ata_timing_cycle2mode (9) Linux Manual Page
ata_timing_cycle2mode – find xfer mode for the specified cycle duration
Synopsis
- u8 ata_timing_cycle2mode(unsigned int
xfer_shift, int cycle);
Arguments
xfer_shift
-
- ATA_SHIFT_* value for transfer type to examine.
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.
Author
Jeff Garzik
- Author.