ATA_TIMING_CYCLE2MOD(9) libata Library ATA_TIMING_CYCLE2MOD(9)
NAME
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.
RETURNS
Matching xfer_mode, 0xff if no match found.
AUTHOR
Jeff Garzik
Author.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 ATA_TIMING_CYCLE2MOD(9)
