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Use '0' rather than PZERO to not change the priority that I'm waiting
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Use '0' rather than PZERO to not change the priority that I'm waiting
at. I don't think this will make a huge difference, but I have
received a report of a interrupt storm on one 16-bit card that this
might fix (chances are it won't, since I think that we may need to
check both the CBB registers for the 16-bit card as well as the PCIC
registers for power state change).

Submitted by: jhb@

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rS185740: Use atomic_add_int rather than a simple ++ to ensure no cache races if
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head/
sys/
dev/
pccbb/

rS185741

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head/sys/dev/pccbb/pccbb.c

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