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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.

RETURN

0 on success, negative errno on failure.

AUTHOR

Jeff Garzik
Author.

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.