The new code is based on timestamps, rather than delays. This eliminates the
need to update every timer in timer_process(), which cost a non-trivial amount
of CPU time on low-end machines.
This involved changes to every user of the timer code, so this change almost
certainly introduces bugs.
- Fixed track handling in is_track_audio()
- ioctl_readtoc() First Track field returns first track in the TOC, not the first track specified by the command
- SCSI CD-ROM code now looks at correct cd_status variable
- SCSI CD-ROM now identifies as SCSI compliant
Fixes CD audio via QCD with Adaptec SCSI card + ASPI drivers.
