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58 commits

Author SHA1 Message Date
Russell King
9962acf7fb sfp: add support for 1000Base-PX and 1000Base-BX10
Add support for decoding the transceiver information for 1000Base-PX and
1000Base-BX10.  These use 1000BASE-X protocol.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-02 21:45:32 -05:00
Russell King
3fa7d19abe sfp: don't guess support from connector type
Don't try to guess the support mask from the connector type - this is
mostly irrelevant to the speeds that the transceiver supports.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-02 21:45:32 -05:00
Russell King
0b2122e493 sfp: fix sfp-bus oops when removing socket/upstream
When we remove a socket or upstream, and the other side isn't
registered, we dereference a NULL pointer, causing a kernel oops.
Fix this.

Fixes: ce0aa27ff3 ("sfp: add sfp-bus to bridge between network devices and sfp cages")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-02 13:40:28 -05:00
Russell King
c19bb00070 sfp: convert to fwnode
Convert sfp-bus to use fwnode rather than device_node internally, so
we can support more than just device tree firmware.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-05 11:16:19 -05:00
Russell King
b6e67d6d46 sfp: fix sparse warning
drivers/net/phy/sfp-bus.c:298:13: warning: context imbalance in 'sfp_bus_release' - wrong count at exit

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-05 11:16:19 -05:00
Russell King
0a6fcd3fc1 sfp: add documentation for kernel APIs
Add kernel-doc documentation for sfp kernel APIs, and link it into the
networking kapi documentation under "Network device support".

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-05 11:16:19 -05:00
Florian Fainelli
516b29edc3 net: phy: Cosmetic fixes to phylink/sfp/sfp-bus.c
Perform a number of stylistic changes to phylink.c, sfp.c and sfp-bus.c:

- align with netdev-style comments
- align function arguments to the opening parenthesis
- remove blank lines
- fixup a few lines over 80 columns

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-01 21:15:09 +09:00
Russell King
ce0aa27ff3 sfp: add sfp-bus to bridge between network devices and sfp cages
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-06 20:55:29 -07:00