linux-stable.git/drivers/net/phy, branch v5.5.7

net: phy: fixed_phy: fix use-after-free when checking link GPIO

2020-02-24T07:38:22+00:00

[ Upstream commit d266f19f3ae7fbcaf92229639b78d2110ae44f33 ]

If we fail to locate GPIO for any reason other than deferral or
not-found-GPIO, we try to print device tree node info, however if might
be freed already as we called of_node_put() on it.

Acked-by: David S. Miller 
Signed-off-by: Dmitry Torokhov 
Signed-off-by: David S. Miller 
Signed-off-by: Sasha Levin

net: phy: realtek: add logging for the RGMII TX delay configuration

2020-02-24T07:38:20+00:00

[ Upstream commit 3aec743d69822d22d4a5b60deb9518ed8be6fa67 ]

RGMII requires a delay of 2ns between the data and the clock signal.
There are at least three ways this can happen. One possibility is by
having the PHY generate this delay.
This is a common source for problems (for example with slow TX speeds or
packet loss when sending data). The TX delay configuration of the
RTL8211F PHY can be set either by pin-strappping the RXD1 pin (HIGH
means enabled, LOW means disabled) or through configuring a paged
register. The setting from the RXD1 pin is also reflected in the
register.

Add debug logging to the TX delay configuration on RTL8211F so it's
easier to spot these issues (for example if the TX delay is enabled for
both, the RTL8211F PHY and the MAC).
This is especially helpful because there is no public datasheet for the
RTL8211F PHY available with all the RX/TX delay specifics.

Signed-off-by: Martin Blumenstingl 
Reviewed-by: Florian Fainelli 
Signed-off-by: David S. Miller 
Signed-off-by: Sasha Levin

net: phy: at803x: disable vddio regulator

2020-02-11T12:36:37+00:00

[ Upstream commit 2318ca8aef3877da2b16b92edce47a497370a86e ]

The probe() might enable a VDDIO regulator, which needs to be disabled
again before calling regulator_put(). Add a remove() function.

Fixes: 2f664823a470 ("net: phy: at803x: add device tree binding")
Signed-off-by: Michael Walle 
Reviewed-by: Florian Fainelli 
Signed-off-by: Jakub Kicinski 
Signed-off-by: Greg Kroah-Hartman

net: phy: dp83867: Set FORCE_LINK_GOOD to default after reset

2020-01-17T10:36:18+00:00

According to the Datasheet this bit should be 0 (Normal operation) in
default. With the FORCE_LINK_GOOD bit set, it is not possible to get a
link. This patch sets FORCE_LINK_GOOD to the default value after
resetting the phy.

Signed-off-by: Michael Grzeschik 
Reviewed-by: Andrew Lunn 
Signed-off-by: David S. Miller

net: phy: DP83822: Update Kconfig with DP83825I support

2020-01-11T07:32:54+00:00

Update the Kconfig description to indicate support for the DP83825I
device as well.

Fixes: 32b12dc8fde1  ("net: phy: Add DP83825I to the DP83822 driver")
Reviewed-by: Andrew Lunn 
Signed-off-by: Dan Murphy 
Signed-off-by: David S. Miller

net: phy: DP83TC811: Fix typo in Kconfig

2020-01-11T07:32:54+00:00

Fix typo in the Kconfig for the DP83TC811 as it indicates support for
the DP83TC822 which is incorrect.

Fixes: 6d749428788b {"net: phy: DP83TC811: Introduce support for the DP83TC811 phy")
Reviewed-by: Andrew Lunn 
Signed-off-by: Dan Murphy 
Signed-off-by: David S. Miller

net: phylink: fix failure to register on x86 systems

2020-01-03T20:37:55+00:00

The kernel test robot reports a boot failure with qemu in 5.5-rc,
referencing commit 2203cbf2c8b5 ("net: sfp: move fwnode parsing into
sfp-bus layer"). This is caused by phylink_create() being passed a
NULL fwnode, causing fwnode_property_get_reference_args() to return
-EINVAL.

Don't attempt to attach to a SFP bus if we have no fwnode, which
avoids this issue.

Reported-by: kernel test robot 
Fixes: 2203cbf2c8b5 ("net: sfp: move fwnode parsing into sfp-bus layer")
Signed-off-by: Russell King 
Reviewed-by: Florian Fainelli 
Reviewed-by: Andrew Lunn 
Signed-off-by: David S. Miller

net: phy: aquantia: add suspend / resume ops for AQR105

2019-12-26T23:14:53+00:00

The suspend/resume code for AQR107 works on AQR105 too.
This patch fixes issues with the partner not seeing the link down
when the interface using AQR105 is brought down.

Fixes: bee8259dd31f ("net: phy: add driver for aquantia phy")
Signed-off-by: Madalin Bucur 
Signed-off-by: David S. Miller

net: phy: ensure that phy IDs are correctly typed

2019-12-21T05:48:06+00:00

PHY IDs are 32-bit unsigned quantities. Ensure that they are always
treated as such, and not passed around as "int"s.

Fixes: 13d0ab6750b2 ("net: phy: check return code when requesting PHY driver module")
Signed-off-by: Russell King 
Reviewed-by: Florian Fainelli 
Reviewed-by: Andrew Lunn 
Signed-off-by: David S. Miller

net: phylink: fix interface passed to mac_link_up

2019-12-15T05:47:23+00:00

A mismerge between the following two commits:

c678726305b9 ("net: phylink: ensure consistent phy interface mode")
27755ff88c0e ("net: phylink: Add phylink_mac_link_{up, down} wrapper functions")

resulted in the wrong interface being passed to the mac_link_up()
function. Fix this up.

Fixes: b4b12b0d2f02 ("Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net")
Signed-off-by: Russell King 
Signed-off-by: Jakub Kicinski