ata_xfer_mode2shift(9)
NAME
ata_xfer_mode2shift - Find matching xfer_shift for XFER_*
SYNOPSIS
int ata_xfer_mode2shift(unsigned long xfer_mode);
ARGUMENTS
- xfer_mode
- XFER_* of interest
DESCRIPTION
Return matching xfer_shift for xfer_mode.
LOCKING
None.
RETURNS
Matching xfer_shift, -1 if no match found.
AUTHOR
- Jeff Garzik
- Author.