Name
ata_timing_cycle2mode —
find xfer mode for the specified cycle duration
Synopsis
u8 ata_timing_cycle2mode ( | unsigned int xfer_shift, |
| | int cycle); |
Arguments
unsigned int xfer_shift
ATA_SHIFT_* value for transfer type to examine.
int cycle
cycle duration in ns
Description
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.
LOCKING:
None.
Return
Matching xfer_mode, 0xff if no match found.