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c68534f1d5
command register. The lazy BAR allocation code in FreeBSD sometimes disables this bit when it detects a range conflict, and will re-enable it on demand when a driver allocates the BAR. Thus, the bit is no longer a reliable indication of capability, and should not be checked. This results in the elimination of a lot of code from drivers, and also gives the opportunity to simplify a lot of drivers to use a helper API to set the busmaster enable bit. This changes fixes some recent reports of disk controllers and their associated drives/enclosures disappearing during boot. Submitted by: jhb Reviewed by: jfv, marius, achadd, achim MFC after: 1 day |
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isa | ||
macio | ||
midi | ||
pci | ||
pcm | ||
sbus | ||
usb | ||
chip.h | ||
clone.c | ||
clone.h | ||
driver.c | ||
unit.c | ||
unit.h | ||
version.h |