ATA_TIMING_CYCLE2MOD(9) libata Library ATA_TIMING_CYCLE2MOD(9)NAMEata_timing_cycle2mode - find xfer mode for the specified cycle duration
u8 ata_timing_cycle2mode(unsigned int xfer_shift, int cycle);
ATA_SHIFT_* value for transfer type to examine.
cycle duration in ns
Return matching xfer mode for cycle. The returned mode is of the
transfer type specified by xfer_shift. If cycle is too slow for
xfer_shift, 0xff is returned. If cycle is faster than the fastest known
mode, the fasted mode is returned.
Matching xfer_mode, 0xff if no match found.
COPYRIGHTKernel Hackers Manual 3.8. June 2014 ATA_TIMING_CYCLE2MOD(9)