Larry, wouldn't it work to do
mutex_lock();
...
if (!initialized) {
ssb_bus_powerup();
ssb_device_enable();
poll_the_bit;
ssb_device_disable();
ssb_bus_may_powerdown();
}
...
mutex_unlock();
That would be a _lot_ less heavyweight (at the order of 300 milliseconds less).
And from a power point of view, the PHY and Radio would stay turned off.
--
Greetings, Michael.
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