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Use the generic cable tester functions from bcm-phy-lib to add cable
tester support.
100m cable, A/B/C/D open:
Cable test started for device eth0.
Cable test completed for device eth0.
Pair: Pair A, result: Open Circuit
Pair: Pair B, result: Open Circuit
Pair: Pair C, result: Open Circuit
Pair: Pair D, result: Open Circuit
Pair: Pair A, fault length: 106.60m
Pair: Pair B, fault length: 103.32m
Pair: Pair C, fault length: 104.96m
Pair: Pair D, fault length: 106.60m
1m cable, A/B connected, pair C shorted, D open:
Cable test started for device eth0.
Cable test completed for device eth0.
Pair: Pair A, result: OK
Pair: Pair B, result: OK
Pair: Pair C, result: Short within Pair
Pair: Pair D, result: Open Circuit
Pair: Pair C, fault length: 0.82m
Pair: Pair D, fault length: 1.64m
1m cable, A/B connected, pair C shorted with D:
Cable test started for device eth0.
Cable test completed for device eth0.
Pair: Pair A, result: OK
Pair: Pair B, result: OK
Pair: Pair C, result: Short to another pair
Pair: Pair D, result: Short to another pair
Pair: Pair C, fault length: 1.64m
Pair: Pair D, fault length: 1.64m
The granularity of the length measurement seems to be 82cm.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the new phy_package_shared common storage to ease the package
initialization and to access the global registers.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This PHY has two PHY IDs depending on its mode. Adjust the mask so that
it includes both IDs.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The lower three bits of the phy_id specifies the chip stepping. The
workaround is specifically for the B0 stepping. Apply it only on these
chips.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Broadcom defines the bits for this PHY as follows:
{ oui[24:3], model[6:0], revision[2:0] }
Thus we have to mask the lower three bits only.
Fixes: 6937602ed3f9 ("net: phy: add Broadcom BCM54140 support")
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set the .soft_reset() op to be sure there will be a reset even if there
is no hardware reset line registered.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the following warning:
drivers/net/phy/bcm54140.c:663:5: warning:
symbol 'bcm54140_did_interrupt' was not declared. Should it be static?
drivers/net/phy/bcm54140.c:672:5: warning:
symbol 'bcm54140_ack_intr' was not declared. Should it be static?
drivers/net/phy/bcm54140.c:684:5: warning:
symbol 'bcm54140_config_intr' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: ChenTao <chentao107@huawei.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the unsigned variable tmp is being checked for an negative
error return from the call to bcm_phy_read_rdb and this can never
be true since tmp is unsigned. Fix this by making tmp a plain int.
Addresses-Coverity: ("Unsigned compared against 0")
Fixes: 4406d36dfdf1 ("net: phy: bcm54140: add hwmon support")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Michael Walle <michael@walle.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PHY supports monitoring its die temperature as well as two analog
voltages. Add support for it.
Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Broadcom BCM54140 is a Quad SGMII/QSGMII Copper/Fiber Gigabit
Ethernet transceiver.
This also adds support for tunables to set and get downshift and
energy detect auto power-down.
The PHY has four ports and each port has its own PHY address.
There are per-port registers as well as global registers.
Unfortunately, the global registers can only be accessed by reading
and writing from/to the PHY address of the first port. Further,
there is no way to find out what port you actually are by just
reading the per-port registers. We therefore, have to scan the
bus on the PHY probe to determine the port and thus what address
we need to access the global registers.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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