On some platforms touching the bb registers when the phy is powered down will cause a fault.  Check the phy power state before possibly reading from the bb, this can happen as ar5212Reset intentionally calls ar5212GetRfgain before bringing the bb out of reset (but we do it here and not in the caller to guard against other possible uses).
On some platforms touching the bb registers when the phy is powered
down will cause a fault.  Check the phy power state before possibly
reading from the bb, this can happen as ar5212Reset intentionally
calls ar5212GetRfgain before bringing the bb out of reset (but we
do it here and not in the caller to guard against other possible uses).

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