Name

sata_scr_read — read SCR register of the specified port

Synopsis

int sata_scr_read (struct ata_link * link,
 int reg,
 u32 * val);
 

Arguments

link

ATA link to read SCR for

reg

SCR to read

val

Place to store read value

Description

Read SCR register reg of link into *val. 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.