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authorRaju Lakkaraju <Raju.Lakkaraju@microchip.com>2022-10-26 11:29:17 +0530
committerDavid S. Miller <davem@davemloft.net>2022-10-28 10:35:51 +0100
commit7a495dde27ebca4f161c116d6a0f685138843d5d (patch)
treefc0c0ac53e42c2e3f5e6611f2fac9118e42b894f
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next (diff)
downloadwireguard-linux-7a495dde27ebca4f161c116d6a0f685138843d5d.tar.xz
wireguard-linux-7a495dde27ebca4f161c116d6a0f685138843d5d.zip
net: phy: mxl-gpy: Change gpy_update_interface() function return type
gpy_update_interface() is called from gpy_read_status() which does return error codes. gpy_read_status() would benefit from returning -EINVAL, etc. Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/phy/mxl-gpy.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/net/phy/mxl-gpy.c b/drivers/net/phy/mxl-gpy.c
index 24bae27eedef..1383af3c2677 100644
--- a/drivers/net/phy/mxl-gpy.c
+++ b/drivers/net/phy/mxl-gpy.c
@@ -370,14 +370,14 @@ static int gpy_config_aneg(struct phy_device *phydev)
VSPEC1_SGMII_CTRL_ANRS, VSPEC1_SGMII_CTRL_ANRS);
}
-static void gpy_update_interface(struct phy_device *phydev)
+static int gpy_update_interface(struct phy_device *phydev)
{
int ret;
/* Interface mode is fixed for USXGMII and integrated PHY */
if (phydev->interface == PHY_INTERFACE_MODE_USXGMII ||
phydev->interface == PHY_INTERFACE_MODE_INTERNAL)
- return;
+ return -EINVAL;
/* Automatically switch SERDES interface between SGMII and 2500-BaseX
* according to speed. Disable ANEG in 2500-BaseX mode.
@@ -387,10 +387,12 @@ static void gpy_update_interface(struct phy_device *phydev)
phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
VSPEC1_SGMII_CTRL_ANEN, 0);
- if (ret < 0)
+ if (ret < 0) {
phydev_err(phydev,
"Error: Disable of SGMII ANEG failed: %d\n",
ret);
+ return ret;
+ }
break;
case SPEED_1000:
case SPEED_100:
@@ -404,15 +406,22 @@ static void gpy_update_interface(struct phy_device *phydev)
ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
VSPEC1_SGMII_ANEN_ANRS,
VSPEC1_SGMII_ANEN_ANRS);
- if (ret < 0)
+ if (ret < 0) {
phydev_err(phydev,
"Error: Enable of SGMII ANEG failed: %d\n",
ret);
+ return ret;
+ }
break;
}
- if (phydev->speed == SPEED_2500 || phydev->speed == SPEED_1000)
- genphy_read_master_slave(phydev);
+ if (phydev->speed == SPEED_2500 || phydev->speed == SPEED_1000) {
+ ret = genphy_read_master_slave(phydev);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
}
static int gpy_read_status(struct phy_device *phydev)
@@ -463,8 +472,11 @@ static int gpy_read_status(struct phy_device *phydev)
break;
}
- if (phydev->link)
- gpy_update_interface(phydev);
+ if (phydev->link) {
+ ret = gpy_update_interface(phydev);
+ if (ret < 0)
+ return ret;
+ }
return 0;
}