1ATA_TIMING_CYCLE2MOD(9)         libata Library         ATA_TIMING_CYCLE2MOD(9)
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NAME

6       ata_timing_cycle2mode - find xfer mode for the specified cycle duration
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SYNOPSIS

9       u8 ata_timing_cycle2mode(unsigned int xfer_shift, int cycle);
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ARGUMENTS

12       xfer_shift
13           ATA_SHIFT_* value for transfer type to examine.
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15       cycle
16           cycle duration in ns
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DESCRIPTION

19       Return matching xfer mode for cycle. The returned mode is of the
20       transfer type specified by xfer_shift. If cycle is too slow for
21       xfer_shift, 0xff is returned. If cycle is faster than the fastest known
22       mode, the fasted mode is returned.
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LOCKING

25       None.
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RETURNS

28       Matching xfer_mode, 0xff if no match found.
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AUTHOR

31       Jeff Garzik
32           Author.
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35Kernel Hackers Manual 2.6.       November 2011         ATA_TIMING_CYCLE2MOD(9)
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