diff options
| author | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-03-11 06:55:49 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-03-11 06:55:49 -0300 |
| commit | c897df0e2dbc81bcc09c11425658d69830825364 (patch) | |
| tree | 04c268e4951f2b75acb6873307673e45d05a635e /drivers/net/phy/phy_device.c | |
| parent | 1e9c4d49020996a645a535cbb8f1ff78b9b120f3 (diff) | |
| parent | 0414855fdc4a40da05221fc6062cccbc0c30f169 (diff) | |
Merge tag 'v3.14-rc5' into patchwork
Linux 3.14-rc5
* tag 'v3.14-rc5': (1117 commits)
Linux 3.14-rc5
drm/vmwgfx: avoid null pointer dereference at failure paths
drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
drm/vmwgfx: Remove some unused surface formats
MAINTAINERS: add maintainer entry for Armada DRM driver
arm64: Fix !CONFIG_SMP kernel build
arm64: mm: Add double logical invert to pte accessors
dm cache: fix truncation bug when mapping I/O to >2TB fast device
perf tools: Fix strict alias issue for find_first_bit
powerpc/powernv: Fix indirect XSCOM unmangling
powerpc/powernv: Fix opal_xscom_{read,write} prototype
powerpc/powernv: Refactor PHB diag-data dump
powerpc/powernv: Dump PHB diag-data immediately
powerpc: Increase stack redzone for 64-bit userspace to 512 bytes
powerpc/ftrace: bugfix for test_24bit_addr
powerpc/crashdump : Fix page frame number check in copy_oldmem_page
powerpc/le: Ensure that the 'stop-self' RTAS token is handled correctly
kvm, vmx: Really fix lazy FPU on nested guest
perf tools: fix BFD detection on opensuse
drm/radeon: enable speaker allocation setup on dce3.2
...
Diffstat (limited to 'drivers/net/phy/phy_device.c')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 4b03e63639b7..82514e72b3d8 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -719,7 +719,7 @@ int phy_resume(struct phy_device *phydev) static int genphy_config_advert(struct phy_device *phydev) { u32 advertise; - int oldadv, adv; + int oldadv, adv, bmsr; int err, changed = 0; /* Only allow advertising what this PHY supports */ @@ -744,26 +744,36 @@ static int genphy_config_advert(struct phy_device *phydev) changed = 1; } + bmsr = phy_read(phydev, MII_BMSR); + if (bmsr < 0) + return bmsr; + + /* Per 802.3-2008, Section 22.2.4.2.16 Extended status all + * 1000Mbits/sec capable PHYs shall have the BMSR_ESTATEN bit set to a + * logical 1. + */ + if (!(bmsr & BMSR_ESTATEN)) + 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); + if (phydev->supported & (SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full)) { - adv = phy_read(phydev, MII_CTRL1000); - if (adv < 0) - return adv; - - oldadv = adv; - adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); adv |= ethtool_adv_to_mii_ctrl1000_t(advertise); - - if (adv != oldadv) { - err = phy_write(phydev, MII_CTRL1000, adv); - - if (err < 0) - return err; + if (adv != oldadv) changed = 1; - } } + err = phy_write(phydev, MII_CTRL1000, adv); + if (err < 0) + return err; + return changed; } |