diff options
author | Dave Airlie <airlied@redhat.com> | 2017-12-19 14:37:24 +0300 |
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committer | Dave Airlie <airlied@redhat.com> | 2017-12-19 14:37:24 +0300 |
commit | 6b7dcb536e3535444c39286333f10d06d2f44fb5 (patch) | |
tree | 6a4c1e30e5900626e506d46b100d21a2fcd59003 /drivers/net/phy/phy_device.c | |
parent | a942b3c2cddc4378482a427845d15c78eb50f4d4 (diff) | |
parent | 1291a0d5049dbc06baaaf66a9ff3f53db493b19b (diff) | |
download | linux-6b7dcb536e3535444c39286333f10d06d2f44fb5.tar.xz |
BackMerge tag 'v4.15-rc4' into drm-next
Linux 4.15-rc4
Daniel requested it to fix some messy conflicts.
Diffstat (limited to 'drivers/net/phy/phy_device.c')
-rw-r--r-- | drivers/net/phy/phy_device.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 67f25ac29025..b15b31ca2618 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -135,7 +135,9 @@ static int mdio_bus_phy_resume(struct device *dev) if (!mdio_bus_phy_may_suspend(phydev)) goto no_resume; + mutex_lock(&phydev->lock); ret = phy_resume(phydev); + mutex_unlock(&phydev->lock); if (ret < 0) return ret; @@ -1026,7 +1028,9 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, if (err) goto error; + mutex_lock(&phydev->lock); phy_resume(phydev); + mutex_unlock(&phydev->lock); phy_led_triggers_register(phydev); return err; @@ -1157,6 +1161,8 @@ int phy_resume(struct phy_device *phydev) struct phy_driver *phydrv = to_phy_driver(phydev->mdio.dev.driver); int ret = 0; + WARN_ON(!mutex_is_locked(&phydev->lock)); + if (phydev->drv && phydrv->resume) ret = phydrv->resume(phydev); @@ -1639,13 +1645,9 @@ int genphy_resume(struct phy_device *phydev) { int value; - mutex_lock(&phydev->lock); - value = phy_read(phydev, MII_BMCR); phy_write(phydev, MII_BMCR, value & ~BMCR_PDOWN); - mutex_unlock(&phydev->lock); - return 0; } EXPORT_SYMBOL(genphy_resume); |