cvs commit: src/sys/dev/fdc fdc_acpi.c
andre at freebsd.org
Thu Jul 29 02:21:19 PDT 2004
Nate Lawson wrote:
> njl 2004-07-28 22:35:41 UTC
> FreeBSD src repository
> Modified files:
> sys/dev/fdc fdc_acpi.c
> Fix ACPI floppy enumeration for three types of divergent behavior.
> * Some systems have _FDE and child floppy devices, but no _FDI. This seems
> to be compatible with the standard. Don't error out if there is no _FDI.
> Instead, continue on to the next device. The normal fd probe will take
> care of this device.
> * Some systems have _FDE but no child devices in AML. For these, add a
> second pass that compares the results of _FDE to the presence of devices.
> If not present, add the missing device.
> * Some BIOS authors didn't read the spec. They use tape drive values for
> all fdc(4) devices. Since this isn't grossly incompatible with the
> required boolean value, use them. They also define the _FDE items as a
> package instead of buffer. Regenerate the buffer from the package if it
> is present.
> Tested by: tjr, marcel
Is there any kind of feedback chain towards the BIOS authors so they might
fix it in the next release?
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