net: Add eth_platform_get_mac_address() helper.

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A repeating pattern in drivers has become to use OF node information
and, if not found, platform specific host information to extract the
ethernet address for a given device.

Currently this is done with a call to of_get_mac_address() and then
some ifdef'd stuff for SPARC.

Consolidate this into a portable routine, and provide the
arch_get_platform_mac_address() weak function hook for all
architectures to implement if they want.

Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

David S. Miller 2015-11-05 11:34:57 -05:00

parent cdba756f58

commit c7f5d10549

3 changed files with 41 additions and 0 deletions

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7

arch/sparc/kernel/idprom.c

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3

include/linux/etherdevice.h

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31

net/ethernet/eth.c

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