sata_down_spd_limit (9) Linux Manual Page
sata_down_spd_limit – adjust SATA spd limit downward
Synopsis
int sata_down_spd_limit(struct ata_link *link, u32 spd_limit);Arguments
link
-
- Link to adjust SATA spd limit for
spd_limit
- Additional limit
Description
Adjust SATA spd limit of link downward. Note that this function only adjusts the limit. The change must be applied using sata_set_spd.
If spd_limit is non-zero, the speed is limited to equal to or lower than spd_limit if such speed is supported. If spd_limit is slower than any supported speed, only the lowest supported speed is allowed.
LOCKING: Inherited from caller.
Return
0 on success, negative errno on failure
Author
Jeff Garzik
- Author.