Russell King <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>
Cc: netdev@...r.kernel.org
Subject: [PATCH net-next] net: phy: fix wrong masks to phy_modify()
The mask argument for phy_modify() in several locations was inverted.
Fixes: fea23fb591cc ("net: phy: convert read-modify-write to phy_modify()")
Reported-by: Heiner Kallweit <hkallweit1@...il.com>
Tested-by: Andrew Lunn <andrew@...n.ch>
Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
---
drivers/net/phy/at803x.c | 2 +-
drivers/net/phy/marvell.c | 19 +++++++++----------
drivers/net/phy/phy-core.c | 2 +-
drivers/net/phy/phy_device.c | 6 +++---
4 files changed, 14 insertions(+), 15 deletions(-)
diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index e86c1b8b1b51..a80cce11b252 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -231,7 +231,7 @@ static int at803x_suspend(struct phy_device *phydev)
static int at803x_resume(struct phy_device *phydev)
{
- return phy_modify(phydev, MII_BMCR, ~(BMCR_PDOWN | BMCR_ISOLATE), 0);
+ return phy_modify(phydev, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE, 0);
}
static int at803x_probe(struct phy_device *phydev)
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 8212c2fd7fe1..5d28063e9327 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -668,7 +668,7 @@ static int m88e3016_config_init(struct phy_device *phydev)
/* Enable Scrambler and Auto-Crossover */
ret = phy_modify(phydev, MII_88E3016_PHY_SPEC_CTRL,
- ~MII_88E3016_DISABLE_SCRAMBLER,
+ MII_88E3016_DISABLE_SCRAMBLER,
MII_88E3016_AUTO_MDIX_CROSSOVER);
if (ret < 0)
return ret;
@@ -684,9 +684,9 @@ static int m88e1111_config_init_hwcfg_mode(struct phy_device *phydev,
mode |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
return phy_modify(phydev, MII_M1111_PHY_EXT_SR,
- (u16)~(MII_M1111_HWCFG_MODE_MASK |
- MII_M1111_HWCFG_FIBER_COPPER_AUTO |
- MII_M1111_HWCFG_FIBER_COPPER_RES),
+ MII_M1111_HWCFG_MODE_MASK |
+ MII_M1111_HWCFG_FIBER_COPPER_AUTO |
+ MII_M1111_HWCFG_FIBER_COPPER_RES,
mode);
}
@@ -705,8 +705,7 @@ static int m88e1111_config_init_rgmii_delays(struct phy_device *phydev)
}
return phy_modify(phydev, MII_M1111_PHY_EXT_CR,
- (u16)~(MII_M1111_RGMII_RX_DELAY |
- MII_M1111_RGMII_TX_DELAY),
+ MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY,
delay);
}
@@ -833,7 +832,7 @@ static int m88e1510_config_init(struct phy_device *phydev)
/* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
- ~MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
+ MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII);
if (err < 0)
return err;
@@ -957,7 +956,7 @@ static int m88e1145_config_init_rgmii(struct phy_device *phydev)
if (err < 0)
return err;
- err = phy_modify(phydev, 0x1e, 0xf03f,
+ err = phy_modify(phydev, 0x1e, 0x0fc0,
2 << 9 | /* 36 ohm */
2 << 6); /* 39 ohm */
if (err < 0)
@@ -1379,7 +1378,7 @@ static int m88e1318_set_wol(struct phy_device *phydev,
/* Setup LED[2] as interrupt pin (active low) */
err = __phy_modify(phydev, MII_88E1318S_PHY_LED_TCR,
- (u16)~MII_88E1318S_PHY_LED_TCR_FORCE_INT,
+ MII_88E1318S_PHY_LED_TCR_FORCE_INT,
MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
if (err < 0)
@@ -1419,7 +1418,7 @@ static int m88e1318_set_wol(struct phy_device *phydev,
/* Clear WOL status and disable magic packet matching */
err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL,
- (u16)~MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE,
+ MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE,
MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
if (err < 0)
goto error;
diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c
index 44d09b192014..e75989ce8850 100644
--- a/drivers/net/phy/phy-core.c
+++ b/drivers/net/phy/phy-core.c
@@ -332,7 +332,7 @@ EXPORT_SYMBOL(phy_write_mmd);
* @set: bit mask of bits to set
*
* Unlocked helper function which allows a PHY register to be modified as
- * new register value = (old register value & mask) | set
+ * new register value = (old register value & ~mask) | set
*/
int __phy_modify(struct phy_device *phydev, u32 regnum, u16 mask, u16 set)
{
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index e5ddc5ae56d1..e1acb3052515 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1353,7 +1353,7 @@ EXPORT_SYMBOL(genphy_setup_forced);
int genphy_restart_aneg(struct phy_device *phydev)
{
/* Don't isolate the PHY if we're negotiating */
- return phy_modify(phydev, MII_BMCR, ~BMCR_ISOLATE,
+ return phy_modify(phydev, MII_BMCR, BMCR_ISOLATE,
BMCR_ANENABLE | BMCR_ANRESTART);
}
EXPORT_SYMBOL(genphy_restart_aneg);
@@ -1626,13 +1626,13 @@ EXPORT_SYMBOL(genphy_suspend);
int genphy_resume(struct phy_device *phydev)
{
- return phy_modify(phydev, MII_BMCR, ~BMCR_PDOWN, 0);
+ return phy_modify(phydev, MII_BMCR, BMCR_PDOWN, 0);
}
EXPORT_SYMBOL(genphy_resume);
int genphy_loopback(struct phy_device *phydev, bool enable)
{
- return phy_modify(phydev, MII_BMCR, ~BMCR_LOOPBACK,
+ return phy_modify(phydev, MII_BMCR, BMCR_LOOPBACK,
enable ? BMCR_LOOPBACK : 0);
}
EXPORT_SYMBOL(genphy_loopback);
--
2.7.4
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