John Baldwin 04dd49d0a2 Add locking to the bt(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. - Return an errno value from bt_eisa_attach() if an error occurs rather than -1. - Use BUS_PROBE_DEFAULT rather than 0. Tested by: no one		2012-10-15 16:13:55 +00:00
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bt_eisa.c
bt_isa.c
bt_mca.c
bt_pci.c
bt.c
btreg.h