1SATA_DOWN_SPD_LIMIT(9)       libata Core Internals      SATA_DOWN_SPD_LIMIT(9)
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NAME

6       sata_down_spd_limit - adjust SATA spd limit downward
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SYNOPSIS

9       int sata_down_spd_limit(struct ata_link * link, u32 spd_limit);
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ARGUMENTS

12       link
13           Link to adjust SATA spd limit for
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15       spd_limit
16           Additional limit
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DESCRIPTION

19       Adjust SATA spd limit of link downward. Note that this function only
20       adjusts the limit. The change must be applied using sata_set_spd.
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22       If spd_limit is non-zero, the speed is limited to equal to or lower
23       than spd_limit if such speed is supported. If spd_limit is slower than
24       any supported speed, only the lowest supported speed is allowed.
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LOCKING

27       Inherited from caller.
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RETURNS

30       0 on success, negative errno on failure
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AUTHOR

33       Jeff Garzik
34           Author.
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37Kernel Hackers Manual 3.10         June 2019            SATA_DOWN_SPD_LIMIT(9)
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