John Baldwin e40cc6afc4 Add locking to the ahb(4) driver and mark it MPSAFE. ... - Use device_printf() and device_get_unit() instead of storing the unit number in the softc. - Remove use of explicit bus space handles and tags. - Compare pointers against NULL. - Let new-bus allocate a softc rather than doing it by hand. Tested by: no one		2012-10-15 16:05:02 +00:00
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ahb.c
ahbreg.h