ibm_newemac: Skip EMACs that are marked unused by the firmware

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Depending on how the 44x processors are wired, some EMAC cells
might not be useable (and not connected to a PHY). However, some
device-trees may choose to still expose them (since their registers
are present in the MMIO space) but with an "unused" property in them.

Signed-off-by: Hugh Blemings <hugh@blemings.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

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Hugh Blemings 2007-12-05 11:14:30 +11:00 • committed by Jeff Garzik

parent bff713b562

commit 3d722562d7

1 changed files with 4 additions and 0 deletions

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drivers/net/ibm_newemac/core.c

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