SATA_SCR_WRITE(9) libata Library SATA_SCR_WRITE(9)
NAME
sata_scr_write - write SCR register of the specified port
SYNOPSIS
int sata_scr_write(struct ata_link * link, int reg, u32 val);
ARGUMENTS
link
ATA link to write SCR for
reg
SCR to write
val
value to write
DESCRIPTION
Write val to SCR register reg of link. This function is guaranteed to succeed if link is ap->link, the cable type of the port is SATA and
the port implements ->scr_read.
LOCKING
None if link is ap->link. Kernel thread context otherwise.
RETURNS
0 on success, negative errno on failure.
AUTHOR
Jeff Garzik
Author.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 SATA_SCR_WRITE(9)
