linux.git/drivers/net/phy, branch v4.2-rc8

net: phy: fix semicolon.cocci warnings

2015-08-17T22:53:06+00:00

drivers/net/phy/smsc.c:127:3-4: Unneeded semicolon

 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

CC: Igor Plyatov 
Signed-off-by: Fengguang Wu 
Signed-off-by: David S. Miller

net: phy: workaround for buggy cable detection by LAN8700 after cable plugging

2015-08-17T21:27:23+00:00

* Due to HW bug, LAN8700 sometimes does not detect presence of energy in the
  Ethernet cable in Energy Detect Power-Down mode (e.g while EDPWRDOWN bit is
  set, the ENERGYON bit does not asserted sometimes). This is a common bug of
  LAN87xx family of PHY chips.
* The lan87xx_read_status() was improved to acquire ENERGYON bit. Its previous
  algorythm still not reliable on 100 % and sometimes skip cable plugging.

Signed-off-by: Igor Plyatov 
Signed-off-by: David S. Miller

net: phy: fix PHY_RUNNING in phy_state_machine

2015-08-17T19:18:09+00:00

Currently, if phy state is PHY_RUNNING, we always register a CHANGE
when phy works in polling or interrupt ignored, this will make the
adjust_link being called even the phy link did Not changed.

checking the phy link to make sure the link did changed before we
register a CHANGE, if link did not changed, we do nothing.

Signed-off-by: Shaohui Xie 
Signed-off-by: David S. Miller

net: phy: dp83867: Fix warning check for setting the internal delay

2015-07-22T05:29:31+00:00

Fix warning: logical ‘or’ of collectively exhaustive tests is always true

Change the internal delay check from an 'or' condition to an 'and'
condition.

Reported-by: David Binderman 
Signed-off-by: Dan Murphy 
Acked-by: Florian Fainelli 
Signed-off-by: David S. Miller

net/mdio: fix mdio_bus_match for c45 PHY

2015-07-21T07:16:37+00:00

We store c45 PHY's id information in c45_ids, so it should be used to
check the matching between PHY driver and PHY device for c45 PHY.

Signed-off-by: Shaohui Xie 
Signed-off-by: David S. Miller

net: phy: add dependency on HAS_IOMEM to MDIO_BUS_MUX_MMIOREG

2015-07-08T21:10:38+00:00

On UML builds, mdio-mux-mmioreg.c fails to compile:

drivers/net/phy/mdio-mux-mmioreg.c:50:3: error: implicit declaration of function ‘ioremap’ [-Werror=implicit-function-declaration]
drivers/net/phy/mdio-mux-mmioreg.c:63:3: error: implicit declaration of function ‘iounmap’ [-Werror=implicit-function-declaration]

This is due to CONFIG_OF now being user selectable. Add a dependency on
HAS_IOMEM to fix this.

Signed-off-by: Rob Herring 
Cc: Florian Fainelli 
Cc: David S. Miller 
Reviewed-by: Florian Fainelli 
Signed-off-by: David S. Miller

net: phy: mdio-bcm-unimac: workaround initial read failures for integrated PHYs

2015-06-29T03:28:20+00:00

All BCM7xxx integrated Gigabit PHYs have an issue in their MDIO
management controller which will make the initial read or write to them
to fail and return 0xffff. This is a real issue as the typical first
thing we do is read from MII_PHYSID1 and MII_PHYSID2 from get_phy_id()
to register a driver for these PHYs.

Coupled with the workaround in drivers/net/phy/bcm7xxx.c, this
workaround for the MDIO bus controller consists in scanning the list of
PHYs to do this initial read workaround for as part of the MDIO bus
reset routine which is invoked prior to mdiobus_scan().

Once we have a proper PHY driver/device registered, all workarounds are
located there (e.g: power management suspend/resume calls).

Signed-off-by: Florian Fainelli 
Signed-off-by: David S. Miller

net: phy: bcm7xxx: workaround MDIO management controller initial read

2015-06-29T03:28:20+00:00

The initial MDIO read or write towards the BCM7xxx integrated PHY may
fail, workaround this by inserting a dummy MII_BMSR read to force the
MDIO management controller to see at least one valid transaction and get
out of stuck state out of reset.

Signed-off-by: Florian Fainelli 
Signed-off-by: David S. Miller

net/phy: tune get_phy_c45_ids to support more c45 phy

2015-06-29T00:05:58+00:00

As some C45 10G PHYs(e.g. Cortina CS4315/CS4340 PHY) have
zero Devices In package, current driver can't get correct
devices_in_package value by non-zero Devices In package.
so let's probe more with zero Devices In package to support
more C45 PHYs.

Signed-off-by: Shengzhou Liu 
Reviewed-by: Florian Fainelli 
Signed-off-by: David S. Miller

net: phy: fix phy link up when limiting speed via device tree

2015-06-28T23:59:10+00:00

When limiting phy link speed using "max-speed" to 100mbps or less on a
giga bit phy, phy never completes auto negotiation and phy state
machine is held in PHY_AN. Fixing this issue by comparing the giga
bit advertise though phydev->supported doesn't have it but phy has
BMSR_ESTATEN set. So that auto negotiation is restarted as old and
new advertise are different and link comes up fine.

Signed-off-by: Mugunthan V N 
Reviewed-by: Florian Fainelli 
Signed-off-by: David S. Miller