sata_set_spd(9) set SATA spd according to spd limit

SYNOPSIS

int sata_set_spd(struct ata_link * link);

ARGUMENTS

link

Link to set SATA spd for

DESCRIPTION

Set SATA spd of link according to sata_spd_limit.

LOCKING

Inherited from caller.

RETURNS

0 if spd doesn't need to be changed, 1 if spd has been changed. Negative errno if SCR registers are inaccessible.

AUTHOR

Jeff Garzik

Author.

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