Name
sata_scr_read —
read SCR register of the specified port
Synopsis
int sata_scr_read ( | struct ata_port * | ap, |
| | int | reg, |
| | u32 * | val); |
Arguments
ap
ATA port to read SCR for
reg
SCR to read
val
Place to store read value
Description
Read SCR register reg of ap into *val. This function is
guaranteed to succeed if the cable type of the port is SATA
and the port implements ->scr_read.
RETURNS
0 on success, negative errno on failure.