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authorHeiner Kallweit <hkallweit1@gmail.com>2019-02-10 21:59:57 +0300
committerDavid S. Miller <davem@davemloft.net>2019-02-10 23:53:18 +0300
commit4f9744ed3c285fd2d2cf7f9a43c00c03604a2515 (patch)
tree52c518031f4446366454a252c94bdabee83a4f44 /drivers/net/phy/phy_device.c
parentb06d8e5a5dcc21063a0a84658b7106f40aa400e4 (diff)
downloadlinux-4f9744ed3c285fd2d2cf7f9a43c00c03604a2515.tar.xz
net: phy: use phy_modify_changed in genphy_config_advert
Use phy_modify_changed() to simplify the code. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/phy_device.c')
-rw-r--r--drivers/net/phy/phy_device.c43
1 files changed, 15 insertions, 28 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 8573d17ece0f..3d14e48aebc5 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1516,7 +1516,7 @@ EXPORT_SYMBOL(phy_reset_after_clk_enable);
static int genphy_config_advert(struct phy_device *phydev)
{
u32 advertise;
- int oldadv, adv, bmsr;
+ int bmsr, adv;
int err, changed = 0;
/* Only allow advertising what this PHY supports */
@@ -1529,22 +1529,14 @@ static int genphy_config_advert(struct phy_device *phydev)
phydev->advertising);
/* Setup standard advertisement */
- adv = phy_read(phydev, MII_ADVERTISE);
- if (adv < 0)
- return adv;
-
- oldadv = adv;
- adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP |
- ADVERTISE_PAUSE_ASYM);
- adv |= ethtool_adv_to_mii_adv_t(advertise);
-
- if (adv != oldadv) {
- err = phy_write(phydev, MII_ADVERTISE, adv);
-
- if (err < 0)
- return err;
+ err = phy_modify_changed(phydev, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_100BASE4 |
+ ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM,
+ ethtool_adv_to_mii_adv_t(advertise));
+ if (err < 0)
+ return err;
+ if (err > 0)
changed = 1;
- }
bmsr = phy_read(phydev, MII_BMSR);
if (bmsr < 0)
@@ -1558,25 +1550,20 @@ static int genphy_config_advert(struct phy_device *phydev)
return changed;
/* Configure gigabit if it's supported */
- adv = phy_read(phydev, MII_CTRL1000);
- if (adv < 0)
- return adv;
-
- oldadv = adv;
- adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
-
+ adv = 0;
if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
phydev->supported) ||
linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
phydev->supported))
- adv |= ethtool_adv_to_mii_ctrl1000_t(advertise);
+ adv = ethtool_adv_to_mii_ctrl1000_t(advertise);
- if (adv != oldadv)
- changed = 1;
-
- err = phy_write(phydev, MII_CTRL1000, adv);
+ err = phy_modify_changed(phydev, MII_CTRL1000,
+ ADVERTISE_1000FULL | ADVERTISE_1000HALF,
+ adv);
if (err < 0)
return err;
+ if (err > 0)
+ changed = 1;
return changed;
}