other versions
- stretch 4.9.168-1
SATA_SCR_WRITE(9) | libata Library | SATA_SCR_WRITE(9) |
NAME¶
sata_scr_write - write SCR register of the specified portSYNOPSIS¶
int sata_scr_write(struct ata_link * link, int reg, u32 val);
ARGUMENTS¶
linkATA 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 GarzikAuthor.
COPYRIGHT¶
April 2019 | Kernel Hackers Manual 4.9. |