1SATA_DOWN_SPD_LIMIT(9)       libata Core Internals      SATA_DOWN_SPD_LIMIT(9)
2
3
4

NAME

6       sata_down_spd_limit - adjust SATA spd limit downward
7

SYNOPSIS

9       int sata_down_spd_limit(struct ata_link * link, u32 spd_limit);
10

ARGUMENTS

12       link
13           Link to adjust SATA spd limit for
14
15       spd_limit
16           Additional limit
17

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.
21
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.
25

LOCKING

27       Inherited from caller.
28

RETURNS

30       0 on success, negative errno on failure
31

AUTHOR

33       Jeff Garzik
34           Author.
35

37Kernel Hackers Manual 2.6.       November 2011          SATA_DOWN_SPD_LIMIT(9)
Impressum